{"title":"CO2 Equipment - Parts and Accessories","description":"","products":[{"product_id":"milwaukee-instruments-ph-probe-double-junction","title":"Milwaukee Instruments pH Probe - Double Junction","description":"\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eDESCRIPTION\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe MA911B\/2 probe is lab grade, gel-filled pH probe for use with Milwaukee Monitors and Controllers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eDESIGN FEATURES\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eTop features include:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eDOUBLE JUNCTION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe double junction junction design reduces the risk of clogging.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSPHERICAL GLASS TIP\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe sperical glass tip provide the largest possible surface area for faster results.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eRESIN BODY\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe resin body is tough to withstand accidental knocks and also protects the glass sensing bulb.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eEXTENDED CABLE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eOffers a 6.6 feet cable for increased flexibility in measuring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eUSE AND CARE\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSENSING BULB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eREFERENCE JUNCTION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH probe will no longer function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSTORAGE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eStoring in pH probe storage solution or pH calibration buffers will help address both these issues. Do not store in tap water and DI water. This will damage the sensitivity of the probe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe best way to store the probe is with the probe's cap filled with storage solution or calibiration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eCLEANING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eResidue from the sample can impact the sensitivity of the sensing bulb and block the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eCALIBRATION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO pH meter accurate. Also, calibrate after cleaning or a long period of storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eSPECIFICATIONS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eBody: Resin\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eReference: Single, Ag\/AgCl\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eJunction: Ceramic, single\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eElectrolyte: Gel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eRange: 0-14 pH\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eTip Shape: Sphere\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eDiameter: 0.5 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eDimensions: 4.7 inches \/ 6.4 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eOperating Temperature: -5 to 70°C (23 to 158°F)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eCable length: 6.6 feet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eConnection: BNC\u003c\/span\u003e\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":42444219941100,"sku":"MA 911B\/2","price":42.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/ma911__05914.1608148452.jpg?v=1645114946"},{"product_id":"milwaukee-instruments-ph-controller","title":"Milwaukee Instruments pH Controller","description":"\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eAccurate and Reliable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eSimple and Easy Installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003ePerfect for use in CO2 Setups and Calcium Reactors\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eACCURATE. SIMPLE. RELIABLE. 24\/7 PH CONTROL.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe Milwaukee MC122 PRO pH controller lets you measure and adjust pH levels automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eWHAT PEOPLE ARE SAYING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e\"I run this unit 24\/7 and have not had any problems for the past two months. It keeps my fish tank CO2 injector running perfectly and puts my mind at ease regarding overdosing.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e\"I've been using this controller for two years to monitor and adjust pH of hydroponic nutrient solutions. Still using the original probe and it rarely needs calibration.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e\"Using this as a pH controller for a calcium reactor on a 105 gallon reef tank ... I recommend this to any serious reefer.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSUMMARY\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe MC122 controller automatically monitors and fine-tunes the pH levels. Just set your pH parameters and let the Milwaukee pH Controller do the rest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe Milwaukee PRO pH controller is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels. Common uses are nutrient tanks and aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe Milwaukee PRO pH controller offers:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eACCURACY\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe Milwaukee PRO pH controller offers an accuracy to ± 0.2 pH with two point manual calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eAUTOMATION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe controller provides a control range of 5.5 to 9.5 pH with alarms that activate when readings are higher or lower than set point.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eCOMPATIBLE DOSING PUMP\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eMilwaukee offers the MP810 dosing pump\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eEASY INSTALLATION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe pH Controller comes with a complete mounting kit including a probe holder.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eDESIGN FEATURES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eFast easy to read current results with large digital LCD readout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eAccurate to ±0.2 pH (0.0 pH to 14.0 pH) with the user selectable high\/low set points\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eSimple two-point calibration for increased accuracy with manual trimmers for easy adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eGel-filled, double junction lab grade pH electrode for low maintenance and high performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e6.5 feet probe cables for extra flexibility when testing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e12 VDC power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eUSE AND CARE \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSENSING BULB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eREFERENCE JUNCTION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH probe will no longer function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSTORAGE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eStoring in a pH probe storage solution or pH calibration buffers will help address both these issues. Do not store it in tap water and DI water. This will damage the sensitivity of the probe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe best way to store the probe is with the probe's cap filled with a storage solution for calibration buffer and the cap tightened to prevent leakage. It is also recommended to store the electrode upright to further reduce the potential for leakage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eCLEANING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in a cleaning solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eCALIBRATION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO pH controller accurate. Also, calibrate after cleaning or a long period of storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eRange: 0.0 - 14.0 pH\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eResolution: 0.1 pH\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eAccuracy: ±0.2 pH\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eSet point: 5.5 to 9.5 pH\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eCalibration: Manual 2 points\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eAlarm Active when reading is higher or lower than set point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eDosing Contact: 1 power plug for CO2 dosing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003epH electrode: MA911B\/2 (included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 95%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003ePower Supply: 12 VDC adapter (included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003ePower Drivers: 115 VAC, 2A, 60Hz or 230 VAC, 1A, 50Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eMounting kit (Included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eDimensions: 5.9 x 3.2 x 1.35 inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400; font-size: 14px;\"\u003eWeight: 6.3 ounces (meter only)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":42444220334316,"sku":"MC 122","price":157.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/mc122__12456.1608145741.jpg?v=1645114957"},{"product_id":"sr-aquaristik-co2-drop-checker-4-dkh-solution","title":"SR Aquaristik CO2 Drop Checker 4 DKH Solution","description":"\u003cp\u003eSR Aquaristik drop checker solution is Ideal for use with the SR Aquaristik drop checker, drop checker solution helps maintain optimum CO2 levels in planted aquariums.\u003c\/p\u003e\n\u003cp\u003e- Blue Color - Indicates low levels of CO2 in the aquarium, slowly increase the level of CO2\u003c\/p\u003e\n\u003cp\u003e- Green Color - Indicates optimum levels of CO2 in the aquarium, no action required\u003c\/p\u003e\n\u003cp\u003e- Yellow Color - Indicates a high level of CO2 in the aquarium, reduce CO2 levels immediately\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCalibrated to 4dKH\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNo mixing required\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003elab tested and guaranteed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444226724076,"sku":"SRA 6476","price":3.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_0690_label_1.jpg?v=1645115102"},{"product_id":"sr-aquaristik-co2-drop-checker-with-4-dkh-solution","title":"SR Aquaristik CO2 Drop Checker CO2 Monitoring Kit","description":"\u003cp\u003eSR Aquaristik Drop Checker CO2 Monitoring Kit comes complete with drop checker, 4 DKH solution and two position suction cup. Quality glass construction and minimalistic design makes this drop checker easily integrated into almost any aquarium.\u003c\/p\u003e\n\u003cp\u003e- Blue Color - Indicates low levels of CO2 in the aquarium, slowly increase the level of CO2\u003c\/p\u003e\n\u003cp\u003e- Green Color - Indicates optimum levels of CO2 in the aquarium, no action required\u003c\/p\u003e\n\u003cp\u003e- Yellow Color - Indicates a high level of CO2 in the aquarium, reduce CO2 levels immediately\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes two position suction cup\u003c\/li\u003e\n\u003cli\u003eComes complete with 4dKH drop checker solution\u003c\/li\u003e\n\u003cli\u003eModern minimalistic design\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444226789612,"sku":"SRA 6473","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_0688_label.jpg?v=1645115106"},{"product_id":"sr-aquaristik-in-line-check-valve-for-co2","title":"SR Aquaristik In-line Check Valve for CO2","description":"\u003cp\u003eThe \u003cstrong\u003eSR Aquaristik In-Line Check Valve\u003c\/strong\u003e is ideal for use with CO2 systems or air pumps, to prevent back-siphoning of aquarium water into the pump or regulator. Fits standard 4\/6 mm airline or CO2-resistant tubing.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMade from quality stainless steel\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCan withstand extremely high pressure\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProvides extra protection against back-siphoning\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444227182828,"sku":"SRA 6474","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_9914_1500x1500_e5ecdf3d-2a0a-4f77-9329-ba8790e587cf.jpg?v=1645115111"},{"product_id":"sr-aquariustik-glass-u-tube","title":"SR Aquaristik Glass U Tube for Aquarium CO2 Tubing","description":"\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003eFits standard CO2 and Airline Tubing\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMade from glass\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal for making the transition from the outside to the inside of the aquarium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SR Aquaristik Glass U Tube is ideal for making the transition from the outside of the aquarium to the inside with traditional CO2 or airline that will normally kink when going over the edge of an aquarium.\u003c\/p\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444227281132,"sku":"SRA 6475","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_9918_1500x1500_05ac82ce-266c-4f6a-9461-db554b9dd357.jpg?v=1645115115"},{"product_id":"sr-aquaristik-inline-co2-diffuser","title":"SR Aquaristik In-Line CO2 Diffuser","description":"\u003cp\u003eThe \u003cstrong\u003eSR Aquaristik In-Line CO2 Diffuser\u003c\/strong\u003e is ideal for using with canister filters, to reduce the unsightly look of traditional ceramic diffusers inside the aquarium. The internal ceramic diffuser atomizes CO2 into water returning from the canister filter back into the aquarium. Ideal for use with canister filters with tubing from 16\/22mm or 5\/8” hose.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncorporates easily into canister filter tubing\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMade from durable ABS plastic\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFits canister filter tubing from 16-22mm or 5\/8” Hose\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444227805420,"sku":"SRA 6472","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_9927_1500x1500_d1da184d-7cb0-4439-bad0-e4a380882636.jpg?v=1645115119"},{"product_id":"sr-aquaristik-co2-diffuser","title":"SR Aquaristik CO2 Diffuser","description":"\u003cspan data-mce-fragment=\"1\"\u003e• Creates an extremely fine mist\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Simple elegant design\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Compact size\u003c\/span\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444238618860,"sku":"SRA 6093","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/60931.jpg?v=1654201149"},{"product_id":"sr-aquaristik-co2-expansion-module","title":"SR Aquaristik CO2 Regulator Expansion Module","description":"\u003cp\u003eThe SR Aquaristik CO2 Expansion Module is ideal for hobbyists who want to run more than one aquarium with one regulator. This simple to install independent control makes it quick and easy to expand your new or existing regulator.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes a bubble counter and needle valve\u003c\/li\u003e\n\u003cli\u003eFor use with single and dual stage regulators\u003c\/li\u003e\n\u003cli\u003eEasy to install\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444240945388,"sku":"SRA 0739","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/0739.jpg?v=1645115303"},{"product_id":"aquarium-co2-bubble-counter-screw-on","title":"SR Aquaristik  CO2 Bubble Counter (Screw On)","description":"\u003cp\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR Aquaristik screw on CO2 bubble counter is ideal for helping regulate or see the amount of CO2 exiting regulators, solenoid valves or splitters. Made from aluminum and cast acrylic for durability and longevity.\u003c\/p\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444273090796,"sku":"SRA 0767","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/0767_co2bubblecounterscrew_img2-500_grande_1265ea50-7e92-4a26-9f7e-a278b34b2e21.jpg?v=1645116004"},{"product_id":"aquarium-co2-bubble-counter-inline","title":"SR Aquaristik CO2 Bubble Counter (In Line)","description":"\u003cp\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR Aquaristik in line CO2 bubble counter is ideal for helping regulate or see the amount of CO2 exiting regulators, solenoid valves or splitters. Made from aluminum and cast acrylic for durability and longevity.\u003c\/p\u003e","brand":"SR Aquaristik","offers":[{"title":"Default Title","offer_id":42444273156332,"sku":"SRA 0766","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/0766_co2bubblecounterinline_img2-500_grande_ef383c82-9e79-4c82-a52a-e896f7087e2c.jpg?v=1645116007"},{"product_id":"sr-aquaristik-co2-resistant-tubing-3","title":"SR Aquaristik CO2 Resistant Tubing","description":"\u003cp\u003eSR Aquaristik CO2 resistant tubing is made specifically for use with aquarium Co2 systems and is quite different from traditional airline tubing, it reduces the amount of CO2 loss through permeation and is also safe and is safe when used at higher pressures.\u003c\/p\u003e","brand":"SR Aquaristik","offers":[{"title":"25ft - SRA 3136","offer_id":42601908207852,"sku":"SRA 3136","price":5.99,"currency_code":"USD","in_stock":true},{"title":"100ft - SRA 3135","offer_id":42601908240620,"sku":"SRA 3135","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/img_8399_1.jpg?v=1648743853"},{"product_id":"milwaukee-instruments-ph-4-01-calibration-solution","title":"Milwaukee Instruments pH 4.01 Calibration Solution","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003epH 4.01 Calibration Buffer Solution (230 mL)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSealed against light with air tight, tamper proof cap\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal for fast calibration\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimply open, pour into a beaker or container and insert the tester or electrode to start the calibration process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eProbe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. Calibration should be performed at least once a month.\u003c\/p\u003e\n\u003cp\u003eMA9004 is a lab grade pH 4.01 buffer solution certified to meet the standard to an accuracy of ±0.01 pH removing the inaccuracies involved with mixing buffers.\u003c\/p\u003e\n\u003cp\u003eMilwaukee solutions are designed to help you achieve reliable and repeatable pH measurements while extending the life of your electrode.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003eAccuracy: Standard ±0.01 pH\u003cbr\u003epH Value: @25°C 4.01\u003cbr\u003ePackage: Bottles - size 230 mL\u003cbr\u003eQuantity: 1\u003cbr\u003eCertificate of Analysis: No\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":42767967682796,"sku":"MA 9004","price":12.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/Milwaukee4.01Solution.jpg?v=1652287975"},{"product_id":"copy-of-milwaukee-instruments-ph-7-01-calibration-solution","title":"Milwaukee Instruments pH 7.01 Calibration Solution","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003epH 7.01 Calibration Buffer Solution (230 mL)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSealed against light with air tight, tamper proof cap\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal for fast calibration\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimply open, pour into a beaker or container and insert the tester or electrode to start the calibration process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eProbe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. 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