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Pesticide removal

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I have finally (sigh) captured a roll of window screen!

 

 

Bad news: it was contaminated with plant-derived "eco-friendly" insecticide (the "ecofriendly" ones are arguably worse than the others)!

 

After several rounds of frantic soaping, the nauseating smell of aromatic plant oils is still there. Any ideas, roachworld?

 

 

Thanks in advance

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Wow! I'm so sorry @Test Account

I have lost insects for those horrible pesticides already... 

Maybe cleaning with vinegar + sodium bicarbonate diluted in some water? Is what I use to eliminate pesticides in the fruits before offer to my roaches... ? 

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Most likely it contains permethrin. 
That stuff is quite persistent. I would put it in a washing machine with sodium carbonate instead of detergent and wash it a high temperature. Perhaps that will do, as permethrin hydrolyses under alkaline conditions. 
Another option is the combination of water and light... but that might take time. 

Even then, I would be reluctant to use it. Considering the fact that permethrin treated clothing can outlast many washing cycles....

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I always peel fruits before I give them to the roaches... Or when possible use those from my own garden. 

@Xenoblatta: these roaches died after eating contaminated fruits?

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I’m not sure if it may or may not destroy the screen, but as my saying goes, “just burn it”. Supposedly many plant oils can be burned to be removed, for instance, many nuts containing oils (especially peanuts, and they contain tons of oils) are flammable for this reason, so there’s a chance it’d destroy the chemical/decay it to a harmless state.

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On 8/28/2018 at 10:36 AM, stanislas said:

@Xenoblatta: these roaches died after eating contaminated fruits?

Hey @stanislas... Yes, they died shortly before this picture, and some hours after offering non-pealed fruits.... ?

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