AquaDoc Chlorinating Granules deliver fast, effective sanitization to keep your hot tub or spa water clean and clear. This concentrated chlorine treatment dissolves quickly to eliminate buildup, reduce foam, and maintain proper water balance. Easy to measure and apply, the granules simplify spa maintenance while preventing scaling, corrosion, and cloudy water. Trusted by spa owners for reliable results, AquaDoc chlorine granules help you enjoy safe and sparkling water every time you soak.