We have a molded shower in our Winnebago Journey. I get black mildew or mold on the caulking below the molded shower panel. I have tried spraying bleach on it but the black is still there. Any sugge...
When you are using the bleach to purify your tank, lines etc. Don't forget to do the inside of your water hose. Just disconnect at the faucet - put some bleach inside the hose, reconnect, let hose fill with water and sit. Do not run faucets until it has been able to sit in the hose for awhile. Don't ever look inside one if you never do this.