Therm-O-Rock Perlite Horticultural Organic-3.5Cuft Damper Thanks to a proprietary blend

Thanks to a proprietary blend of naturally occurring enzymes

Ideal for all types of transplants

For higher amperage units

drought and other environmental extremes can negatively impact a young plant's growth potential

MICROBE-LIFT/BMC kills developing mosquitoes before they become breeding

Therm-O-Rock Perlite Horticultural Organic-3.5Cuft Damper Thanks to a proprietary blendTherm O Rock's lightweight perlite improves drainage and aeration when mixed with other soil materials. It prevents soil compaction and promotes strong root development. Perlite is excellent for rooting cuttings and for hydroponics. Easy handling, loading, and unloading. OMRI listed.