Zinsser 300451 Wood Bleach, Part A and B, 8 Ounce (Pack of 2)

Easy to use and worked well on a red oak turning. I followed the directions and did two applications. It took the pink undertone out of the red oak and left it noticeably whiter.

I want repurpose some oak shelves, so after sanding to remove polyurethane, I wanted to lighten the oak to make it less reddish and appear more "sun bleached." To test it out, I applied the parts A and B as instructed to a section of the oak and after 24 hours, the wood was much lighter... so, it really works well! I would use again on projects but I'm not sure I will use it on the rest of the oak because it had a bit of a pale yellow shade from pigments remaining in the oak. But, bottom line, this definitely works and it is very easy to use.

Giving it a four for poor directions and lack of information from the manufacturer. Wipe off the foam!!!!! - I was refinishing an old red oak dresser I got for free from a barn. I stripped the piece to bare wood and sanded with 80 grit. I put on my first coat on the drawers and there was a lot of foam in the corners. I neglected to wipe the foam off and it left blotches that even a second coat couldn't get out. It bleached the piece, but you can still see where the areas of foam bleached deeper and I couldn't get it to even up with a second application or sanding. The directions don't discuss foaming. I put both chemicals on with a cheap nylon brush and wiped with a couple simple sponges. Be sure to wipe it even and wipe away foam as you're applying. The top turned out better than the drawers (but I did the top after I did the drawers. And I wiped the foam back on the top.) There were areas of white grit after it dried, they sanded out easy except for the foamy areas. The top finished beautifully, the drawers ... I did the best I could. Probably should have tried a darker stain but I wanted the tawny color. 🤷🏽‍♀️

(Note: Not sure why Amazon is asking me to rate the "sheerness" of a chemical product, so I left that one blank.) For whatever reason, wood bleach of any description is extremely difficult to find right now -- at least in the U.S. Apparently it's everywhere in Canada -- go figure. Most Canadian dealers, however, will not sell this product to you if you live in the States, so I was pleased to find it available on Amazon. This is the real stuff -- wood bleach. It will actually remove the natural color from most woods. You will find many people who tell you that you can bleach wood with regular laundry (chlorine) bleach, or oxalic acid. Maybe under certain ideal circumstances you can, but I've always found that those methods will remove -stains- from wood, but not much (or any) of the natural color. Also, oxalic acid is extremely toxic, and I'd rather not have to use it. This stuff will. It's the real deal. Two solutions, one of concentrated sodium hydroxide, and the other of concentrated hydrogen peroxide. Yes, there are some hazards with these chemicals, but if you follow instructions and wear appropriate gear (goggles, rubber gloves, filter mask) and take reasonable care, you will be fine. This works on all wood, although the effect is more pronounced on some wood than on others. I used it on red oak -- which it basically bleached to white oak, and also on mahogany, where the effect was more subtle, but still notable. If it doesn't bleach enough on the first pass, you can repeat the application and get a lighter shade on the second go. One pass worked on the oak; I needed two to get the shade I wanted on the mahogany. Each application cycle takes overnight, until everything is dry. Although I did find that you can accelerate this process somewhat with a heat gun. If you need to bleach a large area, you may want to look into whether this comes in larger containers, given the price. Since I was working on small objects, this package was just the right size, and the cost was reasonable for my application.

Works great on hardwood floor, recommend trying on a small area first, the exact steps must be followed, some sanding maybe required before application, I used it to remove a dark pet pee stain.