Category
Pool Chemicals & Clarifiers
Store
eBay
Brand
HTH
HTH Blackal Shock Algaecide is a complex, high dose Copper Based Algaecide. Destroys all types of algae, event the most resistant (mustard, black, pink, etc. and prevents their recurrence. If there are any problems we will notify you straight away. ).
33.5 GBP
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