water on ceiling causes 6

https://theaccondensateleakceilinghub.inkharbory.com/posts/how-to-spot-an-ac-condensate-leak-on-your-ceiling-before-it-causes-mold

Water on the ceiling usually means a leak from above—could be a broken pipe, a dripping roof, or a clogged gutter. It starts as a small stain, then bubbles and sags as moisture builds. If ignored, the drywall weakens and may collapse, dumping water and mold spores into your room. Act fast: find the source, dry it out, and patch the spot.