Shield 450g fast dissolving and swimming can

fast dissolving and swimming can resume one hour after treatment

BioGuard Swim Sticks are a slow-dissolving compressed trichlor sanitiser that can be used in automatic feeders and some floaters for constant chlorination

Helps prevent scale build-up from high calcium levels

and pools with attached spas because of reduced odours

Shield 450g fast dissolving and swimming canBioGuard SPA Shield raises calcium hardness to help prevent corrosion of equipment and etching of surfaces. Storage and transport friendly Benefits Protects spa surface and equipment Helps prevent corrosion of equipment Helps prevent etching Increases and assists in maintaining calcium hardness levels