Pool Mate 10-Pounds Premium Alkalinity Increaser for Swimming Pools

Quick answer The Pool Mate 10-Pounds Premium Alkalinity Increaser scores 9.4/10 with us. Amazon owners rate it 4.7 out of 5 across 1,282 reviews, in line with the 4.6 average of the 16 pool balancers we track. It was listed at $17.61 on Amazon when we last checked in September 2026.

This product raises the total alkalinity in swimming pool water. It boosts the effectiveness of your pool water disinfectant, as well as aids in the prevention of scale formation, metal corrosion and the etching of pool surfaces. It helps maintain your pool’s pH level and eliminates pH “bounce”.

Easy to use and dissolves quickly. Test for total alkalinity with a reliable test kit. The desired range for total alkalinity is as follows: Fiberglass Pools 70-100 ppm, Marcite, Painted, Tile, or Exposed Aggregate Pools 80-120 ppm, Vinyl Pools 120-140 ppm.

If the total alkalinity is less than this desired range, add this product directly to the pool water while the pump is in operation, in accordance with the included table.

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