๐ฑ Aqua Preta Complete Soil Large - For 40-75 Gallon Aquariums | Natural Substrate System
๐ฑ Build a thriving, low-tech ecosystem with Aqua Preta Complete Soil โ Large, portioned for 40โ75 gallon aquariums. Each bag includes the Father Fish Supplement and creates a balanced, microbially active base that feeds roots for yearsโno bottled fertilizers, no CO2.
Why you'll love it
- โ Complete natural baseโsoil + supplement for a self-sustaining root zone
- โ Sized for bigger tanks (40โ75 gal)
- โ Healthy plants & fishโstable water chemistry without chemicals
- โ Safe for fish, shrimp, snails, and plants
- โ Low-tech friendlyโdeep-substrate foundations that last
How to use
- Spread about 1 inch of soil across the tank bottom.
- Cap with ~2 inches of pool filter sand (do not rinse the soil).
- Plant heavily on day oneโstems, swords, crypts; mount rhizomes (Anubias) on wood/rock.
- Fill slowly, run a sponge filter, and avoid disturbing the cap.
Sizing tips: For tanks larger than 75 gal, use two Large bags or one Large + one Small to maintain a full 1-inch base. If coverage is a little shy of 1 inch, you can mix in a cup of plain peat or potting soil and blend well.
What's included
- โข Aqua Preta Complete Soil (large bag)
- โข Father Fish Supplement pre-matched for this size
Father Fish tip
A precise 1 inch soil base capped with 2 inches sand is the sweet spotโno chemicals, no CO2, just biology doing the work.
๐ Build your base with the full Aqua Preta soils, then plant heavy from the Stem Plants Collection and add easy accents from the Anubias Collection. New to natural tanks? Try a done-for-you Plant Package.