The HTH® Floater + has a built-in shock treatment and an Algaecide, both contain a slow release sanitiser and a clarifier.

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BEWARE OF FAKE HTH® WEBSITES
Fraudulent websites are impersonating the HTH® brand and misleading customers attempting to purchase our products.
We want to assure the public that this scheme is in no way associated with the trusted HTH® brand, which has been a part of families’ lives for many years.