House & Garden®, Magnesium Boost® (1 Liter) Heat Mats Grow More Seaweed Extract (0

Grow More Seaweed Extract (0

Endomycorrhizal fungi penetrate root membranes

Derived from: Fish Bone Meal

Crafted from high-quality waterproof polyethylene

House & Garden®, Magnesium Boost® (1 Liter) Heat Mats Grow More Seaweed Extract (0House 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