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

4.3 out of 5 stars 993 ratings

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Purchase options and add-ons

Brand Zinsser
Product Benefits Brightening, Lightening
Item Form Liquid
Material Type Free Harmful Chemicals Free
Surface Recommendation Wood

About this item

  • 8 Ounce Set (Pack of 1 unit part A, 1 unit part B)
  • Made in US
  • Use as a wood brightener on any new or stripped interior wood surface to lighten wood and create a more uniform Color
  • Powerful formula bleaches and brightens all wood surfaces bringing out the natural beauty of wood
  • Apply two solution process, let stand overnight to dry and sand lightly
  • Easy to apply bleach on wood works on most stains and finishes
  • Test in an inconspicuous area before applying, read all instructions prior to use

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From the manufacturer

Zinsser 300451 Wood Bleach, 8 oz

When you need to lighten the shade of any wood surface, Rust-Oleum Zinsser Wood Bleach does the job. This powerful solution brightens, evens out color variations and brings out the authentic beauty of natural wood.

  • Bleaches – new and stripped wood to a lighter, more uniform color
  • Brightens – good for use on all wood surfaces
  • Works on most stains and finishes
  • Easy-to-use, effective, powerful formula
  • Designed to bring out natural beauty of wood

Product information

Technical Details

Manufacturer ‎Rust-Oleum
Part Number ‎300451
Item Weight ‎1.31 pounds
Product Dimensions ‎3.25 x 3.06 x 6.13 inches
Country of Origin ‎USA
Item model number ‎300451
Is Discontinued By Manufacturer ‎No
Size ‎16 Ounce (Pack of 1)
Color ‎8 Ounce (Pack of 1 unit part A, 1 unit part B)
Style ‎8 Ounce Set (Pack of 1 unit part A, 1 unit part B)
Item Package Quantity ‎1
Included Components ‎Wood Bleach
Batteries Included? ‎No
Batteries Required? ‎No

Additional Information

ASIN B01MXDS72Z
Customer Reviews
4.3 out of 5 stars 993 ratings

4.3 out of 5 stars
Best Sellers Rank
Date First Available November 8, 2016

Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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


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Product Description

Zinsser wood bleach is designed to brighten all indoor wood surfaces including trim, paneling, floors and furniture. Easily bleaches new or stripped wood to a lighter, uniform appearance bringing out the natural beauty in wood.

Product guides and documents

Top Brand: Zinsser

Highly Rated
50K+ customers rate items from this brand highly
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Important information

Directions

Use as a wood brightener on any new or stripped interior wood surface to lighten wood and create a more uniform Color. Apply two solution processes, let stand overnight to dry and sand lightly. Easily bleaches new or stripped wood to a lighter, uniform appearance bringing out the natural beauty in wood.

Customer reviews

4.3 out of 5 stars
993 global ratings

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Customers say

Customers report that the wood bleach works well on various types of wood, including red oak kitchen cabinets and walnut, and effectively whitens natural tones. The product is simple to use, and while some customers find it worth every cent, others consider it not worth the money. The bottle sealing is problematic, with multiple reports of leaking bottles, and while some customers report no odor, others find the smell too harsh. The bleaching ability receives mixed feedback, with some saying it does a great job while others mention it doesn't work on large areas.

124 customers mention "Works great"111 positive13 negative

Customers find that the wood bleach works great, particularly on red oak kitchen cabinets and walnut surfaces.

"Works great. I orderd a box to try to lighten an over 100 year old hand-hewn mantle for my fireplace...." Read more

"Worked great. Kinda small. Did two coats ." Read more

"...Before and after photos show it all after just one application. Great product! Updated with extra photos...." Read more

"This was not only effective but extremely easy to use. I can’t wait to utilize it for more refinishing projects." Read more

51 customers mention "Color change"40 positive11 negative

Customers are satisfied with the wood bleach's ability to change the color of wood, whitewashing its natural beauty and revealing red and yellow hues.

"...So far, things are looking good...." Read more

"Achieved a Beachwood effect look on my dresser. Works wonders!" Read more

"This bleached my black walnut veneer (on a test piece) very well...." Read more

"...as I would have liked and any kind of finish (even a clear coat) darkens the wood. So I decided to try wood bleach...." Read more

45 customers mention "Ease of use"42 positive3 negative

Customers find the wood bleach easy to use, with clear instructions, and one customer mentions completing a single 10-minute application on red oak plywood.

"Easy to use and worked exactly as I’d hoped to get the yellow out of this pine table I was refinishing!" Read more

"...Product was easy to use and the for was minimal...." Read more

"...wood bleaches in the past, this product worked great and was very easy to use...." Read more

"...Easy to apply. I couldn’t find this at any local stores." Read more

25 customers mention "Wood lightening"25 positive0 negative

Customers find that the wood bleach effectively lightens various types of wood, including darker oak and red oak floor transitions, with one customer noting it removes even the darkest spots.

"Worked well on a rifle hand guard (1918). Lightened it well enough to match the forestock. Only problem was the bottles were leaking slightly...." Read more

"...sure to do at least 2 times , but exactly what is described made the world a lot whiter, just wish, it came a lot bigger or they sold bigger!!" Read more

"...It definitely lightened the wood as expected, and if I could go back, I'd use it again. Thank you!" Read more

"...On flat areas it worked exceedingly well, it lightened the wood to the point that the darker area disappeared...." Read more

48 customers mention "Bleaching ability"28 positive20 negative

Customers have mixed experiences with the wood bleaching ability of the product, with some reporting it does a great job on stains while others mention it doesn't work on large areas and leaves brown marks.

"...This product does work however. It definitely will bleach your wood...." Read more

"Waste of money. It did not bleach wood. Tried on two different fully sanded items." Read more

"...This product did a magnificent job bleaching the top after I had sanded it. It took about 3 coats to achieve the level of 'driftwood' that I desired...." Read more

"...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..." Read more

32 customers mention "Value for money"15 positive17 negative

Customers have mixed opinions about the value for money of the wood bleach, with some finding it worth every cent and describing it as a quality product, while others consider it not worth the money and a total waste of money.

"Waste of money. It did not bleach wood. Tried on two different fully sanded items." Read more

"...Excellent value for the money." Read more

"...way better so it lost a star because it's really only good in certain application conditions because I had to apply it to wood already attached to..." Read more

"...objects, this package was just the right size, and the cost was reasonable for my application." Read more

9 customers mention "Odor"6 positive3 negative

Customers have mixed opinions about the odor of the wood bleach, with some reporting no smell while others find it too harsh.

"...There was no odor so I was very skeptical of this even working...." Read more

"...The two components when mixed create a noxious gas. Apply the lye component first and the peroxide component second. It works fabulously...." Read more

"...Even after standing it, it was still stained. 100% recommend. No harsh smell...." Read more

"...Very pleased with wood bleaching results. Happily surprised with mild fumes and mild odor...." Read more

10 customers mention "Bottle sealing"0 positive10 negative

Customers report issues with the bottle sealing, noting that it leaks and is not properly sealed.

"...However it arrived with the seal broken and leaking I need to use this and don't have time to deal with manufacturer or returning...." Read more

"...Only problem was the bottles were leaking slightly. Would recommend it." Read more

"Was not sealed properly and leaked out." Read more

"Seal was broken on bottle A and part of the contents gone. would not give refund and could not return." Read more

UPDATE: Bleaching completed - excellent product!
5 out of 5 stars
UPDATE: Bleaching completed - excellent product!
UPDATE: The process has been completed. I must say, I’m very impressed. Before and after photos show it all after just one application. Great product! Updated with extra photos. The last two photos are a before (technically during the very beginning) and after. The two front legs are shown side by side for comparison of the color difference. That is the actual dark color of the wood of that one leg as seen in that very first full chair photo. I had forgotten to take a side by side pic while it was dry, and only remembered after I had just applied the bleach treatment. It looks like a dark varnish because it is wet, but that was actually the mismatched dark color of that one leg. The final pic was taken the following day after the bleach process ran overnight. Simple and very effective product. Would absolutely recommend! :D I found a set of 4 Adrian Pearsall Dining chairs at a yardsale a couple years ago for an absolutely dirt cheap $10. They had been painted over numerous times in their lifetime and apparently reseated and/or at least reupholstered, but looked serviceable enough to attempt a rescue. After stripping the thick tan paint and original dark finish off the first chair, I found a beautiful honey-blonde mahogany under all that goop. Things were looking really good for the final outcome of this chair and got me excited to work on the rest, until I got to the left-front leg. That leg was an oddball mismatch of a significantly darker color than the rest of the honey-blonde wood. I put an extra coat of stripper on the leg, but that made no difference;this was the color of the wood. There's no doubt that it came from the factory like this, and I guess they figured, "use it, it's gonna have a dark finish over it anyway, who's gonna know?" I did some research, and talked with ppl in forums, and decided to attempt to bleach this leg to a closer match to the rest of the wood rather that stain all that great honey-blonde mahogany darker to match. Last night I did just a quarter sized q-tip spot test on the inside just to see, and there was a noticeable difference even within a few hours, so I decided to get one face and the edges started this afternoon. So far, things are looking good. Applied by pouring on just a little puddle of bottle A and smearing it around with a paintbrush, let it sit for about 7 minutes, then did the same using bottle B. Now it just sits. Currently awaiting the results which might take a while, but I'll update with more pics and results. Original: I’ve only just spot tested this for the moment, but after just 2 hours, there’s a significant difference in the color of the wood I’m trying to lighten. I’ll update with before and after pics and description once I get the process going. So far though, very pleased with the test outcome.
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Top reviews from the United States

  • Reviewed in the United States on October 14, 2018
    UPDATE: The process has been completed. I must say, I’m very impressed. Before and after photos show it all after just one application. Great product!

    Updated with extra photos. The last two photos are a before (technically during the very beginning) and after. The two front legs are shown side by side for comparison of the color difference. That is the actual dark color of the wood of that one leg as seen in that very first full chair photo. I had forgotten to take a side by side pic while it was dry, and only remembered after I had just applied the bleach treatment. It looks like a dark varnish because it is wet, but that was actually the mismatched dark color of that one leg. The final pic was taken the following day after the bleach process ran overnight. Simple and very effective product. Would absolutely recommend! :D

    I found a set of 4 Adrian Pearsall Dining chairs at a yardsale a couple years ago for an absolutely dirt cheap $10. They had been painted over numerous times in their lifetime and apparently reseated and/or at least reupholstered, but looked serviceable enough to attempt a rescue.

    After stripping the thick tan paint and original dark finish off the first chair, I found a beautiful honey-blonde mahogany under all that goop. Things were looking really good for the final outcome of this chair and got me excited to work on the rest, until I got to the left-front leg.

    That leg was an oddball mismatch of a significantly darker color than the rest of the honey-blonde wood. I put an extra coat of stripper on the leg, but that made no difference;this was the color of the wood. There's no doubt that it came from the factory like this, and I guess they figured, "use it, it's gonna have a dark finish over it anyway, who's gonna know?"

    I did some research, and talked with ppl in forums, and decided to attempt to bleach this leg to a closer match to the rest of the wood rather that stain all that great honey-blonde mahogany darker to match.

    Last night I did just a quarter sized q-tip spot test on the inside just to see, and there was a noticeable difference even within a few hours, so I decided to get one face and the edges started this afternoon. So far, things are looking good. Applied by pouring on just a little puddle of bottle A and smearing it around with a paintbrush, let it sit for about 7 minutes, then did the same using bottle B. Now it just sits.

    Currently awaiting the results which might take a while, but I'll update with more pics and results.

    Original:

    I’ve only just spot tested this for the moment, but after just 2 hours, there’s a significant difference in the color of the wood I’m trying to lighten. I’ll update with before and after pics and description once I get the process going. So far though, very pleased with the test outcome.
    Customer image
    5.0 out of 5 stars
    UPDATE: Bleaching completed - excellent product!

    Reviewed in the United States on October 14, 2018
    UPDATE: The process has been completed. I must say, I’m very impressed. Before and after photos show it all after just one application. Great product!

    Updated with extra photos. The last two photos are a before (technically during the very beginning) and after. The two front legs are shown side by side for comparison of the color difference. That is the actual dark color of the wood of that one leg as seen in that very first full chair photo. I had forgotten to take a side by side pic while it was dry, and only remembered after I had just applied the bleach treatment. It looks like a dark varnish because it is wet, but that was actually the mismatched dark color of that one leg. The final pic was taken the following day after the bleach process ran overnight. Simple and very effective product. Would absolutely recommend! :D

    I found a set of 4 Adrian Pearsall Dining chairs at a yardsale a couple years ago for an absolutely dirt cheap $10. They had been painted over numerous times in their lifetime and apparently reseated and/or at least reupholstered, but looked serviceable enough to attempt a rescue.

    After stripping the thick tan paint and original dark finish off the first chair, I found a beautiful honey-blonde mahogany under all that goop. Things were looking really good for the final outcome of this chair and got me excited to work on the rest, until I got to the left-front leg.

    That leg was an oddball mismatch of a significantly darker color than the rest of the honey-blonde wood. I put an extra coat of stripper on the leg, but that made no difference;this was the color of the wood. There's no doubt that it came from the factory like this, and I guess they figured, "use it, it's gonna have a dark finish over it anyway, who's gonna know?"

    I did some research, and talked with ppl in forums, and decided to attempt to bleach this leg to a closer match to the rest of the wood rather that stain all that great honey-blonde mahogany darker to match.

    Last night I did just a quarter sized q-tip spot test on the inside just to see, and there was a noticeable difference even within a few hours, so I decided to get one face and the edges started this afternoon. So far, things are looking good. Applied by pouring on just a little puddle of bottle A and smearing it around with a paintbrush, let it sit for about 7 minutes, then did the same using bottle B. Now it just sits.

    Currently awaiting the results which might take a while, but I'll update with more pics and results.

    Original:

    I’ve only just spot tested this for the moment, but after just 2 hours, there’s a significant difference in the color of the wood I’m trying to lighten. I’ll update with before and after pics and description once I get the process going. So far though, very pleased with the test outcome.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
    45 people found this helpful
    Report
  • Reviewed in the United States on June 12, 2025
    Achieved a Beachwood effect look on my dresser. Works wonders!
  • Reviewed in the United States on March 21, 2025
    Worked well on a rifle hand guard (1918). Lightened it well enough to match the forestock. Only problem was the bottles were leaking slightly. Would recommend it.
  • Reviewed in the United States on May 31, 2025
    My new woodworking secret to get rid of stains w/o the heavy chemicals
  • Reviewed in the United States on September 26, 2023
    I wanted a blonde colored dining table but couldn’t find one at a price I could afford, so I found a beat up (solid wood) dining table for cheap and refinished it. This was very time consuming overall, but the bleach part was easy and worked wonderfully. I first used 2-3 jugs of Citristrip, leaving each coat overnight covered in plastic wrap. The previous stain and clear coat was very thick and required a lot of stripper to get off. Then I did a lot of sanding all by hand (weeks worth). The table still wasn’t as light as I would have liked and any kind of finish (even a clear coat) darkens the wood. So I decided to try wood bleach. I have never done anything like this before and I found it easy, just the sanding was incredibly tedious. Once I finished sanding (starting with coarse sand paper and gradually increasing the grit), I used this wood bleach as per the instructions, then did some more sanding, used a wood conditioner (a few coats), and finally applied 4-5 clear coats and voila. This table seats 6-8 comfortably and I only needed one box. Another reviewer said to buy 2, so I did and I regret it because these are not returnable on Amazon. So now I have an extra box and no desire to ever refinish another piece of furniture. But overall I LOVE my new dining table and it was worth the effort to get the table I wanted for less.
    Customer image
    5.0 out of 5 stars
    Used this to refinish a second hand dining table

    Reviewed in the United States on September 26, 2023
    I wanted a blonde colored dining table but couldn’t find one at a price I could afford, so I found a beat up (solid wood) dining table for cheap and refinished it. This was very time consuming overall, but the bleach part was easy and worked wonderfully. I first used 2-3 jugs of Citristrip, leaving each coat overnight covered in plastic wrap. The previous stain and clear coat was very thick and required a lot of stripper to get off. Then I did a lot of sanding all by hand (weeks worth). The table still wasn’t as light as I would have liked and any kind of finish (even a clear coat) darkens the wood. So I decided to try wood bleach. I have never done anything like this before and I found it easy, just the sanding was incredibly tedious. Once I finished sanding (starting with coarse sand paper and gradually increasing the grit), I used this wood bleach as per the instructions, then did some more sanding, used a wood conditioner (a few coats), and finally applied 4-5 clear coats and voila. This table seats 6-8 comfortably and I only needed one box. Another reviewer said to buy 2, so I did and I regret it because these are not returnable on Amazon. So now I have an extra box and no desire to ever refinish another piece of furniture. But overall I LOVE my new dining table and it was worth the effort to get the table I wanted for less.
    Images in this review
    Customer imageCustomer image
    25 people found this helpful
    Report
  • Reviewed in the United States on May 21, 2025
    Waste of money. It did not bleach wood. Tried on two different fully sanded items.
  • Reviewed in the United States on April 5, 2025
    works great, make sure to do at least 2 times , but exactly what is described made the world a lot whiter, just wish, it came a lot bigger or they sold bigger!!
    One person found this helpful
    Report