Grow1 Clear Food Grade Poly Air Tubing, 3/16'' x 50' Seed Starting Grow Lights Add 1 teaspoon to 1

Add 1 teaspoon to 1 tablespoon

then water in well

monitor EC and adjust pH for your particular crop

Vegetables & Flower Beds

Duct Opening Size    4"    Product Length    5

Grow1 Clear Food Grade Poly Air Tubing, 3/16'' x 50' Seed Starting Grow Lights Add 1 teaspoon to 1Grow1 Clear Vinyl Tubing (ID) 3 16" (OD) 1 4" 50 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. Inner Dimensions: 3 16'' Outer Dimensions: 1 4''