Brewed Onyx Ethiopian at 12% 400 Kruve - got 11.4%, 15g, 227.6g water, 194.4g liquid and 3:40 mins. I will give 5/9.
Disappointed. It was bland, although it had hints of mild sugar finish. It was more like drinking coloured water for me.
Espresso was ok, but did not stand out like Crankhouse and Foundry.
I don’t think there was any brew malfunction. I will brew later today at the same 12% 400 Kruve and 9% 400 Kruve later and assess. I don’t think 9% 400 Kruve would help.
Perhaps, Hybrid Clever at 12% 400 Kruve may be worth experimenting.