#5 plastic jug from walmart?
what's the recycle code on the bottom of your jug? I ask because there are some plastics that are not compatible with lye solution, such as pete #1 for example (ask me how i know!). If your jug has a recycle code of hdpe #2, though, you're in great shape. That's the kind of plastic in which i store mine.
Properly stored, lye solution will last a very long time. As an experiment once, i stored lye solution in my hdpe #2 jug (actually a reclaimed laundry jug) for at least 9 months or more., and it soaped perfectly fine with no issues.
Irishlass
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