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June 15, 2015 at 7:59 am #175307

E. Vinje
Keymaster

Megan –

While Bt israelensis — the active ingredient in Mosquito Dunks — will not harm people, pets, wildlife or fish, we cannot recommend using the product in a pool that is being used. The product label clearly states only unused swimming pools.

https://www.planetnatural.com/product/mosquito-dunks/
https://www.planetnatural.com/pest-problem-solver/lawn-pests/mosquito-control/

Hope this helps!