Quick tips on unclogging a flattening stone?

[JKerr]

Got a basic Pride abrasive flattening stone (this one: https://www.timbecon.com.au/product...rgwhx6At49oSLXYOqmybyOsn-7MEoWjxoCLywQAvD_BwE )
Used it on King deluxe 300, 1k, 4 or 6k (can't remember which now), cheap crappy Chinese natural that's now just for extra height when sharpening and a Kitayama. I've been super lazy with caring for my stones and I was watching a video from JKI or Bernal which mentioned that the slurry from some stones will harden again once dry and clog your flattening stone. Can't remember which binder they said does this but thought it might be applicable to mine as my flattening stone is PAINFULLY slow now and feels real glassy.

Any good tips on how to remedy this?

Thanks in advance!

 

[NickMinton]

Sic powder?

 

[Dan-]

Soak it with hot water and dish soap and brush it? Atoma it?

 

[aporigine]

Sic powder?

This. 60-grit loose carbide and a cinderblock. Cures many ills.

 

[JKerr]

Gave it a soak with soapy water and got a brush into it. Didn't do much but I've just left it to soak and I'll see if that does anything after a couple of hours. I live pretty rural down here so pretty much everything ends up having to be shipped which is a pain in the ass. I know the local(ish) hardware store has Norton silicon carbide sheets, think that would work? Or if not on the flattening stone would they last for a few rounds of flattening the Kings?

Thanks again everyone.

 

[milangravier]

Yeah, hot water and metal brush you should get rid of any particle that would clog your flattening stone. If it doesn't work, you can use 60 grit or even coarser 36 grit sic powder on a glass, you will flatten your stone and bring some new abrasive in the same time. Those flattening stone when they start to glaze seems to do nothing, a 36 grit conditionning will help them work normally

 

[aporigine]

Gave it a soak with soapy water and got a brush into it. Didn't do much but I've just left it to soak and I'll see if that does anything after a couple of hours. I live pretty rural down here so pretty much everything ends up having to be shipped which is a pain in the ass. I know the local(ish) hardware store has Norton silicon carbide sheets, think that would work? Or if not on the flattening stone would they last for a few rounds of flattening the Kings?

Thanks again everyone.

Ime the carbide paper degrades very quickly. For keeping some higher-grit Kings in tune, they should work. For the heavy lifting however— loose carbide works better. I ordered a 2-lb bottle of 60-90 grit off the Zon. It worked quite well sorting a dished Shapton 120. A quick check with a diamond plate told me I had a good flat cinderblock.