Do you by any chance mean this type of valve? https://en.wikipedia.org/wiki/Wax_thermostatic_element I must agree, it is quite ingeniously thought of
cybermatrix
joined 2 years ago
Haha, one way of getting rid of the co2, put it in soda and blame the soda drinkers of producing too much carbon dioxide
Very interesting but compost has some use. I can see we can use water but co2, what to do with that?
Thanks, nice to know trick of the trade. Now to look for copper sulfate where to get