Last year I used a bag of decorative rocks in the plastics bag that came with the steps. The bag leaked so algea formed in the bag. It was a mess!Originally Posted by spcchap
This year I purchased two cinder block caps and (electrical) tie wrapped them to a grate on the bottom of the stairs, then sunk the whole thing in the water. The blocks didn't budge and the stairs are stable. What I don't know is what affect it will have on pool chemistry.
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