[Ice Czar]

Originally Posted by Ted Throckmorton

I use a lot of vinegar for cleaning all types of things due to it being relatively safe to use.

or drink

other organic Carboxylic acids can be relatively safe and useful at a low dilution level
Oxalic acid in particular is often employed in metal smithing (rust remover\ silver pickling \ cleaning brass, copper ect) but its important to treat it with alot more respect than vinegar