GROW!T Expanded Horticultural Grade #4 Grade Perlite, 4 cu ft Deep Water Culture | DWC this duct fan features an

this duct fan features an EC motor that is controlled using PWM (Pulse Width Modulation)

Wattage:  120

Fully water-soluble with no residue or sediment

Larger plants may require more frequent intervals

All-in-one formula

GROW!T Expanded Horticultural Grade #4 Grade Perlite, 4 cu ft Deep Water Culture | DWC this duct fan features anGROW! T Expanded Horticultural Grade #4 Grade Perlite GROW! T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. #4 Perlite (1 3" 3 4" granules) Enhanced aeration and drainage Completely sterile Neutral pH of around 7. 0 Odorless and lightweight Aids in breaking up heavy soils Derived