Grow1 Black Vinyl Tubing I.D. 3/4'' x 50' spl-athena Use halide for growing

Use halide for growing

Minerals remaining in solution increase the conductivity of the water

High accuracy

Uses Standard RJ11 Data Cables

and excessive PPM (2000+)

Grow1 Black Vinyl Tubing I.D. 3/4'' x 50' spl-athena Use halide for growingBlack Vinyl Tubing (ID) 3 4" (OD) 1" 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 4'' Outer Dimensions: 1''