Yea, Latex is a very porous paint, so very logical.
Only the 2 pack hi gloss Acryls/latex are waterproof.
As for hand tools, I got many, I too enjoy the silence, but power gets things done...….
Scott, yea, Black Sea is amazing, I've cruised the Turkish and Bulgarian coast a lot, lot's to see and very interesting culture wise. But it's a rough ride, short steep waves that really rock the boat.....
Good for heavy Monohulls with lots of displacement, helps them keep momentum.
all d best.