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wtf? after a few pins my rubber stoppers are falling apart. i soaked them in alcohol for an hour. and left in tupperware to dry over night. im not sure what can be cause. i did overfill the vials to 12 ml... im not sure if the BA started to eat through the rubber stopper?

so im pretty upset. Because medlabsupply doesnt ship to po boxes yet i do not even have a mailbox because my house is in the middle of a busy street so i order this. amazon.com/Benzyl-Alcohol-Ultra-Pure-99-8/dp/B008C8RK9Q/ref=sr_1_1_a_it?ie=UTF8&qid=1479968886&sr=8-1&keywords=Benzyl+Alcohol...