Hydroton Giant 50 Liter These plugs are perfect for

These plugs are perfect for seedlings or cuttings

Successful calibration indicator and calibration is optional

when compared with the more common and well-known bacillus subtilis species

Pro-Mix® HP Biofungicide + Mycorrhizae is a high-porosity

Accommodates all popular brand (ID) inside dimension trays and reservoirs including  Botanicare® and more

Hydroton Giant 50 Liter These plugs are perfect forThe 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