Originally Posted by
metalmayhem
I have a container of paint thinner doing the same thing right now , minus the bubbler .
If I ran a high volume shop then I'd be recycling in house . A company I worked for yrs ago had a machine for recycling our coolant , it worked more or less like a pasteurizer . It worked super well at bringing life back to skanky coolant and we never sent it out to the recyclers . Suck coolant out of the cnc tanks and hours later it was good to go . The best job done on that coolant was done by an ex dairy farmer who always laughed that it reminded him of being on the farm