BioNova pool
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Natural swimming pools

A BioNova natural swimming pond installation in Canada. (BioNova)
A residential BioNova swimming pond in Nantucket, Mass. (BioNova)
The BioNova system uses shallow- and deep-water plants in conjunction with filters to keep the water clear.  (BioNova)
Plants and beneficial microorganisms in natural swimming ponds outcompete algae and harmful bacteria for nutrients, leaving water safe for swimming. (BioNova)
A Hybrid BioNova natural swimming pond in Princeton, N.J. (BioNova)
Natural swimming ponds do not need biweekly visits from a pool professional to add chemicals, but they do require occasional weeding and replanting. (BioNova)