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Sherry from Holbrook, Arizona writes

Will this product harm koi?

I have algae in my pond, but I have koi and birds that use the water. Will this product harm them?

Answer:

You should not use Cutrine Plus Algaecide in ponds containing koi fish.  This is the verbiage from the product label:  "This product may be toxic to trout and other species of fish. Fish toxicity is dependent upon the hardness of water. Do not use in water containing trout if the carbonate hardness of water does not exceed 50 ppm. Do not use in waters containing Koi and hybrid goldfish. Not intended for use in small volume, garden pond systems". Due to liability issues, we do not make any recommendations for ponds with koi or goldfish because of the sensitive nature of these fish. We recommend you contact a koi expert for assistance.

Answer last updated on: 05/19/2023

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Cutrine Plus Algaecide

Cutrine Plus Algaecide

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$61.98

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