5 Pack of AlgaeFree Pool Blocks (1.5 Kg) - Good for 3-4 Months of Treatment
Pool Blocks all season algaecide is an extra strength, slow release solid tablet algicide suitable for all chlorine and salt water pools. Eliminating all forms of green, mustard and Blackspot algae to deliver outstanding results in harsh environments. Sold since 1978 they have become one of Australia's most sold Premium Algicide Products.
Pool Blocks are used by commercial pools, hotels and local governments to control algae. They contain more than twice the active ingredient of most standard competitor products to ensure the longest possible treatment period.
Using Pool Blocks regularly prevents Blackspot Algae and stops your pool from turning green when chlorine levels fall.
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