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

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

2 x CR2032 batteries

and begin to break down after about 3 to 5 years as roots begin to break through the container

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"