No need to measure small volumes. Using an empty jug, measure volume increments into the jug. Mark the outside of the jug. Transfer marks to new jug. Estimate according to the mark while pouring. Minimize risk. If MA makes you uncomfortable don't use it. Period. Use dry acid. All that money spent on safety equipment that didn't work in this instance can buy a lot of dry. Pools are supposed to be fun people.
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This. If I have to look like Darth Vader when taking care of my pool, I will go back to traditional methods of pool care...