Netafim UV White / Black Polyethylene Tubing, 3/4", 100' PPM | TDS | EC Meters When first turned on the

When first turned on the pump will run until it reaches full vacuum

Water Removal: 155 Pints/Day

eliminating the need for separate Cal-Mag supplements

Width (in):  6

Netafim UV White / Black Polyethylene Tubing, 3/4", 100' PPM | TDS | EC Meters When first turned on theNetafim Hydro Flow Netafim UV White Polyethylene Tubing With excellent Ultra Violet (UV) resistance, our reflective white tubing is completely opaque to prevent algae growth. It withstands heat, direct sun and harsh chemicals while producing cooler water temperatures enhancing plant growth. The Super Flex tubing is solid opaque white. The white black poly tubing is white on the outside and black on the inside. (. 82 in ID x . 94 in OD)