Wonder Soil Expanding Worm Wafers, 7 lbs grow-light-ballasts adjust settings and calibrate by

adjust settings and calibrate by a simple push of a button

Features LED  Power Indicator

The RAY44 stands apart from conventional grow bars because it was purpose-built for precision cultivation environments

Permanently lubricated sealed bearings

Wonder Soil Expanding Worm Wafers, 7 lbs grow-light-ballasts adjust settings and calibrate byWorm Wafers Dry Compressed Castings with Microbes, 7 lbs Description: Patented. " compressed expanding worm casting wafers: The wafers are formulated with 70% worm castings and 30% coir, mycorrhizae, and kelp. The 7 lbs expands to 1 cu ft The wafers can be included in mixes or used as a natural nutrient source in any blend. Features & Benefits: The worm wafers offer the grower a lighter and cleaner bag that is easier to carry, store and use as needed.