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Bifen IT

Bifen IT

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Gary from Pahoa, Hi writes,

Does Bifen IT degrade if container is left in the sunlight?

I left my container of Bifen IT on the side of my house for a month, where it gets a few hours of tropical sun (Hawaii). It as yellowed some, but seems otherwise OK. Will it still work or should I throw it away (properly) and buy new?


Insecticides should be stored out of extreme heat and direct sunlight. The yellowing may have been the container turning rather than the concentrate. The sunlight and heat degrade the active ingredient and greatly reduce the shelf life, so you would probably be best served using fresh product.

Answer last updated on: 05/10/2015

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