Defy Exterior Wood Brightener

$32.99
free shipping with ground services
 Back to: Defy Wood Restoration Products

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-Please note that you may receive the new or older labels during this transition period!

Defy Wood Brightener Label Change

Defy Exterior Wood Brightener is an oxalic acid deck brightener for wood deck cleaning that removes dirt, grime, tannin, rust and fungi stains from wood surfaces. Find out how to clean your wood deck for the best results to restore the wood?s natural beauty. Defy Wood Brightener is a liquid concentrate that is mixed 5:1 with water to brighten and restore the natural beauty of exterior wood.

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  • Restores the rich look of new wood
  • Won't harm most plants or shrubbery
  • Removes tannin and rust stains
  • Biodegradable
  • Neutralizes strippers
  • Helps stains penetrate

Defy Wood Brightener removes tannin and rust stains and is recommended for use on all species of wood, including redwood. Defy Wood Brightener will not harm wood fibers, grass or most plants when used properly.

Defy Wood Brightener is recommended for surface preparation prior to initial application of clear finishes and stains. It is used as a neutralizer and brightener for all wood species that have been cleaned with Defy Wood Cleaner. For best results, use Defy water repellent wood finishes.

How to clean your wood deck with oxalic acid deck brightener
Even new wood needs cleaning to remove mill scale, making the surface more porous to easily absorb deck stains. Defy Wood Brightener is the 2nd step in a 3 step system to maintain your deck and keep it looking like new. The 3 steps are:

  1. Brighten using Defy Wood Brightener
  2. Apply Defy water repellent wood stains

Product Data Sheet

Defy Wood Brightener is a liquid concentrate sold in 1 gallon containers. 1 gallon of Defy oxalic acid deck brightener makes 5 gallons of solution and will clean approximately 500-1,000 total square feet (or 100-200 square feet per gallon). Defy Wood Brightener is not formulated to remove intact paint, stain, or clear finishes and may dull painted and metal surfaces if not quickly rinsed.

Sizes: Gallons Only
Concetrate: Makes 5 Gallons
Coverage Per Gallon: 100-150 sq. feet
Temperature: 45-95 F
Application Tools: Sprayer, Mop
More Info: Product Data

 

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Reviews

Thursday, 19 October 2017

Excellent wood brightener for prep and to neutralize a deck cleaner/stain stripper.

thesealerstore

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  • We will reply to your comment shortly.
    HAppy40 · 10/15/2021
    Sanded down pine deck, looks good. do I need to clean and brighten before using stain, using defy clear. thanks
  • We will reply to your comment shortly.
    Paul · 10/07/2021
    Hi, I just used the cleaner on exterior red cedar planks on my house that were suffering from dark mold. The cleaner worked great! I am now going to use the brightener and then the stain but I was concerned about damage to the plants close to the house. Is the brightener harmful to outdoor plants in New England (lilac, blueberry bushes, forsythia...) ? Thanks
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    Julie · 09/17/2021
    Hi. We just finished a Western red cedar deck the end of August, some of the boards are showing black mold? How long do we wait to clean, brighten and stain for the first time? We are in the northeast and hopefully weather will permit staining, what's the lowest temp can we stain inwithout ruining? Thanks
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    Tee · 07/11/2021
    Hi, I used cleaner & power washed old neglected deck about a week ago....looks really good and better than I thought.  I'm waiting for brightener to arrive so this step hasn't been done yet.  It has been raining almost daily and I still need to sand a few areas. Looks like rain is still in forecast for another week or two so stain will be delayed.  I'm not sure if I should sand before using brightener or after? Will I need to redo cleaning process again due to rain delays before I stain? Thank you.
    • We will reply to your comment shortly.
      thesealerstore · 07/11/2021
      No need to sand. Just brighten and then wait 48 hours to stain.
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    EJ · 05/17/2021
    We have a new Ipe deck installed about 6 months ago and now need to seal - do we need to use brightener first, and if yes is it safe for Ipe?
    • We will reply to your comment shortly.
      thesealerstore · 05/17/2021
      You will need both the Defy Cleaner and then the Defy Brightener.
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    TK · 01/10/2021
    I stained my dock with 2 coats of Defy Extreme last year. Do you recommend coming back this year with another coat. If so, should I use your Brightener before applying stain.
    • We will reply to your comment shortly.
      thesealerstore · 01/10/2021
      Only coat if needed. Prep with the Defy Wood Cleaner.
      • We will reply to your comment shortly.
        Dan · 10/11/2021
        Follow up to this question, I stained my new deck last year with 2 coats of Defy Extreme last year. I plan on putting on a maintenance coat. I've ordered the brightener but I'm not 100% clear on whether or not I need to use the brightener over two coats of stain a year old. Would rather not if I don't have to but will if it is necessary.  Your advice?
        • We will reply to your comment shortly.
          thesealerstore · 10/12/2021
          You need the cleaner for prep when recoating, not the brightener.
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    Marcus · 10/06/2020
    I finished my pressure treated deck in late July. Is it too early to apply deck stain? I live in Chicago and if I do not stain it before December, I may have to wait till April 2021.
    • We will reply to your comment shortly.
      thesealerstore · 10/07/2020
      Wait at least 3 months. If timing does not work, then to in the Spring.
  • We will reply to your comment shortly.
    Mike · 09/30/2020
    For a new pressure treated deck, aged 6 months (installed March 2020)....do I need to use both the Cleaner and Brightener before staining with Extreme.....or is either one enough by itself for new wood?
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    Matt · 09/04/2020
    Will brightener harm paint on house?
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    Marcus · 08/08/2020
    Can I paint over DEF plastic wood filler and will the color look very different?
    • We will reply to your comment shortly.
      thesealerstore · 08/09/2020
      The Defy Stains will not "stain" wood filler to blend. Unfortunately, you should not have used wood filler on exterior wood, it will not work or blend.
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    Stacy · 05/02/2020
    After stripping the deck, do I have to brighten? May I just stain?
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    Bryan · 07/22/2019
    I am staining my dock over a freshwater lake. Is the wood cleaner and wood brightener safe for fish?
  • We will reply to your comment shortly.
    Mary · 08/22/2018
    I purchased a gallon of Defy Wood Brightener online. The label on the front of the jug says Wood Brightener but the label on the back says it’s Defy Exterior Stain Stripper and gives directions for the use of a stain stripper. Which is it? How can I tell if it’s the Brightener and not the stripper?
    • We will reply to your comment shortly.
      thesealerstore · 08/22/2018
      Did you order this from us? We do not see an order in your email address?
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    Kathy · 08/03/2018
    We have a large house and choose to side with white cedar. We thought we did our research, however we applied a stain that contained grape seed oil. Thankfully we only got 1/2 the house done but 1/2 of that is black now. We are going to do the thankless job of stripping and redoing it all. My gut is telling me To pull the boards, as they are tongue and groove and we stained behind them, and redo them all too. My questions, it’s is totally recommend to do all 3 steps? We also stained both sides we should take the boards off and redo both sides? This is going to be a long process but we want it right and the rest of the boards we have for the other 1/2 right the first time. Thanks
    • We will reply to your comment shortly.
      thesealerstore · 08/03/2018
      You will only need to strip and brighten the exposed wood, not the underside.
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    Jon · 07/11/2018
    We need to replace a few boards (pine or fir) before we finish the top.
    If we sand them with 80 grit and use the brightener on all of the deck can we then stain it?
    • We will reply to your comment shortly.
      opwdecks · 07/11/2018
      Yes, but those new boards will need another coat in 12 months or so.
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    Catherine · 07/10/2018
    How long is the Brightener good for once diluted & mixed?
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    Randy · 04/19/2018
    I'm staining the inside of a Gazebo roof (cedar planks), since there is a lot of trim boards, I was thinking about using a sprayer to apply the stain. Will this apply the stain evenly or do you recommend
    applying the stain with a brush?
  • We will reply to your comment shortly.
    Suzanne · 04/14/2018
    I have a new redwood deck that was installed just 8 weeks ago. Is it necessary to use the brightener or just cleaner before treating with Extreme?
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    Ancel · 02/04/2018
    I recently purchased a home on a freshwater lake and the deck and dock have been treated/stained with TWP Total Wood Preservative. If I strip and brighten the surfaces, will Defy Marine or Extreme produce good results. I noticed in an earlier Q&A that application over Cabot's will not work well, so I wondered if the same is true of application over TWP.

    Thanks,

    Ancel - Columbia, SC
    • We will reply to your comment shortly.
      thesealerstore · 02/04/2018
      As long as you remove the TWP bt stripping and brightening, you can use the Defy Marine or Extreme. Most would use the Extreme for this.
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    Ray · 01/21/2018
    Can I use your products on teak wood?
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    opwdecks · 10/29/2015
    Phil Mangan:
    I have a TREX accent deck with some areas that are discolored. Are the following products recommended by Defy to use safely on my TREX deck?
    1. Defy Wood Cleaner
    2. Defy Exterior Wood Cleaner?

    Thanks, Phil Mangan

    You can clean the Trex with the Defy Wood cleaner to remove dirt, mold etc. Not sure what you mean by discoloration as you cannot fix "fading" of the Trex.
  • We will reply to your comment shortly.
    Phil Mangan · 10/29/2015
    I have a TREX accent deck with some areas that are discolored. Are the following products recommended by Defy to use safely on my TREX deck?
    1. Defy Wood Cleaner
    2. Defy Exterior Wood Cleaner?

    Thanks, Phil Mangan
  • We will reply to your comment shortly.
    opwdecks · 05/15/2015
    dick burns:
    where can I buy just the defy brightener product in Mpls, MN

    We only ship online to your areas as we are a dealer.
  • We will reply to your comment shortly.
    dick burns · 05/15/2015
    where can I buy just the defy brightener product in Mpls, MN
  • We will reply to your comment shortly.
    opwdecks · 07/21/2014
    Susan:
    We just spent the weekend stripping old solid stain from our deck and we are now down to the natural wood. How long should we wait after the stripping is done to apply the wood brightener and after the brightener how long should we wait to apply a stain.

    You should brighten right after the stripping, while wood is wet. Stain 48 hours after brightening to let wood dry.
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    Susan · 07/21/2014
    We just spent the weekend stripping old solid stain from our deck and we are now down to the natural wood. How long should we wait after the stripping is done to apply the wood brightener and after the brightener how long should we wait to apply a stain.
  • We will reply to your comment shortly.
    opwdecks · 02/07/2014
    The Defy Brightener will not harm the
    Azek nor will the Defy Wood Cleaner. If you are going to stain the natural wood, then you must not get any of the Defy Stain on the Azek as it will stain it.
  • We will reply to your comment shortly.
    Michael McKinley · 02/06/2014
    I have a new deck. It is Azek Deck with cedar railings and risers, with pressure treated wood supports. What products do you recommend for the railings, risers and pressure treated wood supports? Will any of them discolor the Azek Deck? Do I need to take any special precautions for this?
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    opwdecks · 12/08/2013
    The Defy Hardwood Stain penetrates new wood the best. I would suggest this.
  • We will reply to your comment shortly.
    Lloyd · 12/07/2013
    I am building, and sell, wood display boxes and wagons. While some are inside displays, many are used to as plant displays I people yards. I use only new wood both cedar and pine. Some of these boxes sit out in the sun and rain year round. Since it is new would, what would be the best product?