Its important that once HF has been used to remove the oxidisation, that a clear sealer be applied such as Nyalic or similar, which stops any...
The best acid to vlean aluminum is the Hydro Fluorhidric, combined with Phosphoric acid, they brighten alumminum. I suggest to look for aluminumm...
The alternative to a RIB is a RBB (Rigid Buoyancy Boat) take a look at www.typhoonboats.com.au ...the attributes of one, cross over to the other....
I love the "pig dog ugly" comment ....yes it is true that it is exceptionally diffficult to get an Aluminium RIB looking half decent, but the...