It contained what amounts to concentrated bleach (about 2x as concentrated as typical store bought concentrated bleach), which is easy enough to clean and neutralize.
I wouldn't use it for consumption water just because we don't know about the condition of the plastic itself, but for non potable water it's fine.
Pay more attention to the chemical itself, it was just concentrated bleach.
Heavily concentrated bleach is nothing to scoff at and can give nasty chemical burns if not handled with care, but it's not something that can't be cleaned for gray water use.
One of the use cases are even for drinking water sterilization.
Sodium hypochlorite solutions are bleach, this container just had very concentrated bleach (store bought concentrated bleach is around 7.5%, this was 12.5%). Bleach is often intentionally used for water tanks to shock it to kill algae and other undesired growth. ( example: https://dec.alaska.gov/eh/dw/resources/disinfection-water-storage-tanks/ , if planning to use a tank like this it's also a good idea to know how to service it)
Of course "concentrated" bleach stops being "concentrated" the moment you add water.
Handle it much the same way you would handle other bleach dilutions.
If you’re looking for the best one for potable water i suggest a rebottled one. Where it’s a new bladder and a refurbished cage, depending on your budget of course.
Edit to add I’d definitely wash and reuse the one you’re looking at
We bought two new ones the seller claimed was safe for potable water. The labels suggested otherwise, but if we use them for potable water we'll put a bladder/liner in first.
I wouldn't. You might say it's for gray water uses, but sooner or later someone is going to cook with or drink that because it "looks alright". Once something is non-food-safe, it stays that way for the rest of its existence because people make mistakes and/or bad decisions.
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u/pyroserenus 3d ago edited 3d ago
Basically yes.
It contained what amounts to concentrated bleach (about 2x as concentrated as typical store bought concentrated bleach), which is easy enough to clean and neutralize.
I wouldn't use it for consumption water just because we don't know about the condition of the plastic itself, but for non potable water it's fine.