You are precipitating metals out of the water when you add bleach - this is a good thing - the metal magic is binding with the metals turning them into a salt so that they can be filtered out. I would take the chlorine up to 5ppms - doing it slowly by using bleach - I would put 1/2 jug of bleach in, let it cloud, and add more. Get it up to 5 or 6ppms. You are losing the chlorine because the chlorine is getting used up with the metal magic. It is clearing the pool. You can also use a floc if you run out of patience. You can put it in, let it circulate and turn the filter off overnight. Vacuum to waste in the morning. Don't let the ph get any higher than 7.4, you may want to bring it back down to 7.2. Let us know how you do

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