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Deisgned to increase the hold of copper in pool water, BioGuard MSA Extreme is a copper-based algaecide powerful enough illuminate most types of algae in swimming pools. The patended, highly concentrated non-staining algaecide, BioGuard MSA Extreme is formulated to prevent instances of green hair, water discolouration and pool surface staining typical of regular copper based algaecides. Containing 40g/L of active copper sulphate pentahydrate, BioGuard MSA Extreme also features added flocculants and clarifiers. Ideally suited to chlorine and salt pools. Not recommended for Ionic Fresh Water Pools.
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