Mother Earth Hydroton Giant Athena Grow A Very low TDS - Doesn't

Very low TDS - Doesn't throw off mineral balance

Can be plumbed for permanent drainage

Seed Treatment:Mix 4ml per gallon water and soak seed for 1-2 minutes before planting

By creating a product free of added nitrogen

Mother Earth Hydroton Giant Athena Grow A Very low TDS - Doesn'tThe original Hydroton brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed into pellets, then kiln fired at high temperatures to cause the clay to expand into tough, lightweight balls. Hydroton brand expanded clay is semi porous and generally does not float like other products can. For best results, rinse all expanded clay before use. It is reusable as long as it is thoroughly cleaned