Therm-O-Rock Super Coarse Horticultural Vermiculite - 4cu ft - Super Coarse - OMRI® Listed Grow Tents Systems Trays 2 Micron filter

2 Micron filter

Spray Pattern : Full-Flow Shower

Whether you’re a hobbyist or a professional

Features a bright green light and long battery life

Therm-O-Rock Super Coarse Horticultural Vermiculite - 4cu ft - Super Coarse - OMRI® Listed Grow Tents Systems Trays 2 Micron filterTherm O Rock Vermiculite is a soil additive that uses its accordion like particles to amend soil by retaining water, improving aeration and prolonging nutrient release. Its ability to retain both air and water makes vermiculite ideal for conditioning container soils. Vermiculite can also be used for seed germination, bulb storage and flower arranging. OMRI Listed.