Re: Integral Tank Cleaning With Ammonia

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September 2, 2015 at 12:03 pm #23035
jim-moffatt
Participant

    US Member

    I’m sure the rustoleum product works great. But you can also use Harbor Freight Evaporust at $10 per quart. Its biodegradable and non toxic.It has to be at least 70 degrees to work but on a hot day it works in several hours. Its only for rust