Cleaning the stained area of the ceiling with a mild homemade bleach solvent (one cup of bleach and three cups of warm water) will fade the stain and remove any lingering mildew, grease, dirt, or dust that can prevent primer and paint from adhering to the ceiling.
People also ask, how do I get brown water stains off my ceiling?
Learn how to remove water stains from ceilings in 4 steps:
- Fix the leak that caused the stain first.
- Clean the ceiling stain with a bleach solution.
- Apply an oil-based undercoat to keep the stain from bleeding through new paint.
- Repaint the ceiling, not just the stain.
Then, how do you remove water stains from plaster ceiling?
Mix a solution of half bleach and half water, and then apply this with a sponge over the stains. This will lighten the stain and remove any mildew. Use clean water from your spray bottle to rinse away as much of the bleach mixture as possible.