ADA Pack Checker ClO 5 Pack - Water Testing Kit for Pools, Spas & Aquariums | Accurate Chlorine Dioxide Measurement | Ideal for Home, Commercial & Laboratory Use

The amount of chlorine residue in tap water varies by locality and temperature. It is very important to check if the water is neutralized properly on regular basis. A close observation of the CIO level is recommended during winter time when the amount of chlorine residue is higher.

5 per pack