Re: Fixture cleaning

I like TSP, used to use it, it also pinholes aluminum. But when it started getting hard to find (when Home Depot stopped carrying it) I switched to Cascade dishwashing powder. Never tried Calgon. Don't know squat about the insides of car engines, sorry.

GWE

Please comment on the differences between Cascade and Calgon dishwasher detergent and TSP. I am particularly interested in the reaction with and attacking of aluminum.

Many engine rebuilders and mechanics use Calgon as a cleaner for engine cooling systems especially if the system has been contaminated by an exchanger or gasket failure or when cleaning and flushing the system to upgrade from standard ethylene-glycol coolant to any of the non E-G compatible long life coolants. The corrosive effects of the cleaner is of great concern since most modern engines make significant use of aluminum and particularly aluminum radiators. I have used Calgon in both newish and very old radiators and have not experienced any problems but the cleaner is not in the engine for an extended period and is flushed thoroughly. I have not done any tests and am unable to do much of an internal inspection.

TIA


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