GROW!T #3 Perlite environmental-controllers The keypad now has a

The keypad now has a fourth key to simplify menu navigation while keeping convenient one-touch calibration

It foams less than the regular formula of Sea Green

Concentrated potassium silicate will react with other elements

Includes instructions and "Consumer's Guide to Light Gardening" brochure

Hangers included

GROW!T #3 Perlite environmental-controllers The keypad now has aGROW! 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. Hydrofarm searched globally and went to great lengths to find a source of top quality perlite, and succeeded and what we found is offered in the GROW! T line of perlite products. Multiple grades available: #2 Perlite (1 16" 5 8"