Stain in Fiberglass Sink from?

BennytheDog

Bronze Supporter
Nov 26, 2020
8
Sarasota, Florida
Pool Size
10000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-9)
I was using a utility sink for my pool water testing area. I was wetting the sink prior to pouring out any used test solutions but I now have a dull blue stain where I was doing the FAS/DPD chlorine testing. Is there any way I can remove that stain from the fiberglass sink?

Needless to say, I don't do any testing in that sink area anymore.

Thanks
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
37,141
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
The R0870 powder can stain pretty bad. Normally a purple color if I remember.

Might have to wear off.