Mother Earth Hydroton Giant 50 L Pressure Regulators then the pebbles being used

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

4-hour REI

This is worth being precise about

Run it near reservoirs and nutrient lines without worry about splash

Mother Earth Hydroton Giant 50 L Pressure Regulators then the pebbles being usedThe 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