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I’m curious to know where you got the Jacks Magic? Very difficult to get in Canada and the few place I found it were very expensive, like 60-80$ a bottle?

Correct, as Mdragger wrote you put the sequester after the AA has removed all the stains. Remember to set your pump to Recirculate when you do this. Here is the article for instructions: Ascorbic_Acid_Treatment.

Bonjour JP 😊 I was reading your earlier post and you mentioned Citric Acid? If you have iron, you must use Ascorbic acid (vitamin C) which is different. Since removing those decorative rocks near our pool, we do still have some yellow staining on the walls but it is much lighter, and the water...

Hmmm good point. Could the chlorine be the differentiating factor though? Perhaps the rust on the rocks isn’t enough to stain the pavers, but oxydation with chlorine is? In any case, we decided to remove them all! Once the AA treatment completes, we will drain and replace as much water as...

So we finally got the algae under control and have begun the AA treatment again. Pool is crystal blue and I can’t stop staring at it haha! So something dawned on us as we were once again contemplating possible sources of this iron… we have these decorative black rocks right near the pool, along...

Quick update, still slamming with FC at 12.6 and CC at 2.0, but water has definitely begun to clear, I can see the bottom perfectly. But as expected the iron is back in full effect! Walls are mustard yellow, and both the polyfill and Culator are finally picking up some brown stuff. My...

Still very low at 2ppm last I checked today. First time slamming too ☺️ did not realize how much liquid chlorine was needed so we will need to go get more tomorrow.

No fertilizer. And the Polyfill still looks white. I’ve never used it before, should I be seeing something after 1 day? Or is it because the iron isn’t oxized enough? Or because it’s still sequestered from the metal remover? I’ve read so many things here I can’t keep the chemistry straight...

Just had the city come by and perform an iron test on our supply tap water (garden hose) and it read a measly 0.11 ppm, so it is not the source of our iron. Also had the sand in our filter changed a couple weeks ago, in case there was a physical chunk of something stuck in there, so that’s not...

Thanks for the response. We do have a K-2006C kit and have been using it for all water testing. The problem with slamming is that it negates the entire AA/sequester process and it’s a do-over every time. It’s getting frustrating and very expensive 😞 Did not notice any discolouration elsewhere in...

This is our third time this summer where the water turns that slight teal green colour and our white walls turn yellow. Did the AA treatment each time, but this is the first time the water remains green. Brought TC to zero, put in some “HTH Extra 60%” algaecide, dumped in the AA and let it...