Originally Posted by JW51
I got most of the way through the flush process today. Any harm in leaving the TSP solution in it overnight?

No problem at all- - - -it's just laundry detergent on steroids! My gun bluing preclean solution stays in the tank for months, but those tanks are made from 1/16" thick stainless steel. The stuff crystallizes, but it redissolves as soon as the water gets hot.
Jerry
'

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