If you’re lucky enough that your mice take the bait and eat it, the bleach will kill them, but only if they’ve ingested enough of it. And it won’t be immediate; it could take a day or two. If you’re dealing with mice and want to try something different, bleach is one way you could go.

How long does it take for bleach to kill a rat?

If you’re lucky enough that your mice take the bait and eat it, the bleach will kill them, but only if they’ve ingested enough of it. And it won’t be immediate; it could take a day or two. If you’re dealing with mice and want to try something different, bleach is one way you could go.

What liquid will kill rats?

LIQUA-TOX II is a liquid concentrate containing the active ingredient, Diphacinone, that kills rats and mice. It contains 0.106 percent Sodium Diphacinone which mixes easily in a quart of water to yield a finished bait with 0.005 percent Diphacinone.