Mother Earth Hydroton Giant 50 L Pressure Regulators 4-hour REI

4-hour REI

then the pebbles being used must be pre-soaked for a minimum period of 48 hours in pH water 4

and highly effective solution for professional results

Growers testing soil directly want the Bluelab Soil pH Pen instead

Mother Earth Hydroton Giant 50 L Pressure Regulators 4-hour REIThe 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. Clay naturally has balanced capillary action, with an ideal surface structure. Hydroton brand expanded clay is semi porous and generally does not float like other products can. For best results, rinse