Does wazine expire?

[questions543]

Four months ago I put piperazine dihydrochloride in the chickens water but I made Way more than I needed so I put the rest inside a bucket that was not exposed to the air I'm wondering now if this solution is still good to give my chickens for another worming,

thanks for all the answers!!

 

[TwoCrows]

Generally when you buy Wazine, the expiration date is 2 or 3 years from time of manufacture. I have open bottles that are a year or 2 old and they still seem to work just fine. As long as this bucket was clean to start with and was sealed away from air as you say yours was, I would say it is still active.