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Potting soil for growing hydroponically is a great way to complete your hydroponic growing system. The finest ingredients go into the potting soil offered by Horizen Hydroponics. Bat Guano's, Crushed Crab shells, forest floor compost, earthworm castings, beneficial fungi and bacterias create a wonderful environment for your roots. Check out the FoxFarm Potting Soil, Fox Farm Ocean Forest and Fox Farm Happy Frog, some of our top sellers! Potting soil use in hydroponics is a good way to grow and using good potting soil does effect your yields. Check out our Potting Soil offerings below.