PBH Rice Hulls (organic) cleanroom dim and boost multiple (USB-compatible)

dim and boost multiple (USB-compatible) Hydrofarm ballasts at once—up to 256 in each of two independent zones for a total capacity of 512 ballasts

Up to 25 WD-1 can be connected to a single Aqua-x

Wear appropriate PPE

Aphidius colemani is a parasitic wasp native to North America useful for biological control of aphids in greenhouses and outdoor growing

are fitted with a light spring that folds with minimal airflow

PBH Rice Hulls (organic) cleanroom dim and boost multiple (USB-compatible)These are par boiled rice hulls which eliminates any leftover seeds from sprouting. We use these as a soil amendment to provide aeration and organic matter when needed. They also contain small amounts of silica. You can use rice hulls at a rate of 5% 20% of your total soil mix.