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4 answers

It is called mold,get a good cleaner mix with hot water,scrub brush and use some elbow grease.

2006-09-23 22:10:53 · answer #1 · answered by Dfirefox 6 · 0 0

Bleach; sodium or calcium hypochlorite. I use it on all algae, like on windows. It works like magic.

2006-09-23 22:15:50 · answer #2 · answered by zee_prime 6 · 0 1

Full strength vinigar works for me. It also works on refrigerator gaskets.

2006-09-23 22:21:05 · answer #3 · answered by cat33 2 · 0 1

10% bleach solution will remove it

2006-09-23 22:14:26 · answer #4 · answered by myothernewname 6 · 0 1

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