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7.5 g bone-dry tobacco flour (sifted through 120-150 micron sieve)1.8 g (ml) water0.5 g sodium carbonate (alkalizer)0.2 g sodium bicarbonate (alkalizer)
Add dry finely ground alkalizers to dry tobacco flour and mix everything thoroughly in a mortar, electric coffee grinder or blender. In the final step, pour the dry mixture into a bowl, add 1.8 ml (1.8 g) water and stir thoroughly, till you get even texture (with given amount of snuff it can be achieved in 5 minutes). This snuff is ready for a straight-away use and rounds up overnight.
Some general notes / tips. Working with small amounts of tobacco, you will need digital scale with 0.1 g or 0.01 g weighing precision. If you don't have proper mesh sieve (120-150 microns / 0.1-0.15 mm) and prefer fine grind, you can collect the finest tobacco particles from the electrical coffee grinder lid (the finest particles accumulate on the inner surface of the lid due to static electricity). Here's a no-nonsense video guide for making instant dry snuff: youtube.com/watch?v=2PdaH2oZBwU, at 0:46 you'll see the finest fraction powder stuck on the coffee grinder lid. That's the stuff.
If you want more even texture, you can order aquaristic artemia 120 micron (0.12 mm) sieve (like this: https://www.amazon.co.uk/Hobby-21620-Artemia-sieve/dp/B01FARB3VW ) or 150 micron (0.15 mm) one: https://www.abyssaquatics.co.uk/product/jbl-artemio3-sieve/). These sieves are small, but comfy enough to work with small amounts, and way cheaper than lab sieves.
If you prefer coarse grind, you can sift tobacco flour with tea mesh strainer. Like this one: https://www.indiamart.com/proddetail/ss-tea-strainer-13596893697.html. You can find them in pretty much every supermarket (look for it in a kitchenware section) for cents.
Making coarse snuff, you can dial up moisture up to 35% (use 3.5 g water for 10 g of snuff, that is, 3.5 ml water for 6.5 g tobacco + alkalizer(-s) flour to make 10 g snuff); for coarse moist snuff use sodium carbonate (don't add sodium bicarbonate, it's good only for fine and dry / medium-moist snuffs, and only combined with stronger alkali like sodium carbonate or potash) and add it dissolved in water; salt compliments coarse and moist snuff nicely, you can add 2-6% additives-free salt (by weight) to your taste (dissolve it in water with 4-6% (by weight) sodium carbonate, where 4% is for medium strength, 5-6% – for stronger snuff). It takes some days / weeks for coarse to round up, and generally it turns better with time.