My basement sink drain pipe cracked right at the joint last Saturday

I was just washing out some paint brushes and heard this weird dripping sound. Looked under the sink and there was a hairline crack where the p-trap meets the wall pipe. Water was already pooling on the floor. I shut the water off and ran to the hardware store for a new pvc coupling and some primer. Took me about 45 minutes to cut out the old section and glue in a new piece. Does anyone have tips for getting old pvc cement off a fitting without breaking the whole thing?

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wren_jackson2h ago

Hairline cracks at the joint are the worst because you think you got it cleaned up but then water seeps through the next day. For old cement residue, a heat gun on low works if you're careful not to warp the fitting-you just heat it enough to soften the glue then scrape with a putty knife. I've also had luck with a sanding drum on a dremel to grind it down flush, but you gotta go slow so you don't eat into the pipe itself. Another trick is to score the old cement with a utility knife before you try to pry it off-sometimes that helps break the bond without snapping the whole thing.