Grow1 Black Vinyl Tubing I.D. 1'' x 25' harvest-solution HI7004-050 is a high quality

HI7004-050 is a high quality pH 4

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

Expandable support clips grow with the plant for continuous support

Automatic Shut-off– User-selectable time until meter shuts off to conserve battery life

Washington

Grow1 Black Vinyl Tubing I.D. 1'' x 25' harvest-solution HI7004-050 is a high qualityBlack 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''