What Is the Cheapest Water Filter

Boiling water is the cheapest and safest method of water purification.

What is the cheapest way to filter your water?

Boiling water is the cheapest and safest method of water purification.

Is it cheaper to get a water filter?

Every 6 months, the filter will need to be replaced on nearly every filtration system. … In case you haven’t done the math, it’s about $250 cheaper to use a water filter in the first year than it is to buy bottled water. You save even more the following year when all you’re doing is replacing the filter every 6 months.