They take the drinking water, filter it(with charcoal and sand), then boil it to remove any bacteria.
coagulation of mud particles
by boiling the water
You can put the straw into the water and then suck, the water will come out filtered.
boiling chlorination ultra-violet radiation ozonation
Elisha, in 2Kings 2.19 to 22
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.
a method of separation purify water
If you shop at Target you can get those purified water filters for your sink. You can also get pitchers from there as well that will purify your drinking water.
You can use water filter straw or water filter bottle to filter water which is quickly purify water and the water is safe and fresh to drink.
It takes a while to purify water
When humans go into space, they have to take water with them, and on long journeys they also have to recycle water. That means they take their urine and filter and purify it to reclaim the water for drinking.