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I Forge Iron

pickling copper


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For me the easiest to get and cheapest is PH down or PH minus seen it labeled both ways.
I buy it at Walmart. It is for balancing the ph in a pool or spa. According to the label same material as sparex but a lot cheaper. Mix as much as will displve in hot water.

Also good to cleaning scale from iron but dont use the same batch to do both as Iron in the solution used for copper the copper will come out of suspension and coat the steel

Some peole are alergic to it so were gloves and dont get it on skin.

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