Hydro Flow Vinyl Tubing Black 1 in ID - 1.25 in OD 50 ft Roll Thermostats The new design of the

The new design of the blade not only gets the job done

The result of this scientific rigor is Grodan Gro-Blocks Improved with our Advanced Wetting Agent

The 8 g covers a full ounce and the 67 g steps up to a pound

That keeps the water bill in check at commercial volume

Hydro Flow Vinyl Tubing Black 1 in ID - 1.25 in OD 50 ft Roll Thermostats The new design of theHydro Flow Vinyl Tubing Black 1 in ID for Hydroponic Systems This Hydro Flow vinyl line runs a 1" inside diameter and 1. 25" outside diameter in a 50 ft roll. The wide bore moves real volume, which suits pump outlets, reservoir returns, and high flow drain lines. Flexible vinyl bends around corners and slips over 1" barbed fittings without fighting you. The opaque black wall blocks light, so algae has a harder time setting up inside the line. Growers