Hydroton Clay Pellets
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Hydroton is was a clay aggregate that is was manufactured exclusively at high-tech kilns in Germany and is used as a soil replacement in hydroponics. Composed of shale that is pelletized and fired, Hydroton holds water extremely well and transmits it effectively. The pellets have an attractive, natural appearance. They range in size from 8mm to 16mm (5/16" - 5/8").
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