Hello, i made a mix of iron DTPA 11.6% + K2SO4 + MgSo4, it was really long to dissolve when I added magnesium then potassium there was a sound like soda in a glass (maybe just simple reaction). I used RO water, i wanted to add citric acid but though that DTPA being an acid maybe it wasn't necessary? does the iron in still chelated? thx
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