Grow1 Black Vinyl Tubing I.D. 1'' x 25' harvest-solution Elemental contains two absolutely essential

Elemental contains two absolutely essential macronutrients: calcium

Growing in a compact space where every inch matters

Expandable support clips grow with the plant for continuous support

The controller can be programmed to adjust fan speeds to respond to varying high and low temperatures

Grow1 Black Vinyl Tubing I.D. 1'' x 25' harvest-solution Elemental contains two absolutely essentialBlack Vinyl Tubing (ID) 1", (OD) 1 1 4", 25 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: 1'' Outer Dimensions: 1 1 4''