House & Garden®, Magnesium Boost® (1 Liter) Heat Mats Check out our CO2 calculator

Check out our CO2 calculator

mites and powdery mildew

End handles

Endomycorrhizal fungi penetrate root membranes

Maxx Flush™ Pasteurized Substrate 5lbs is the ideal growing medium for a variety of mushroom species

House & Garden®, Magnesium Boost® (1 Liter) Heat Mats Check out our CO2 calculatorHouse and Garden Magnesium Boost (1 Liter) Magnesium Boost is perfect for revitalizing your plants when they're needing a little extra magnesium. It is especially effective for longer vegetative times, and in strains with thicker leaves and certain indica dominant hybrids. You can usually tell when your plants are deficient when the leaves start turning yellow while the veins stay green in this scenario, a little magnesium goes a long way. By