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post #1 of 5 Old 04-22-2004 Thread Starter
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bleaching teak

After stripping I''m having trouble removing some gray areas in my teak cap rail prior to sanding and varnishing. I''ve tried oxalic acid, numerous cleaning materials,and some teak cleaners,as well as sanding and have not had very good results. Any suggestions? Thank you.
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post #2 of 5 Old 04-22-2004
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bleaching teak

TriSodiumPhosphate (TSP) or a strong sodium silicate based inorganic detergent will strip the grey.
Oxalic is used for bleaching/brightening AFTER the TSP or caustic strip.
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post #3 of 5 Old 04-23-2004
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bleaching teak

Both TriSodiumPhosphate (TSP) and oxalic acid will eat out the soft wood while leaving the harder annular rings untouched, making it had to get a proper finish and shortening the life of the wood.

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post #4 of 5 Old 04-23-2004
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bleaching teak

Teak Wonder (a 2 part system) is very good. I''ve had great results with it.

Use a white tile scrubbing pad, nothing with bristles.
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post #5 of 5 Old 04-23-2004
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bleaching teak

Jeff is correct. I favor houshold bleach and a light sanding so that not much material so lost.
Mix asolution of 20% bleach to water and brush it on, let it sit a few minutes and hose it off. Try it in a hidden area first to get a feel for the effect.
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