Boat owners & fishermen out here on the wet coast use Sikkens.

I've used it for years on my south facing solid cedar garage doors with great success; however, that is in a vertical application & not constantly getting wet like a deck would so I don't know how it would work there.

The neutral or natural colour has very little pigment in it to let the grain show through & it is very viscous (like water) for excellent absorption into the wood...

TAM