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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Product cannot be overdosed
You can tell it is working by the distinct colour changes
Fits between the pump housing and seal plate
-Controls algae in swimming pool waters
Top Diameter: 5-9/16"
Formula 500 Size:4L 982160 Product cannot be overdosedLiquid Algaecide Kills and controls stubborn algae growth Effective on green and other algae helps flocculate dead algae and sediment to pool bottom for easy cleaning Effective at any PH level None Foaming, Aids Pool Clarity, Reduces Chlorine Demand 40% Poly
