Algaefree Pool Blocks All Season Algaecide (Pack of 2, 600g)

Australia’s most sought after Premium Algaecide.

Pool Blocks is an extra strength, slow release solid tablet that works with all chlorine and salt water pools. It eliminates all forms of green, mustard, and black algae. They eliminate algae from walls & steps, reduce chlorine consumption, make pool water sparkling and clear.

Use one Pool Block per 25,000L/month