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southwestern15's avatar

Mold in caulking around the shower?

Asked by southwestern15 (7 points ) February 1st, 2010

I have a small amount of mold in the clear caulking around the base of my shower. Tried all kinds of cleans with toothbrush but it’s still there. Do I have to take the whole darn glass shower doors off to put in new caulking or is there something I can use/do to get rid of this problem? Any help out there?

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6 Answers

chyna's avatar

Did you try straight bleach? That works for me.

southwestern15's avatar

Yep, the caulking seems to be well sealed under the door…...can’t get underneath but still the mold got there…...Just a thought I may try a syringe needle with bleach and inject it into the caulking and see if that works. Thanks for your help.

susanc's avatar

This is probably why people use white caulking. Frustrating. But I don’t understand why
you’d have to take the doors off to re-caulk. Can you post a photo?

southwestern15's avatar

I can post a photo tomorrow. I can’t caulk over the old caulking so I would probably have to take the shower surround down, scrub off the old caulking with the mold and then put the door back up and re-caulk…...all anew. If I put new calking over the new it would still show thru and would not get rid of the mold.

ETpro's avatar

@southwestern15 Be sure to wipe pure bleach onto everything in or around the site after removing the old caulking. Let it sit for 15 minutes then wash it off with clear water. Wear rubber gloves while working with the bleach.

You want to be sure all the mold spores are dead and gone before recaulking, or you will just get a new mildew bloom in short order.

Pandora's avatar

Once its all cleaned make sure it is completely dry. You don’t want to trap any moisture under the new caulking. You can get more mold and it will keep it from complelely making an air tight seal.

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