I emptied a full bottle into just 3 liters of water, it was strong enough for me to have to leave the room for 10 minutes due to coughing like crazy.
Admittedly it did soften the paint but not enough to actually get it off.

The main issue I have (and its why I havn't finished it with a wire wheel) is getting in the nuts and crannies...its just not possible with the wire brush or the wire wheel