{"title":"Red Flint","description":"","products":[{"product_id":"red-flint-gravel-3-8-x-3-16-0-5cuft","title":"Red Flint Gravel (4.8-9.5 mm \/ 3\/8” x 3\/16\") - 50lb Bag","description":"\u003cp\u003eRed Flint sand substrate is naturally occurring in the rivers and streams in nature. This enables familiar environments where sand is needed with your fish species that are not accustom to fast moving rivers that might include larger stones. Sand also closes the space between the particles more-so limiting the debris buildup that inevitably leads to breaking down organics over time which increases nitrates and phosphate and can lower water quality. When debris is on top of the substrate its easy to remove and less time in cleaning.\u003c\/p\u003e\n\u003cp\u003eNorth America's Best Aquarium Substrate\u003c\/p\u003e\n\u003cp\u003eRed Flint Aquarium Substrate Product line and our Filtration Sands \u0026amp; Gravels have been key material components in large aquariums and zoo’s in North America and Globally. Our unique physical properties including very low acid solubility and naturally clean particles create the perfect solution to your substrate and filtration needs.\u003c\/p\u003e\n\u003cp\u003eWhether your project is a small in home aquarium or a large commercial display at a zoo, Red Flint has your needs covered in substrate and filtration material! Extracted from a clean glacial and alluvial sand deposits, Red Flint Sand \u0026amp; Gravel’s physical properties make it among the finest Sand Medias available in the world for aquarium substrate as well as critical zoo and commercial aquarium applications.\u003c\/p\u003e\n\u003cp\u003eRed Flint - The Very Best in Aquarium Substrate - Performing Above and Beyond for over 100 years: Naturally Clean - P 200 \u0026lt;1%\u003c\/p\u003e\n\u003cp\u003eSo clean it will save you time — most competing brands and substitutes big box store pool sand will be lower quality sand requiring you substantial wash cycles prior to use Washed and graded to the same high standards as the potable water industry Naturally cleaned as an alluvial deposit then washed again by our manufacturing processes.\u003c\/p\u003e\n\u003cp\u003eIndustry Leading low acid solubility \u0026lt;1% Means its inert, will eliminate or minimize imparting ph changes, hardness or other unwanted effects to your water Highly uniform particles sizes \u0026lt;1.3 Uniformity Means voids between particles are optimized for minimizing movement of unused food, waste and organics to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eSub-angular shape Smooth edges protect fish and serve to ensure better entrapment of waste, unused food, and fish waste to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eCompletely Natural. 100% natural. Environmentally-friendly. Non-toxic. No artificial coatings. Same great look.\u003c\/p\u003e\n\u003cp\u003eLayer Your aquarium Environment\u003c\/p\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003cp\u003ereate a highly efficient and beautiful biological filter using layers of different size gravel!\u003c\/p\u003e\n\u003cp\u003eFirst lay coarse particles onto your undergravel filter tray for protection, then layer finer gravels to sand to have the best of both worlds. See diagram below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e\u003ca class=\"et_pb_lightbox_image\" title=\"\" href=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\"\u003e\u003cspan class=\"et_pb_image_wrap\"\u003e\u003cimg class=\"wp-image-4036\" title=\"UndergravelFiltrationSystem_1400_FINAL\" src=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1400px, 100vw\" srcset=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png 1400w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-1280x633.png 1280w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-980x484.png 980w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-480x237.png 480w\" alt=\"\" width=\"519\" height=\"256\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Red Flint","offers":[{"title":"Default Title","offer_id":42444238553324,"sku":"RF AA23050","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/IMG_4725.jpg?v=1659991616"},{"product_id":"red-flint-sand","title":"Red Flint Sand (0.6 -0.65mm)","description":"\u003cp\u003eRed Flint sand substrate is naturally occurring in the rivers and streams in nature. This enables familiar environments where sand is needed with your fish species that are not accustom to fast moving rivers that might include larger stones. Sand also closes the space between the particles more-so limiting the debris buildup that inevitably leads to breaking down organics over time which increases nitrates and phosphate and can lower water quality. When debris is on top of the substrate its easy to remove and less time in cleaning.\u003c\/p\u003e\n\u003cp\u003eNorth America's Best Aquarium Substrate\u003c\/p\u003e\n\u003cp\u003eRed Flint Aquarium Substrate Product line and our Filtration Sands \u0026amp; Gravels have been key material components in large aquariums and zoo’s in North America and Globally. Our unique physical properties including very low acid solubility and naturally clean particles create the perfect solution to your substrate and filtration needs.\u003c\/p\u003e\n\u003cp\u003eWhether your project is a small in home aquarium or a large commercial display at a zoo, Red Flint has your needs covered in substrate and filtration material! Extracted from a clean glacial and alluvial sand deposits, Red Flint Sand \u0026amp; Gravel’s physical properties make it among the finest Sand Medias available in the world for aquarium substrate as well as critical zoo and commercial aquarium applications.\u003c\/p\u003e\n\u003cp\u003eRed Flint - The Very Best in Aquarium Substrate - Performing Above and Beyond for over 100 years: Naturally Clean - P 200 \u0026lt;1%\u003c\/p\u003e\n\u003cp\u003eSo clean it will save you time — most competing brands and substitutes big box store pool sand will be lower quality sand requiring you substantial wash cycles prior to use Washed and graded to the same high standards as the potable water industry Naturally cleaned as an alluvial deposit then washed again by our manufacturing processes.\u003c\/p\u003e\n\u003cp\u003eIndustry Leading low acid solubility \u0026lt;1% Means its inert, will eliminate or minimize imparting ph changes, hardness or other unwanted effects to your water Highly uniform particles sizes \u0026lt;1.3 Uniformity Means voids between particles are optimized for minimizing movement of unused food, waste and organics to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eSub-angular shape Smooth edges protect fish and serve to ensure better entrapment of waste, unused food, and fish waste to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eCompletely Natural. 100% natural. Environmentally-friendly. Non-toxic. No artificial coatings. Same great look.\u003c\/p\u003e\n\u003cp\u003eLayer Your aquarium Environment\u003c\/p\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003cp\u003ereate a highly efficient and beautiful biological filter using layers of different size gravel!\u003c\/p\u003e\n\u003cp\u003eFirst lay coarse particles onto your undergravel filter tray for protection, then layer finer gravels to sand to have the best of both worlds. See diagram below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e\u003ca class=\"et_pb_lightbox_image\" title=\"\" href=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\"\u003e\u003cspan class=\"et_pb_image_wrap\"\u003e\u003cimg class=\"wp-image-4036\" title=\"UndergravelFiltrationSystem_1400_FINAL\" src=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1400px, 100vw\" srcset=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png 1400w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-1280x633.png 1280w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-980x484.png 980w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-480x237.png 480w\" alt=\"\" width=\"519\" height=\"256\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e \u003c\/div\u003e\n\u003cp\u003eColor: Light brown to light red\u003cbr\u003eSize: 0.45 – 0.55 millimeters\u003cbr\u003eAcid Solubility: \u0026lt;1.0%\u003cbr\u003eSpecific Gravity: 2.67\u003cbr\u003eDensity: 100 lbs per cubic foot\u003cbr\u003eHardness: 6.0 – 8.0 on MOH scale\u003cbr\u003eUC (D 60): 1.30 – \u0026lt;1.65\u003cbr\u003eNSF\/ANSI Standard 61 certified\u003cbr\u003eAWWA standard B100-16\u003c\/p\u003e","brand":"Red Flint","offers":[{"title":"25 lb Bag \/ 0.25 cuft - RF AB35090","offer_id":42734493139180,"sku":"RF AB35090","price":18.98,"currency_code":"USD","in_stock":false},{"title":"50 lb Bag \/ 0.5 cuft - RF AB35051","offer_id":42734493171948,"sku":"RF AB35051","price":24.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/redflintsand.jpg?v=1659043145"},{"product_id":"red-flint-gravel-1-65-2mm-25lb-bag","title":"Red Flint Gravel (1.65 - 2mm)","description":"\u003cp\u003eRed Flint sand substrate is naturally occurring in the rivers and streams in nature. This enables familiar environments where sand is needed with your fish species that are not accustom to fast moving rivers that might include larger stones. Sand also closes the space between the particles more-so limiting the debris buildup that inevitably leads to breaking down organics over time which increases nitrates and phosphate and can lower water quality. When debris is on top of the substrate its easy to remove and less time in cleaning.\u003c\/p\u003e\n\u003cp\u003eNorth America's Best Aquarium Substrate\u003c\/p\u003e\n\u003cp\u003eRed Flint Aquarium Substrate Product line and our Filtration Sands \u0026amp; Gravels have been key material components in large aquariums and zoo’s in North America and Globally. Our unique physical properties including very low acid solubility and naturally clean particles create the perfect solution to your substrate and filtration needs.\u003c\/p\u003e\n\u003cp\u003eWhether your project is a small in home aquarium or a large commercial display at a zoo, Red Flint has your needs covered in substrate and filtration material! Extracted from a clean glacial and alluvial sand deposits, Red Flint Sand \u0026amp; Gravel’s physical properties make it among the finest Sand Medias available in the world for aquarium substrate as well as critical zoo and commercial aquarium applications.\u003c\/p\u003e\n\u003cp\u003eRed Flint - The Very Best in Aquarium Substrate - Performing Above and Beyond for over 100 years: Naturally Clean - P 200 \u0026lt;1%\u003c\/p\u003e\n\u003cp\u003eSo clean it will save you time — most competing brands and substitutes big box store pool sand will be lower quality sand requiring you substantial wash cycles prior to use Washed and graded to the same high standards as the potable water industry Naturally cleaned as an alluvial deposit then washed again by our manufacturing processes.\u003c\/p\u003e\n\u003cp\u003eIndustry Leading low acid solubility \u0026lt;1% Means its inert, will eliminate or minimize imparting ph changes, hardness or other unwanted effects to your water Highly uniform particles sizes \u0026lt;1.3 Uniformity Means voids between particles are optimized for minimizing movement of unused food, waste and organics to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eSub-angular shape Smooth edges protect fish and serve to ensure better entrapment of waste, unused food, and fish waste to the bottom of the tank.\u003c\/p\u003e\n\u003cp\u003eCompletely Natural. 100% natural. Environmentally-friendly. Non-toxic. No artificial coatings. Same great look.\u003c\/p\u003e\n\u003cp\u003eLayer Your aquarium Environment\u003c\/p\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003cp\u003ereate a highly efficient and beautiful biological filter using layers of different size gravel!\u003c\/p\u003e\n\u003cp\u003eFirst lay coarse particles onto your undergravel filter tray for protection, then layer finer gravels to sand to have the best of both worlds. See diagram below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e\u003ca class=\"et_pb_lightbox_image\" title=\"\" href=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\"\u003e\u003cspan class=\"et_pb_image_wrap\"\u003e\u003cimg class=\"wp-image-4036\" title=\"UndergravelFiltrationSystem_1400_FINAL\" src=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1400px, 100vw\" srcset=\"https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL.png 1400w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-1280x633.png 1280w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-980x484.png 980w, https:\/\/www.redflint.com\/wp-content\/uploads\/2021\/01\/UndergravelFiltrationSystem_1400_FINAL-480x237.png 480w\" alt=\"\" width=\"519\" height=\"256\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0 et_pb_has_overlay\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Red Flint","offers":[{"title":"25 lb Bag \/ 0.25 cuft","offer_id":42838162178284,"sku":"RF AB24090","price":16.98,"currency_code":"USD","in_stock":true},{"title":"100 lb Bag \/ 1.0 cuft","offer_id":42838162211052,"sku":"RF AB24040","price":32.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6443\/4156\/products\/IMG_4726.jpg?v=1659991771"}],"url":"https:\/\/aquanexus.myshopify.com\/collections\/red-flint.oembed","provider":"Aquanexus OLD","version":"1.0","type":"link"}