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- Copper Sulfate Crystals
- Commonly used in ponds as an algaecide
- Contains 99.0% copper sulfate pentahydrate.
- Also for use as root destroyer in sewers.
- Size: 5 Pound
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Use Applied Biochemists Copper Sulfate Crystals to treat algae, weeds and microscopic organisms. These Copper Sulfate Crystals have no general water use restrictions at label rates, and are an effective way to control roots in residential and commercial sewers. Do not use in waters containing koi, hybrid goldfish, or trout.