This lap pool anchored into a hillside in Chestnut Hill, Pennsylvania, features a biofilter. Plants in the filter consume algae and nitrates to keep the water clean naturally, says Mike Ciarrochi, a pool designer at Armond Aquatech Pools.
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This lap pool anchored into a hillside in Chestnut Hill, Pennsylvania, features a biofilter. Plants in the filter consume algae and nitrates to keep the water clean naturally, says Mike Ciarrochi, a pool designer at Armond Aquatech Pools.
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