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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
the built-in microprocessor continuously applies calculations to the injection schedule
DRAINAGE AND MOISTURE RETENTION: Ideal as a lightweight draining layer in roof gardens and green roofs (both extensive and intensive)
one fifty-gram packet of general purpose nutrient
Calcium Ca++ (ppm)
Grow1 Black Vinyl Tubing I.D. 3/4'' x 50' reflectors and grow lights the built-in microprocessor continuously appliesBlack 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''
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