I tend to use UL stoves with my kifaru 6-man.

1. Running a large Kifaru in my Kifaru 6.


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2. Kifaru small stove in my 6.

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You're good with the Exped ridgerest combo, I use the same myself. My advice is to get the largest stove you can pack in as it's easier to process wood for. Also burns longer. No UL stove will run overnight but I have never had a bad night going into my bag warm. I do have outing videos of this gear in field use if you want more info. Sometimes video/pics are worth 100 words.

It's all a balancing act with bulk/pack weight and stove output.