Best in 7 days
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
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Description
Crystal Blue 222 Copper Sulfate Crystals Pond Treatment 15 lb. GranulesThe Crystal Blue Copper Sulfate Crystals Pond Treatment should be used as a pond algae treatment on actively growing algae in water temperature above 60F. Granular copper can be applied in 1 of 3 different ways: broadcast crystals, place crystals in a burlap bag and drag behind boat, or dissolve crystals and spray. About 2 lb. of product treats approximately 15,000 sq. ft. Features: Copper sulfate should be used as a pond algae treatment on actively
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 2261 reviews
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Product Reviews
★★★★★ 5
Handy to use
Color: Blue/Battery
Easy to use.
Stores easily.
Grateful to have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 5
Nice Opener.
Color: Blue/Battery
Works great, and as described.
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Reviewed in the United States on May 8, 2026
★★★★★ 3
not for older ladies ...sigh
Color: Blue/Battery
its really neat , kinda magical but im older gen x and I h@te this thing too hard to coordinate for an old ladies hands
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Can opener
Color: Blue/Battery
Great can opener
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 1
That is works I couldn't believe it stopped working
Color: Blue/Battery, Color: Blue/Battery
The can opener stopped working a few months ago. I'm really disappointed with my purchase. It only worked for 5 months it's not cutting the lids off anymore.
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Reviewed in the United States on May 1, 2026
