2.5 Gallon

Captain is the right tool for economical and effective control of a broad spectrum of filamentous and planktonic algae. This premium quality aquatic algaecide is 9% double chelated copper. Algae control occurs in 3 to 7 days following application when applied according to label directions. Water treated with Captain may be used for swimming, fishing, watering livestock and for irrigating turf, fairways, putting greens and ornamental plants immediately after treatment.