...apart all the panes of glass, thoroughly clean them, and then reassemble the whole tank, which can be difficult to do if you do not have the equipment or experience to do so.
If it doesn't leak, I say run it, especially if your concern is the bottom glass 🙂
#Uncom#UncommonSensedo you think?
...loose, use polycarbonate which does not expand in water, or use glass. Not trying to throw you into a panic, just something to be aware of, it is a real thing.
#UncommonSense may have better answers.
https://www.reef2reef.com/threads/my-sump-glass-cracked-made-a-big-mess.1105496/#post-13465828