Grain filling w Danish oil

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Forum topic by jimmyhopps posted 09-27-2016 08:15 PM 270 views 0 times favorited 6 replies Add to Favorites Watch
View jimmyhopps's profile


217 posts in 1800 days

09-27-2016 08:15 PM

Given that my walnut grain isn’t filled, nor close to it after 4 sessions, I’m wondering if i am doing it wrong.

Can someone point me to some good pics and preferably video that shows A) how thick the sanding slurry should be, B) how long they wait for it to ‘set’ before wiping off, and clearly shows how they wipe off (eg how much pressure, with/without grain direction, cloth /squeegee, etc).

I’m not sure if I’m not getting it into the grain enough (think I am), or if I’m pulling it off when I wipe.


6 replies so far

View Kirk650's profile


272 posts in 169 days

#1 posted 09-27-2016 09:35 PM

Let the DO dry for at least 72 hours and then apply 3 or 4 coats of Waterlox Original (one per day). In my experience, it fills the pores quite nicely.

View Loren's profile


8159 posts in 3068 days

#2 posted 09-28-2016 02:42 AM

You can try wet-sanding the tacky finish with used
180 grit paper. I did this for years with great results
on walnut.

If you really want the pores filled perfectly you may
want to look at a pore filler before oil, but I like some
open-ness to the pores in walnut. Typically I use
shellac or waterborne poly these days and both
fill pores adequately when you cut back the finish
between coats. Oak is a different story.

View mahdee's profile


3462 posts in 1188 days

#3 posted 09-28-2016 10:58 AM

I have wet sanded stain on walnut and it works okay too. I think the longer you wait the more problem you will have as once the slurry gets tacky, it will pull out the material out of the pores. Wet sand and immediately use a credit card or something like it (bondo cards come to mind) to remove the access using X type motion.


View jimmyhopps's profile


217 posts in 1800 days

#4 posted 09-28-2016 02:00 PM

Tuanks all. So don’t wipe with a cloth? When I wipe off with rubber scraper, it leaves a bit of film which I always assumed not good. Maybe i will try to leave it.

View sawdustdad's profile


112 posts in 306 days

#5 posted 09-28-2016 02:28 PM

Best way to fill the pores is with a pore filler product. I’ve never had much success using the wet sanding method. On the other hand, I’ve also used multiple coats of Poly, sanding between coats, to get a dead flat surface—without resorting to a filler.

My favorite finish these days is a wipe on poly, which is so easy to apply it’s foolproof. Except for certain (formal) table tops, I like some grain texture to show a bit.

-- Murphy's Carpentry Corollary #3: Any board cut to length has a 50% probability of being too short.

View JayT's profile


4680 posts in 1632 days

#6 posted 09-28-2016 02:35 PM

When I wet sand the Danish Oil on walnut, I don’t wipe it off afterwards, just let it dry overnight and have had good results. The slurry absorbs the excess oil really well and then the next day a second coat can be applied.

-- "Good judgement is the result of experience. A lot of experience is the result of poor judgement."

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