Grow1 Black Vinyl Tubing I.D. 3/16'' x 1000' pumps-and-irrigation-supplies It is 8" square and

It is 8" square and contains over twice the amount of rockwool as the popular Hugo block

HORTILUX Metal Ace (converts HPS to metal halide) conversion lamps are metal halide lamps that operate on high pressure sodium systems

Biomin Calcium is micronutrients chelated with amino acids

Dimmable Settings (200W / 350W / 450W / 660W)

Grow1 Black Vinyl Tubing I.D. 3/16'' x 1000' pumps-and-irrigation-supplies It is 8" square andBlack Vinyl Tubing (ID) 3 16" (OD) 1 4" 1000 ft Made from strong and durable vinyl material, these tubes are available in a variety of sizes and lengths, great for use with air or water. The tube walls are thick and flexible, and you may choose between the 100% opaque black vinyl, which prevents algae growth, or the clear vinyl that allow for complete visibility. If you are using accessories such as basket drippers and air stones use (ID) 3 16"