{"product_id":"aquanatural-midnight-pearl-bio-substrate-5lb-for-aquariums-gravel-seeded-start-up-bio-active-nitrifying-bacteria-2-4mm-brown-black-gold-small-biofresh003-pack-of-2-size-small-pack-of-2","title":"AquaNatural Midnight Pearl Bio-Substrate 5lb for Aquariums, Gravel seeded Start up bio Active nitrifying Bacteria 2-4mm, Brown, Black, Gold, Small (BIOFRESH003) (Pack of 2) - size: Small (Pack of 2)","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe information below is per-pack only\u003c\/li\u003e\n\u003cli\u003eBio-Active Live Bacteria: Seeded with bio active live nitrifying bacteria to establish beneficial colonies in your aquarium\u003c\/li\u003e\n\u003cli\u003ePure Natural Material: Made from 100% pure natural gravel that is sustainably sourced, triple washed and kiln dried\u003c\/li\u003e\n\u003cli\u003eVersatile Application: Use as a primary substrate or mix with Midnight Pearl substrate for enhanced biological filtration\u003c\/li\u003e\n\u003cli\u003eInstant Cycling Technology: Cycles aquarium instantly with patented blend of live nitrosomonas and nitrobacter bacteria that convert harmful ammonia into nitrates\u003c\/li\u003e\n\u003cli\u003eOptimal Grain Size: Features 2-4mm gravel particles providing large surface areas for beneficial bacteria colonies and easy maintenance\u003c\/li\u003e\n\u003cli\u003eNatural Color Palette: Available in attractive brown, black, and gold tones that create natural beauty in any aquarium setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions ‏:\u003c\/strong\u003e ‎ 9.45 x 3.15 x 5.51 inches; 9.96 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem model number ‏:\u003c\/strong\u003e ‎ BIOFRESH003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDate First Available ‏:\u003c\/strong\u003e ‎ January 23, 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer ‏:\u003c\/strong\u003e ‎ Pisces USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN ‏:\u003c\/strong\u003e ‎ B0C8TYRZ89\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Sellers Rank:\u003c\/strong\u003e #107,555 in Pet Supplies (See Top 100 in Pet Supplies)\n#156 in Aquarium Gravel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Reviews:\u003c\/strong\u003e 4.9 \n4.9 out of 5 stars\n   (30)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Aqua Natural","offers":[{"title":"Default Title","offer_id":46247698563106,"sku":"B0C8TYRZ89-size-small-pack-of-2","price":42.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/4884\/1250\/files\/514XFkW-YbL.jpg?v=1785924862","url":"https:\/\/reptomate.com\/products\/aquanatural-midnight-pearl-bio-substrate-5lb-for-aquariums-gravel-seeded-start-up-bio-active-nitrifying-bacteria-2-4mm-brown-black-gold-small-biofresh003-pack-of-2-size-small-pack-of-2","provider":"ReptoMate","version":"1.0","type":"link"}