What, if any, lubricant for diamond whetstones?

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So i bought a Ruixin sharpener and equipped it with some diamond stones. They cut fine and I've put a decent edge on some old, tired kitchen knifes but I'm curious about using lube on the stones.

I have found some recommendations for Trend lapping solution and am leaning in that direction. What say you knife guys?
 
I would say either a light weight honing oil or water.
 
Gear oilšŸ˜€....

Seriously water or a low viscosity vegetable oil
 
Just curious - which diamond stone set did you get? I have the same sharpener, and the included stones don't seem to get it razor sharp, i.e. good enough for the paper test, but not good enough to shave with.
 
I don't use any liquid on my diamond stones unless they are getting cleaned then just water
 
Supermatch said:
Just curious - which diamond stone set did you get? I have the same sharpener, and the included stones don't seem to get it razor sharp, i.e. good enough for the paper test, but not good enough to shave with.
Click to expand...
I use an Ez-Lap 8ā€ stone. Cleaned with water and a drop of dish soap, it provides a shaving edge.
 
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Supermatch said:
Just curious - which diamond stone set did you get? I have the same sharpener, and the included stones don't seem to get it razor sharp, i.e. good enough for the paper test, but not good enough to shave with.
Click to expand...
I bought them at Sy tools Pro Store on Aliexpress.

Aliexpress

In diamond stones I have one each 200, 400, 600, 800, 1500 grit plus a 3000 grit Ruby oil stone to polish. I was able to put a scary sharp edge on a small paring knife when finishing with the Ruby stone.

The alum oxide stones shipped with the Ruixin don't last and the 1500 grit green one was toast after just two knives.
 
no nothing for sharpening.
when mine get a little "gray"
i wipe with a microfiber cloth
that is included in my glasses case.
 
@thrillhill the knifecenter.com you linked sells a honing oil by Smith, the description reads as follows;

Smith's specially formulated Honing Solution is nonpetroleum based and features built-in stone cleaning agents and rust/corrosion inhibitors. It is excellent for lubricating your Arkansas or Diamond Stone when sharpening. Never use an Arkansas Stone without some kind of lubricant, or you will clog the pores and cause it not to sharpen properly. Diamond Stones can be used dry, but we recommend that you use a lubricant for better performance.

This sounds similar to theTrend lube as it uses nonpetroleum base also. That said I just finished putting an edge on a buddies knife he forged from a railroad spike. I used water to lubricate the diamond stones and honing oil on the Ruby stone. The water made a huge difference in way the stone bit into the steel plus moved more smoothly across the blade and it was easier to keep the stone clean.

I'll probably pick up some Trend since I don't know what type of substrate is used with these stones and I'd hate to have them rust or flake apart from using water alone.

Thanks to everyone for the input.

ETA: dang it they have rust starting to show so I hit them with Kroil.
 
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