Yes neutralize the wood will brighten it.

I use a mixture for the following reason:
Oxalic is more harmful, but much better than Citric.
Citric cost more.


I will be glad to help you anyway I can. shoot me a email at tsmith@semo.edu. I'm not a chemical or equipment distributor - not trying to sell you anything.

My 4-Step Wood Restoration Process has work great for me.

TIDALWAVE

Exterior Pressure Restoration & Sealant

Midwest Pressure Washing Group
"Protect & Increase the Value of Your Property"