This 20g Small Chlorine tablet is designed for use with chlorine feeders or with floating dispensers. It is high in Chlorine content. 10 X 20g Chlorine Tablets & Floating Dispenser. Prior to using this product adjust the pH levels to the ideal range of 7.2-7.6 and as this product releases chlorine relatively slowly it may be necessary to shock dose or oxidise the pool or hot tub prior to its first use.
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