Black Tubing Vinyl -- 1 inch ID, 1.25 inch OD -- 100' Roll microbes Chemical concentrate is chosen separately

Chemical concentrate is chosen separately

ensuring that your system continues to operate at peak efficiency with minimal downtime

it regulates the pH level in the soil solution

These units are optimized for low heat load

Input Voltage: 100~240 VAC

Black Tubing Vinyl -- 1 inch ID, 1.25 inch OD -- 100' Roll microbes Chemical concentrate is chosen separately1 inch ID Black Vinyl Tubing for Pump and Drain Lines This 1 inch ID black vinyl tubing runs at 1. 25 in OD with a flexible wall for pump feeds, drain lines, and reservoir plumbing. The 1 in ID matches common pump outlets and 1 in barbs, so it slips on and clamps down without adapters. The black wall blocks light, which keeps algae from taking hold in standing water. This roll is 100 ft. Running Flexible Black Tubing Through a Hydro System Growers use