Hydrologic Upgrade Kit to Convert Tall Boy to stealthRO 100 meters-&-solutions the pH controller measures the

the pH controller measures the pH value of the solution and automatically adds pH adjustment (acid or alkaline) to change the liquid's pH to the desired selected level

Humboldt Nutrients three-part fertilizer program will produce fantastic yields and premium quality crops

Replacement sensor for Oakton Waterproof Multiparameter TestrTM 35-series Pocket Meters (OK3542500 and OK3542505)

Runs HPS or MH bulbs

• External flow restrictor for 2:1 drain to product water ratios

Hydrologic Upgrade Kit to Convert Tall Boy to stealthRO 100 meters-&-solutions the pH controller measures theUse the Hydrologic reverse osmosis water filter Upgrade Kit to convert your Tall Boy to stealthRO 100 to customize your indoor hydroponic garden.