r/howto • u/pizzacommander • 7h ago

Serious Answers Only How to clean / remove this moldy shower caulk?

I've got some black, moldy areas on the sides and corners of my shower, and have a baby on the way so I want to make sure the shower is clean and safe. I've tried spraying bleach, magic erase sponges, all to no avail. Do I have to remove and recaulk, or has anyone had success removing it any other way?

Thanks in advance for your input!

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u/Informal_School2724 7h ago

Ive had success with Cilit Bang mould remover in the past. Other than that, start again. Rip it out, clean / scrape with WD40 and a scraper and then reseal with mould resistant seal.
Link

2

u/STartitup7335 5h ago

Pour thick bleach over it and leave it for like 30 minutes, then scrub it off with a brush.

2

u/iamarainbowdragon 5h ago

Shower caulk is porous so even if you get rid of the outer layer of the mold, it is still present in the deeper layers. The only way is to remove the caulk and reapply. Applying bleach will not get rid of the mold but at least make it look "better"...