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BioGuard® Back Up® Algicide Formulated with 95% Carbon 14 as an active ingredient. Highly effective preventative against a
broad spectrum of algae. Complements chlorine in pool care. Powerful surfactant/wetting agent. Stable in sunlight & will not evaporate. Works in all pH ranges. pH neutral. Activity increase as water temperature rises. Concentrated & non-staining. Compare to "bargain" algaecides.
Because of its concentration, you need apply only every 2 weeks.
For POOL use only. DO NOT use in spas or hot tubs.
Application: Read & follow all label instructions. Adjust chlorine to 1.0--3.0 ppm. Initially: 1 qt per 25,000 gals. Then 2 oz per 5,000 gals every other week. Repeat dosage after heavy rains or large amount of refill water. Pump must run 8--12 hours daily for best results.
Size Available: 1 Quart bottle,
$24.99 each NOW $21.99
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