CREATED BY GROWERS FOR GROWERS
The H2OFX Cartridge
H2OFX cartridges come in two different sizes to suit your reservoir or watering container needs. The small cartridge can be used in anything from a watering can to a 40 L (10 gal) water container. The large cartridge can be used in up to a 250L (66 gal) water container.
Add the cartridge at any time throughout the growth cycle – it is recommended for all stages of grow, germination, vegetation and flowering.