Must have for cleaning aluminum boats and pontoons.
100% effective on aluminum pontoons. Best value for money because you get a gallon and can dilute. I have used a 1 part solution to 4 parts water for maximum strength on boats that have sit in water for months. Removes months old water scum with no scrubbing. Simply spray on, let it soak in for about 2-5 minutes and rinse off.  Just use caution in confined areas such as between pontoons as any product like this produces harmful vapors. Mildly caustic, I recommend one wear gloves if chance of direct contact is likely. Appears to be effective only on bare aluminum products. Do not expect same results on non-aluminum metals without testing. I know it did not react on painted metal siding in one test, but it is not intended for that.
Rating: 5 stars