{"product_id":"aqua-preta-complete-soil-medium","title":"🌿 Aqua Preta Complete Soil Medium For 20L–35 Gallon Aquariums | Natural Substrate System","description":"\u003cp\u003e🌿 Bring the Father Fish method to small and mid-size tanks with \u003cstrong\u003eAqua Preta Complete Soil – Medium\u003c\/strong\u003e, portioned for \u003cstrong\u003e20 Long–35 gallon\u003c\/strong\u003e aquariums. This bag includes the \u003cstrong\u003eFather Fish Supplement\u003c\/strong\u003e and creates a balanced, microbially active base that feeds roots for years—no bottled fertilizers, no CO2.\u003c\/p\u003e\n\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Aqua Preta advantage—natural, long-term fertility inspired by Amazon black soils\u003c\/li\u003e\n\u003cli\u003e✅ Complete base—soil + supplement for a self-sustaining root zone\u003c\/li\u003e\n\u003cli\u003e✅ Sized right for 20–35 gal tanks (20 Long footprint and up)\u003c\/li\u003e\n\u003cli\u003e✅ Safe for fish, shrimp, snails, and plants\u003c\/li\u003e\n\u003cli\u003e✅ Low-tech friendly—stable, deep-substrate foundations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSpread about \u003cstrong\u003e1 inch of soil\u003c\/strong\u003e across the tank bottom.\u003c\/li\u003e\n\u003cli\u003eCap with \u003cstrong\u003e~2 inches of pool filter sand\u003c\/strong\u003e (do not rinse the soil).\u003c\/li\u003e\n\u003cli\u003ePlant heavily on day one—stems, swords, crypts; mount rhizomes (Anubias) on wood\/rock.\u003c\/li\u003e\n\u003cli\u003eFill slowly, run a sponge filter, and avoid disturbing the cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eTips:\u003c\/em\u003e For tanks slightly larger than 35 gal, add a cup of plain peat or potting soil if coverage is under 1 inch and mix well. For very small tanks, use less than 1 inch of soil.\u003c\/p\u003e\n\u003ch2\u003eWhat's included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e• Aqua Preta Complete Soil (medium bag)\u003c\/li\u003e\n\u003cli\u003e• \u003cstrong\u003eFather Fish Supplement\u003c\/strong\u003e pre-included \/ matched for this size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFather Fish tip\u003c\/h2\u003e\n\u003cp\u003eA precise \u003cstrong\u003e1 inch soil\u003c\/strong\u003e base capped with \u003cstrong\u003e2 inches sand\u003c\/strong\u003e is the sweet spot—no chemicals, no CO2, just biology doing the work.\u003c\/p\u003e\n\u003cp\u003e👉 Build your base with the full \u003ca title=\"Aqua Preta Soils\" href=\"\/collections\/aqua-preta-soils\"\u003eAqua Preta soils\u003c\/a\u003e, then plant heavy from the \u003ca title=\"Stem Plants Collection\" href=\"\/collections\/stem-plants\"\u003eStem Plants Collection\u003c\/a\u003e and add easy accents from the \u003ca title=\"Anubias Collection\" href=\"\/collections\/anubias\"\u003eAnubias Collection\u003c\/a\u003e. New to natural tanks? Try a done-for-you \u003ca title=\"Plant Packages\" href=\"\/collections\/plant-packages\"\u003ePlant Package\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003ePairs well with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"Aqua Preta Natural Substrate\" href=\"\/collections\/aqua-preta-soils\"\u003eAqua Preta Natural Substrate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Stem Plants Collection\" href=\"\/collections\/stem-plants\"\u003eStem Plants Collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Anubias Collection\" href=\"\/collections\/anubias\"\u003eAnubias Collection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Father Fish Aquarium","offers":[{"title":"Default Title","offer_id":47655333921041,"sku":"sub10","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/0500\/8913\/files\/aqua-preta-aqua-preta-complete-soil-loose-front-labelcomplete-soil-medium-soil-closeup.webp?v=1759938567","url":"https:\/\/fatherfishaquarium.com\/products\/aqua-preta-complete-soil-medium","provider":"Father Fish Aquarium","version":"1.0","type":"link"}