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  • keithwd commented on jfulop10's instructable Mosquito Killing Ovitrap1 day ago
    Mosquito Killing Ovitrap

    Try using boric acid or laundry borax in the water for a poison to kill the larva. The amount required to kill insects is "far" lower than the amount needed to damage, much less kill animals--birds are almost immune to it due to how their kidneys work.You will have to experiment to find the best dilution ratio to use. Too strong and it could repel them, too little and it would not work.My recommendation, is to start off with a saturated solution (no more will dissolve and some powder is left in the bottom of your mixing jar). After you have the saturated solution use it to calculate the ratio of it and water. I suggest you start out with a 50% water and 50% solution, and raise the percentage of water if it seems to repel the mosquitoes until it does not repel the gravid mo...see more »Try using boric acid or laundry borax in the water for a poison to kill the larva. The amount required to kill insects is "far" lower than the amount needed to damage, much less kill animals--birds are almost immune to it due to how their kidneys work.You will have to experiment to find the best dilution ratio to use. Too strong and it could repel them, too little and it would not work.My recommendation, is to start off with a saturated solution (no more will dissolve and some powder is left in the bottom of your mixing jar). After you have the saturated solution use it to calculate the ratio of it and water. I suggest you start out with a 50% water and 50% solution, and raise the percentage of water if it seems to repel the mosquitoes until it does not repel the gravid mosquito but still kills the larva and eggs.Another experiment would be to see if you could get the correct ratio to where the mosquitoes would still lay their eggs on the fabric but it would kill the eggs either before they hatched or right after, and hopefully kill mama shortly afterwards...Keith

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