CNC Bridgeport Coolant - Again

edited June 2013 in cnc
Added another five gallons today (really four gallons cause I don't fill the bucket to the top).

There must be a way to test the concentration of the coolant.  I'm blindly adding water / Rustlick at a ratio of two cups per four gallons each time.  If only the water is evaporating then the mix is getting more concentrated over time.  There must be a way to test the concentration so that it can be kept at the right ratio.

Any ideas?

Well, worst case, a more concentrated mix is better - I think.

Jim

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