Hoffman Horticultural Perlite, 18 Qt ipm-control It provides a balance of

It provides a balance of moisture and air spaces that allows for optimal growth of mycelium

B-52 can and should be used during your plants ENTIRE lifetime from seed or cutting to harvest

80% organic fertilizer with chelated minerals

This ensures that the carbon filter properly traps odors in its activated charcoal and refines the air when used with an inline duct fan

increasing the

Hoffman Horticultural Perlite, 18 Qt ipm-control It provides a balance ofHorticultural perlite is a lightweight soil conditioner, loosens clay soil, reduces caking, improves drainage and aeration. Blend with peat moss and perlite for custom soil less mix. Can be used to start seeds, propagate cuttings and store bulbs