Dunk Tablets - How Safe Are they for Water - Knowledgebase Question

Marietta, Ge
Question by ctplayer
March 21, 2009
I plan to use a water barrel this year to collect rain water for our vegetable garden. I would like to treat the water with 'Dunk' tablets to prevent mosquito larva. Will the 'dunk' end up collecting in my veggies and make us sick.


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Answer from NGA
March 21, 2009

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Mosquito Dunks contain Bacillus thuringiensis israelensis (B.t.i.). B.t.i. is a bacterium toxic to Mosquito and black and psychodid fly larvae but harmless to other insects, people, pets, plants and the environment.

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