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I always have the hardest time finding fresh liquid chlorine in the spring. The stores only seem to have old stock. I typically buy the HDX brand from Home Depot but right now all of the stores in my area only have chlorine dated 2020 :( I bought a few gallons of 10% from Walmart yesterday...

Has anyone used Metal Magic without doing an AA treatment first? Was it successful? MM claims that it will remove stains from the surface as well as sequester them so I’m wondering if AA is necessary. I’ve attached a pic of my 20k gal iron stained pool.

Moved from here. How would you filter out the oxidized iron? I’ve been battling iron stains for 3 years and my biggest problem is that the stains keep redepositing after the AA treatment. I want to remove them from the pool water. I have well water so a drain and refill isn’t an option.