BioGuard Polygard Concentrate is a non-foaming polyquat algae preventative and algaecide that is excellent for use in pools with attached spas, fountains, or jetted returns.
600g/L polixetonium salts.
Non-foaming.
Metal free.
Effective on all common algae types.
Works with chlorine or bromine.
Excellent for use in pools with attached spas or fountains.
Negligible effect on water balance