1
vote
2answers
937 views

How can I clean these brown iron stains in my pot?

I use a big aluminium pot to boil water. I think the water contains iron because after 4-6 months, the inside of the pot is full of brown stains. The colour is just like ferric. There are lots of ...
12
votes
2answers
21k views

Does water boil faster with the lid on?

When bringing water to a boil from cold water, what effect does a lid have on the time to boil? Does it increase or decrease the time? How much? Why?
5
votes
3answers
2k views

How much CO2 does it take to carbonate water using a household Soda Siphon?

A soda siphon seems to be the de facto device for carbonating water at home. A search of reviews and comments on the consumption and cost of CO2 yields the following results: 70 cents or one ...
4
votes
4answers
1k views

What's the best option for water for tea in the office?

When making tea at home, I have all the equipment I need to make a fine cup of tea. In the office, however, my options are more limited. It seems my sources for hot water are: Straight from the tap ...