Castle Hot Tubs Non Chlorine Shock Granules Hot Tub Pool Spa Water Treatment 1kg

1kg Castle Hot Tubs Non Chlorine Shock Granules for swimming pools, hot tubs and spas are ideal for regular oxidisation of water. These are suitable for hot tubs running on chlorine or bromine. These Non Chlorine Shock granules are rapid dissolving and have minimal impact on pH.

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