I've been trying to make a 1.5 litre batch of sugar wine, but I don't really know how much sugar I should add. Thanks.

I have a natural gas heater and a natural gas range, both of which could be converted to propane. Why is the carbon monoxide so dangerous with a banjo burner, but not with the heater or range? I've looked around but can't seem to find a definitive answer. There do seem to be a lot of people using camp stoves and other lp stoves indoors without incident. What I can't tell is if they are simply really lucky... I am …