GROW!T #3 Perlite fluorescent-lighting Day and night setpoints adjustable

Day and night setpoints adjustable from 20% to 90%

and calcium

Double thick tray

Easy one-button calibration

Set on time from 1 minute to 14 hours

GROW!T #3 Perlite fluorescent-lighting Day and night setpoints adjustableGROW! 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"