We've just spent a lot of time cleaning our 20 old redwood deck. Used
tsp+bleach+tide. I powerwashed that and then we used a 2 part water 1
part bleach mix to finish up. that took off the remaining mold and
mildew. The deck now appears a light tan color. We also used oxalic acid
on a few hidden patches to see the effect. As expected, it lightens the
Last night I tested a few patches with Penofin oil (cedar color - blue
can) seems to be their recommendation for redwood. I put it on with a
small natrual bristle brush. It turns some of the patches very dark and
others just a blotchy tan.
Anybody out there had better success with redwood and Penofin. I always
hear raves about it, but it certainly doesn't do it for me. Is there
some special way to apply it?