HTH 67061 Swimming Pool Care Pool Care Stabilizer, Swimming Pool Chemical Helps Chlorine Last Longer, Sunlight Protection, 4 LbsBrand: HTH Color: color Features: BENEFITS: Help protect and extend the life of chlorine in your swimming pool water and ensure healthy swimming COMPATIBILITY: Pool care chemical works with all swimming pools EXTENDS CHLORINE LIFE: Helps slow down the effects of direct sunlight on chlorine in swimming pool water EASY APPLICATION: Simply add HTH Chlorine Stabilizer directly to your skimmer YOU'RE ALL CLEAR WITH HTH: For best results, use HTH 6 Way Test