Yellow-Brown Stain in the Deep End

Drsafety

Well-known member
Jul 8, 2011
77
Hello. I have been following the trouble free pool method since 2013 with success! Well, after adding a few 40 pound bags of salt, I have my first mystery. After the salt dissolved, I noticed a yellow-brown stain in the exact spot where the salt was dumped. I have tried brushing the stain away with no luck. The salt was Diamond Crystal (blue bag). Thoughts? Thanks!

FC 7
CC 0
PH 7.5
TA 70
CH 175
CYA 60
Salt 3400
 

Drsafety

Well-known member
Jul 8, 2011
77
Here’s my signature...
20 x 44.5 single roman end, ~33,000 gallons, 10 feet deep, garrett vinyl liner, Hayward SwimClear Cartridge Filter, Hayward 2 HP Pump, Cirrcupool RJ60 SWG, Hayward 140k BTU Heater, Polaris 380 with Booster Pump
 

revitup

Gold Supporter
Bronze Supporter
Nov 30, 2019
434
Pawleys Island, SC
Pool Size
8500
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-15)
Iron stains from salt? Is that a thing?
 

JamesW

TFP Expert
Mar 2, 2011
24,141
It's a thing.

 
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