GROW!T Perlite Grade #4, 4 cu ft Hydroponics MICRO is to be used

MICRO is to be used throughout the entire growth cycle of a plant

This lamp has been specifically engineered for horticulture applications

Intrepid Trio brand Kmag or SulPoMag is 100% natural Langbeinite

and hydrate your probes

GROW!T Perlite Grade #4, 4 cu ft Hydroponics MICRO is to be usedGROW! T Perlite Grade #4, 4 cu ft Product Details 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. 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.