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ANTIQUE FURNITURE RESTORATION DISCUSSION BOARD

Re: to bleach, or not to bleach?

Posted By: James Schooley <furnitureissues@earthlink.net> (0-1pool246-14.nas2.sioux-city1.ia.us.da.qwest.net)
Date: 3/15/5 20:45

In Response To: Re: to bleach, or not to bleach? (Simon)

Depending on the cause, it may take 4 or 5 applications of oxalic, and after rinsing a chlorine bleach again may help some too. The cause of the uneven color may be from patches of finish that were lost and later painted, causing a color change in those areas, or water and dirt stained the wood there. What ever the reason you may need to sand a bit to remove them, unless you plan to stain fairly dark. A surface prep can be made from a shellac that has been dilluted 5 to 1 with denatured alcohol, if you think you need to use this. I feel that this isn't the problem as birch and pine will show up this way, and not to many other types of wood. Test the stain somewhere out of the way once the sanding is done, and if the blotches come back then give it a try. Oh yeah, if you find you are sneezing a lot as you sand, there is still oxalic powder on the wood and you need to rinse some more. Good luck, James.

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