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Any users of Charles Neil's Pre-Color Conditioner - Blotch Control?

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Forum topic by HarveyDunn posted 11-24-2020 12:36 AM 437 views 0 times favorited 4 replies Add to Favorites Watch
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HarveyDunn

417 posts in 2707 days


11-24-2020 12:36 AM

I am making some keepsake boxes from poplar. I want to dye them, with TransTint dyes. My initial tests came out very blotchy, so I got a container of Charles Neil’s Pre-Color Conditioner – Blotch Control. Just finished the second application and am going to let it dry overnight.

Questions!

1) My test boards are 0.25” x 5” x 24”, flat and square, sanded to 180. I applied the product to one side only. They are obviously cupping, because of the moisture. Will this correct itself? My actual thickness for the boxes will be 0.5”. Is that sufficient to resist this kind of movement? Will it autocorrect if I do both sides simultaneously?

2) Obviously, this is a WB product. Can I apply and alcohol-reduced dye over it, or do I need to stick with WB?

3) I have a can of General Finishes Dye Stain Reducer. Can that serve as the vehicle for the dye? I will be hand applying.


4 replies so far

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Robert

4330 posts in 2456 days


#1 posted 11-26-2020 07:06 PM

On panels or boards that thin, you have to do the same thing to both sides. Now that it’s cupped, try leaving the convex side up overnight. This +/- wetting the opposite (concave) side will usually correct a cup in a thin board. Careful, you can go the other way (DAMHIKT).

TMK alcohol based dyes are compatible with wb sealers.

If you use a reducer (really intended for large surfaces) be sure it’s the same brand as the dye.

-- Everything is a prototype thats why its one of a kind!!

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OSU55

2718 posts in 2965 days


#2 posted 12-04-2020 12:26 PM

Poplar is very porous and absorbs a lot of liquid, very blotchy. Neil’s conditioner works as advertised. Can make your own for a whole lot less $, read here.

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Clarkhus

74 posts in 573 days


#3 posted 12-04-2020 12:46 PM

I use a 1# cut clear shellac. Should do the same as blotch control. I have used it prior to dying poplar. The 1# is made by taking regular 2# clear shellac and mixing it 50-50 with denatured alcohol.

-- Clark

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Rich

6398 posts in 1565 days


#4 posted 12-04-2020 01:27 PM


I use a 1# cut clear shellac. Should do the same as blotch control. I have used it prior to dying poplar. The 1# is made by taking regular 2# clear shellac and mixing it 50-50 with denatured alcohol.

- Clarkhus

That’s a pretty heavy cut for blotch control. There’s a fine line between reducing blotch and sealing off the wood, preventing good color absorption.

I encourage anyone who wants to learn about blotching to read OSU55’s excellent post that he linked to above.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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