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Lego Whitening
About this creation
I remember seeing this webpage Retrobright on the brothers-brick a few weeks back.




The solution is mainly a $2 bottle of hydrogen peroxide. Retrobright suggests using 10-15% however, for lego it appears that the 3% is good enough. The 10-15% just likely reduces the time from 10-20 hrs to an hour.

I basically pour the 1/3 of the bottle into a plasic bowl (from the delicious healthy choice steamers). Then add a dash of the oxi-clean solution. Apparently chemists say this acts as a catalyst.

Step 3, put in sun (another catalyst). Come back from work and you have white legos.




The above pic is a before after. One of the pieces on the stack on the right is a brand new white piece (Won't tell which one). The rest looked exactly like the ones on the left before. I put the ones on the left in a bleach solution and extensive dishwasher soap with no luck. Just to prove to myself that it is a chemical reaction.

There was one really nasty decorated slope I had that took two solutions, but is now perfectly white. Quite amazing stuff... For less than $10 I'll be able to restore all ~500 pieces to their original condition.

This is huge because if you order used white pieces from bricklink you can pretty much guarantee that they'll be yellow on arrival.



Comments

 I like it 
  October 23, 2012
do all the sides need to be exposed to the sun or just submerged in the solution? Tips for achieving either?
 I like it 
  September 28, 2011
Hey this works so well I can't believe it! Even in cloudy days, though in shiny days it works better
 I like it 
  July 26, 2011
Have you tried this with other colors? (Yellow, Light gray, Tan, etc.)
 I like it 
  May 7, 2011
I'm definitely trying this out. I disassembled a samurai castle to wash and clean, but the white parts are white no more
 I like it 
  January 16, 2011
Perfect. I have some decorated pieces that have yellowed bad and I didnt know what to do.
 I made it 
  January 16, 2011
Quoting Ryan Degener Does this erase decorations on pieces and will it eat away at stickers?
The printed labels will not be damaged. I don't use stickers. I assume putting them in water will cause them to peel.
 I like it 
  January 16, 2011
Does this erase decorations on pieces and will it eat away at stickers?
 I like it 
  November 18, 2010
you have saved me THANK YOU
 I like it 
  October 20, 2010
Good idea, I have the same problem with my white bricks. Thanks for sharing! -Brick Star
 I like it 
  September 17, 2010
No reply to the tooth whitening...? In the bag with the Lego? Crickets?
 I like it 
  August 14, 2010
not a bad idea.....
 I like it 
  July 22, 2010
Great ideas on freshening up the old bricks! However, as a dentist, I have to warn that your ideas, although practical for this application, are not recommended for tooth whitening. That is unless you can take your teeth out and put them in the same bag as the Legos....
 I like it 
  May 9, 2010
Also, for light scratches and blemishes, I use abraisive toothpaste and a soft cloth. I wouldn't try it on transparent pieces, though.
 I like it 
  May 9, 2010
Great tip!!!! Thanks!!!!
 I like it 
  December 22, 2009
Is this technique restricted to white bricks only?
 I like it 
  November 2, 2009
It really is amazing, Eggy. I've been doing it these last few days (without the UV so far, but it still works). I've done all the bricks and slopes, though some have needed a 2nd go. The pieces with computers, grills, etc. have been unaffected. Thanks for putting this up.
 I like it 
  October 18, 2009
I saw this on TBB but the pictures were different. Did you get the idea from them or is this your amazing own idea?
  October 5, 2009
Hi Eggy Pop. Unfortunately, I was/am a bit stressed out for a deadline in November. So I spend my weekend working (yes unpaid: paper reality vs. real world). So I think I will give it a go tonight. Kind regards, Teddy
 I made it 
  October 3, 2009
Let me know how it goes. I did a police brick from my birday about 18 yrs ago and it worked great. Hopefully you have the same luck.
  October 3, 2009
Thanks Professor! I'll try it tomorrow. Its a printed white wall panel (red brick window) of my eldorado fortress. The fortress still contains all the original bricks since i got it for my birthday some 19 years ago. So I'm quite nervous deyollowing that penal. I realy hope I won't ruin it.
Eggy Pop
 I like it 
Dave Shaddix
  October 1, 2009
Brady: You must first learn the ways of Johnny Five, only then can you understand what it means for your mamma to be a snow blower. Go in peace my friend.
  October 1, 2009
Great tip, thanks for sharing. It's weird how some white bricks go cream whilst others don't. On some of my models two bricks next to one another have reacted completely differently over time; one will go cream whilst the other stays white. Shows there are inconsistencies in manufacture I guess. P.S. Is the new brick the middle one on the right?
 I made it 
  October 1, 2009
Quoting Teddy . I am contemplating de-yellowing a printed white part as a test case. But I fear damaging the print. Anyone tried that already?
I've done that without any problems. Well in 9/10 of the cases. The 10th case may have already been messed up but may have been ligtened. Hard to tell. This brick was basically brown and I turned it white over 4 applications / 2 days.
  October 1, 2009
@Steef de Prouw, @Dirk Denoyelle, and @all other people from the low countries: Yes, Vanish oxi action contains the same chemicals. Last year I succesfully de-yellowed some of my own white bricks with this product. You can also de-yellow other colored bricks as well. But timing is critical, because amazingly you can brighten them more than their original color. I am contemplating de-yellowing a printed white part as a test case. But I fear damaging the print. Anyone tried that already?
 I like it 
  October 1, 2009
Great tip! I'll have to try it on my bits I got cheap of eBay. Does it work with other colours to? espacialy greys. some of mine are quit yuck... Thanks again!
Eggy Pop
 I like it 
Heather LEGOgirl
  September 30, 2009
I love the barbecue steak variety of those HC Steamer meals. Anyhoo...so you say I need sunshine? Where the heck is a gal in Washington State going to find THAT?! I'm still peeved that this info came to light only AFTER I finally gave in a and gave my yellowed bricks away. Perhaps my niece won't notice if they disappear. ;)
 I made it 
  September 30, 2009
Quoting Heather LEGOgirl Anyhoo...so you say I need sunshine?
You dont "need" sunshine. It just makes the process go faster. More like 2 hr instead of 5-10 hrs. I'm not sure if its sun or heat anyways. Putting it under a lamp I'm sure does the same thing.
 I like it 
  September 30, 2009
cool orgonization, check out my organization pic, btw i just organize mine mainly by single pieces
 I like it 
  September 29, 2009
I'll give that a try! Thanks!
 I like it 
  September 28, 2009
thanks for the trick, I will definitely try this out sooner or later...
Eggy Pop
 I like it 
Blake B.
  September 27, 2009
Billy died, you know.
 I like it 
  September 27, 2009
thank you you saved my latest moc i hate how they yellow like that. my lego creation ro'c had a lot of white check it out if you want to
 I like it 
  September 27, 2009
a great solution! good thinking!
 I made it 
  September 27, 2009
Quoting Blake B. Billy died, you know.
Just to be clear, he was the salesman, not the inventor of the product. Arm & Hammer make the product and it lives on.
 I like it 
  September 27, 2009
Interesting. I'll have to try that out for myself someday...
 I made it 
  September 27, 2009
Quoting Dirk Denoyelle Thanks for sharing this with us ! Do you know what the active component in OxiClean is ? It's a brand that is not sold here in Belgium, so I need to find some alternative... Thanks ! Dirk
Sodium percarbonate: http://en.wikipedia.org/wiki/OxiClean
 I made it 
  September 27, 2009
Quoting Sebeus I the one in the middle is the new piece
Actually the second from the top
  September 27, 2009
@Dirk Denoyelle: I denk dat Vanish Oxy Action een Europese tegenhanger van dit product is.
 I like it 
  September 27, 2009
I will have to try this.
 I like it 
  September 27, 2009
Neat! I think I may restore some of my pieces myself!
 I like it 
  September 27, 2009
I've actually been wondering for a few months now if there's a chemical that will restore yellowed bricks to their original color. Looks like there is! Thanks for the share, I have to try this sometime. Good day
 I like it 
  September 27, 2009
Nice too see this here. Thanks. Will this work on old "greyed" transparent pieces?
  September 27, 2009
Thanks for sharing this with us ! Do you know what the active component in OxiClean is ? It's a brand that is not sold here in Belgium, so I need to find some alternative... Thanks ! Dirk
 I like it 
  September 27, 2009
Very nice. I have to try this sometime, as some of my lego is as old as 1980. Also, my first impression is that the new brick is the middle one, but I could be mistaken.
 I like it 
  September 27, 2009
SO SMART!!!
 I made it 
  September 27, 2009
No, thats more of Brady's mom's thing.
Quoting Dylan B Oh, and is this how you whiten your teeth too?
  September 27, 2009
Oh, and is this how you whiten your teeth too?
 I like it 
  September 27, 2009
Thanks for the lesson, this is just what I'd imagine you doing on your weekends off. -Dylan
 I made it 
  September 26, 2009
I hope that you don't mean your moms a snow-blower
Quoting Brady G Heh, when your parents are in the cosmotology business, hydrogen peroxide isn't hard to come across. We might have, oh, around 4 gallons. Too bad none of my bricks have yellowed yet. I know from comparing it to how white it gets up here in a few weeks.
 I like it 
  September 26, 2009
great job. even though my older brother built legos in the 90's i don't think i hav emany whitened pieces. if i find any though i'll keep this in mind. now make some big white castle!
 I like it 
  September 26, 2009
Thank you sir, good info.
 I like it 
  September 26, 2009
@ Chris. Don't even mention Vice. He's not worthy.
 I made it 
  September 26, 2009
It doesn't seem to. You may try it out on a couple before dumping them all in there =)
Quoting Joshua Benjamin Thank you Professor! However, I do have to ask, does the solution do anything to printed Minifig torsos (or any printed brick for that matter). Because I have plenty of yellowed torsos that I wish to make white again. =)
 I like it 
  September 26, 2009
Thank you Professor! However, I do have to ask, does the solution do anything to printed Minifig torsos (or any printed brick for that matter). Because I have plenty of yellowed torsos that I wish to make white again. =)
 I like it 
  September 26, 2009
Thanks Billy Mays! Watch out, I see the Sham-Wow guy creeping up behind you! ~ Chris.
 I like it 
  September 26, 2009
I should try that.
 
By Eggy Pop
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Added September 26, 2009
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