I don;t think you can because in rain water there is sand and chamicals, if you boil it down you are only killing harmful bacterical and that's it. So i do not think you can boil rain water for drinking water.
aslong as the rain water is moving then its okay to drink
it needs to be filterd and cleaned so how if its come out of the down spout. If it comes out of the down spout, then allow it to settle, purify it with water guard or any thing similar.distillation
boiling chlorination ultra-violet radiation ozonation
They take the drinking water, filter it(with charcoal and sand), then boil it to remove any bacteria.
coagulation of mud particles
you can do it by boiling it
Running it through sand, using specialized magnets, and boiling it.
You can put the straw into the water and then suck, the water will come out filtered.
by boiling the water
With any chemical water purification methods some few pathogens may survive in the water. Boiling will kill all the pathogens. One thing that water purification chemicals or boiling cannot do is remove any toxic chemicals that may have gotten into the water, such as medications, illegal drugs, caffeine, or toxic chemicals from a chemical plant. If you want to purify water by boiling, or any other means, be sure to filter it first of any larger particles that may float in it.
Elisha, in 2Kings 2.19 to 22
Boil it. Boiling water kills all germs and bacteria in water. But make sure to get the fire hot enough!
Firstly, why is this under the Marijuana category? Do you mean purifying water? You can purify it with small amounts of bleach.
Yes, we should recycle and purify the water for drinking. The water we get from water bodies is fresh water but it gets mixed with many impurities there.