A highly concentrated liquid sanitizer used to reduce excess levels of chlorine or bromine after shocking. Knock Out will not affect the colouring of vinyl, cement, or fibreglass pools.

Knock Out, 1L

C$16.99Price
    Barrie Fibreglass Pools & Spas

     

    1139 Bayfield St. N.

    Midhurst, ON L9X 0N6
    info@barriefibreglasspools.com

    Tel: 705-728-3500

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