Product Q&A

Answer:

BTI Mosquito Dunks can be used in koi ponds and will not be harmful to fish. Depending how big the pond is, you can  break the one briquet in half to treat a smaller area. 1 briquet will treat 100 sq ft of water.  1 briquet treats up to 100 sq ft of water 1 briquet treats up to 100 sq ft of water 1 briquet treats up to 100 sq ft of water  

Answer last updated on: 04/23/2018

Was this answer helpful to you? Yes No

25 of 27 people found this answer helpful.