What is this yellow staining at water level? New pool, salt for SWCG just added yesterday.

pewl

Well-known member
Aug 3, 2018
88
Coastal SoCal
Pool guy added 200 pounds of AquaSalt yesterday to get the SWCG up and running. Pool is a little over a month old. I watched on the video and he also poured a solid orange plastic gallon-ish -sized bottle of liquid along the side (which I assume was muriatic acid) and a solid white bottle (chlorine?) right into the skimmer. Here are the stains that showed up right at/an inch above the water line:

97081 97082
 

pewl

Well-known member
Aug 3, 2018
88
Coastal SoCal
You're right- I bet it is pollen. It doesn't come off all that easily, though. I can lighten it a bit, but it's still yellow. Anything I can use on it?
 
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