POOL BLOCKS

Pool Blocks all season algaecide is an extra strength, slow release solid tablet algaecide suitable for fibreglass and vinyl liner pools using chlorine or saltwater. This product eliminates all forms of green, mustard and blackspot algae to deliver clean, sparkly results. Pool Blocks are used by commercial pools, hotels and by local governments to control algae in water sources. This product contains more than twice the active ingredient of most standard competitor algaecide products to ensure the longest possible treatment period. Using Pool Blocks regularly prevents black spot algae and keeps your pool water sparkling clear.