Nick Of Time!

[Keri]

Originally Posted by digital-audiophile

You could drill a little line for an emergency drain from the skimmer if you want peace of mind

YOU are SMART! Do you think it would crack?
My husband usually cleans it (skimmer = blue job ) every day or other day, and it's usually only a cm or three high, not sure why it suddenly went crazy tho there was some macro algae in the intake, might have affected it. (clean now) Thanks for the idea!