ResClear Root Zone Conditioner Optimizer 1 Quart - Hydroponic Water Treatment For Plants - UC Roots Watermax Maintains Clean Sterile Water For Hydroponic Systems Conditions Water & Enhances Root Development For Plants Keeps Roots White & Healthy In Hydroponic Applications Volume: 1 Quart (32oz) Most Effective & Best Value vs UC Roots, Watermax, Clear Rez