What is the stain on my painted wall that changes color when it gets wet? i paint over it and it comes through?

It sounds like mold to me!


Have it checked soon, be sure your home does not have mold,


very unhealthy!What is the stain on my painted wall that changes color when it gets wet? i paint over it and it comes through?
Next time you are going to paint that wall.


Put some ';Kilz'; on it.


You can get it in a spray can or by the bucket.


Lowe's or Home Depot should have it.


It will stop stains from coming through.What is the stain on my painted wall that changes color when it gets wet? i paint over it and it comes through?
Sounds like some sort of oily substance. Use any stain blocking primer. No more bleed through.
You need to kill the mold with bleach.
ink?