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  • Charge Temperature

    Recently upgraded from a Hottop 2K TO 2K+ Using Artisan. Got sick of waiting for the Aillio, had order in for 3 years.

    Need some advice on an optimum charge temperature, have read various forums and there seems to be a multitude of opinion on the topic.

    The Hottop programmed temperature is 750C which is way off some of the recommended temperatures I have seen.

    I use the manual roast function, currently roasting Colombian Volcan Galeras. My last (and first) roast was charged at 1750 C ET. FC at 1830 BT, SC at 1990, dropped at 2030 .


    ​Nice mid to dark even colour very little chaff and no tipping.

  • #2
    I don’t use a Hottop however my optimal charge temp for that bean on a gas fired drum roaster is 195. Probably worth checking Hottop specific forums/articles to see if it’s safe to charge above the recommended temp of 75.

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    • #3
      I also don’t have a hot top but as a general rough guide, try a charge temperature similar to the temperature you’d like to drop the beans, Ie; if you’re aiming to drop the beans at 220C, try a charge temperature around 220 to get you in the ballpark.

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      • #4
        I’ve had my 2K+ for a little over a year now. I found 150BT to be the most versatile. 170BT can work but I found that some batches had a large colour variance after drop. Less than 150BT charge seemed to result in less flavour.

        This is with 285g beans, and drop temps between 190 and 196.

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        • #5
          Originally posted by Heston View Post
          I’ve had my 2K+ for a little over a year now. I found 150BT to be the most versatile. 170BT can work but I found that some batches had a large colour variance after drop. Less than 150BT charge seemed to result in less flavour.

          This is with 285g beans, and drop temps between 190 and 196.


          Interesting I had been working with a drop in temp of 75c to 100c. I was worried about scorching but I guess it's not an issue with a green bean

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          • #6
            Originally posted by nickm View Post
            Interesting I had been working with a drop in temp of 75c to 100c. I was worried about scorching but I guess it's not an issue with a green bean
            Me too. I watched “NapoBarista” YouTube videos to get a start with the hottop. He mentioned not wanting to ‘shock the beans’ so had a sub 100c charge and cut the power to zero until turn point, or just after turn point. I put it to the test a few times and saw no benefit in a subtle charge power level. That’s of course until 170c charge and beyond where colour variance opened up.

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