Use powder bleach (comet) and add a few drops of water to create a paste. Then with gloves on really work that pate into the grout and let stand for 20-30 mins. Come back to it with a firm toothbrush and scrub it in.
"Removing and replacing old caulk can be a time-consuming project if it starts growing mold. Thankfully, this may not be necessary to get rid of your mold problem. Try cleaning the caulk first with common household staples like ammonia and bleach (never both at the same time!). These are proven mold killers up to a certain point, but as harsh as they are, other non-toxic household items (like vinegar and baking soda) often prove to do an even better job!" http://www.wikihow.com/Remove-Mold-from-Caulk ; Good luck!
I'm having that same issue. I tried bleach and since it didn't work, I'm planning to remove the old caulking and re doing it. Not my first choice, but it needs to be done every so often anyway.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks...
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We have had a pebble stone floor installed in our bathroom. It's an open shower with glass walls. Recently there have been spots that mildew has grown.I have bleached...
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http://www.hometalk.com/diy/clean/bathroom/how-to-get-rid-of-black-mold-in-your-shower-caulking-30392828
How to Get Rid of Black Mold in Your Shower Caulking
Bleach and Cream Cleaner.....
Use powder bleach (comet) and add a few drops of water to create a paste. Then with gloves on really work that pate into the grout and let stand for 20-30 mins. Come back to it with a firm toothbrush and scrub it in.
"Removing and replacing old caulk can be a time-consuming project if it starts growing mold. Thankfully, this may not be necessary to get rid of your mold problem. Try cleaning the caulk first with common household staples like ammonia and bleach (never both at the same time!). These are proven mold killers up to a certain point, but as harsh as they are, other non-toxic household items (like vinegar and baking soda) often prove to do an even better job!" http://www.wikihow.com/Remove-Mold-from-Caulk ; Good luck!
Vinegar or hydrogen peroxide. Soak cotton balls or rope and place on moldy areas and let sit for a half hour or so.
I'm having that same issue. I tried bleach and since it didn't work, I'm planning to remove the old caulking and re doing it. Not my first choice, but it needs to be done every so often anyway.