Sigma #3000 grit ceramic sharpening whetstone

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The Sigma Power company has produced a ceramic whetstone that cuts rapidly and gets the job done. Like all good whetstones these are not cheap, and must be considered an investment that is made to ensure one can sharpen your own straight razors, knifes and other tools to a superb level of sharpness for decades to come.

The lower grit stones are generally hard, and yet still cut aggressively so your work is done quickly. They are highly resistant to dishing, but do require a short soak of 5 minutes prior to use. Keep the stone wet while in use by having water in a spray bottle on hand all of the time.

Sigma also claims a stone that is stronger than other brands on account of their composition and manufacturing processes, and we also love the fact that it is twice as thick as most other stones on the market. The 25 to 30 mm thickness means you'd get more than double the amount of work out of it when compared with most other makers who supply their stones in a 10 or 15 mm thickness.

This #3000 stone is considered a medium grit stone used after setting the bevel on the #1000. Keeping grit increments even throughout your progression is important to maintain even wear on all stones. If one was to progress from the #1000 to the #6000 stone, it would take longer to remove the markings from the previous stone, costing money in terms of valuable time and also a stone that is used more than others, and thus wearing away quicker. One would not use this stone on razors that have been in use recently, but rather ones that have seen some corrective work done to them to make them usable again. a Recently used razor would only require light dressing on a higher grit stone like the Sigma #10 000 or #13 000. The next step after the #3000 could be the #6000 that gets the job done with a minimum of fuss, and leaves the edge sharp enough for everyday tasks.

When the edge needs to be sharper than merely 'sharp', the #13000 is the one you are after, it will be the final step for final finish planing, a paring chisel, fine cutlery and straight razors.

Here is a great video using the grid method to make sure your stone is perfectly flat before using it, this is very good practice and I suggest any person use this method until you get to know the behaviour of your specific stones and how they perform.

Another great video on honing a razor here;

Product of Japan. Size 210x75x30mm.