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I use Hydrogen peroxide and Ammonia to bleach Oak and Ash, three months after delivering the kitchen cabinets some of the doors darkened , specially the ones exposed to sunlight ,do you think there is a cure to these actual doors ? What is the problem ? is it because the mixture of Hydrogen peroxide and Ammonia was not neutrilised after the actual bleaching was done ? what would be the solution ? Is there someone who can help ?
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Jean-Paul, My opinion for what it is worth is that there isn't a problem. Ash darkens very quickly primarily due to the effects of ultra violet (UV) i.e., sunlight. It's one of those timbers that in my experience darkens faster than just about any other in its first few months of exposure. Oak also darkens, but I've found it does so at a somewhat slower rate. If the bleach was not properly neutralised the polish applied would have bubbled up or failed completely right after application, so that isn't an issue. As far as I'm concerned there is no cure because this is a natural aging process, so there's nothing to fix. However, the finisher can use clear polishes with UV inhibitors, but this really only delays the inevitable, and the timber most exposed to the strongest sunlight will always change colour most rapidly (whatever polish is applied.) Sliante, RJ.
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