99.5% acetic acid with calcium

[eli@fijireefrock.com]

it is in powder form
certificate of analysis

acid insoluble substance.....................................0.03 %
magnesium and alkali salts.................................0.50%
heavy metals............................................ ........0.0005%
CaCo3............................................. .................98.7% to 100.5%


shouldn t calcium carbonate start to dessolve in a liquid sustance that at low ph