Best Water Filter Buying Guide

28 Oct.,2024

 

Best Water Filter Buying Guide

The water that comes out of your household tap travels through miles of pipes, aquifers, and treatment systems before landing in your glass. One of the easiest ways to boost the quality of that water is by using a water filter, be it under your sink, in your fridge, or on your countertop.

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While many people buy water filters simply to improve the taste or appearance of their tap water, filtering your drinking water can also potentially protect you from harmful contaminants. A joint Consumer Reports-Guardian US news organization investigation of the nation&#;s tap water revealed that 118 of 120 tested locations across the U.S. had detectable amounts of lead, arsenic, or PFAS (per- and polyfluoroalkyl substances linked to significant health problems) above CR&#;s recommended maximum levels. Those sampled water systems served more than 19 million people.

An in-home water filter can not only protect against harmful contaminants but also improve the taste of your tap water. Because drinking-water complaints often relate to taste and smell, we test flavor and odor reduction in our current ratings for water filter pitchers, under-sink water filters, faucet-mounted filters, and countertop filters. Our ratings also include reverse osmosis water filters from previous testing.

In addition to refrigerator water filters, the most popular are pitcher-style filters&#;the kind you fill from the tap and keep in your fridge. They&#;re easy to use, require no installation, and take up less space than a more permanent option. They&#;re also relatively economical, with most costing less than $50.

Faucet-mounted water filters attach directly to your tap, while countertop water filters attach to your tap by a hose that diverts water through a small sink-side purifying device equipped with a spout. Both typically filter using granulated activated carbon cartridges that draw away contaminants before water leaves your tap. They work well for apartment dwellers because they don&#;t require a plumber to install. Faucet-mounted filters often cost less than $50. Countertop filters can cost $80 or much more, depending on the filtration system they use.

Under-sink water filters are more expensive, ranging from less than $100 to $700. They hide discreetly and filter a higher volume of water at a greater flow rate. They may require custom plumbing, or sink or countertop alterations for the water dispenser. But if convenience is important to you, under-sink filters are a good option.

What is the Best Way to Filter Water? - WaterCare

You want to know your drinking water is safe. If you&#;re concerned about contamination and don&#;t want to buy bottled water, your best option may be a reverse osmosis system in your home. Below, we discuss different ways to filter water.

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Filtration

Some households opt for an in-line filtration system like a faucet mount or fridge filter for regular in-home use. These systems provide good-tasting water &#; removing chlorine taste and odor. They can also filter out minerals, including zinc, copper, and mercury.
However, these carbon filtration systems can&#;t filter out many other harmful substances, such as pharmaceuticals in the water supply, lead, arsenic, viruses, and other microorganisms. 

Problems with in-line filters for everyday household use:

  • Ineffective against microorganisms, lead, arsenic, and more 
  • Ineffective against more significant odor and aesthetic issues, e.g., sulfates of 2-3 parts per million 
  • Susceptible to sediment buildup &#; slowing down water flow
  • Requires frequent cartridge changes &#; expensive and time-consuming
  • Takes up space in the fridge or requires a bulky faucet mount
  • Cartridges need to be changed regularly, or water quality can decline

While in-line filtration isn&#;t generally effective for removing microorganisms, lead, arsenic, etc., water filtration systems are still a valuable part of a home water treatment system. Whole home filters can remove tannins, sulfur, iron, and other particulates from your water. 

Reverse Osmosis

A reverse osmosis (RO) system is one of the best ways to filter water for everyday use. That&#;s because RO systems combine multiple carbon filters with a unique semi-permeable membrane to provide a more sophisticated level of water treatment. 

Here&#;s how a reverse osmosis drinking water system works:

  • Step 1: Water flows through a sediment filter that reduces chlorine and takes out larger sediment. 
  • Step 2: Water is pushed through the semipermeable membrane. Water molecules pass through, but bacteria, viruses, sodium, chlorine, and other larger molecules are stopped.
  • Step 3: Water flows through two more carbon filters to remove any remaining taste and odor. (This is the only step you get with a standard filtration pitcher, fridge filter, or faucet mount.)

With reverse osmosis, filtered water is stored in a small storage tank so it&#;s ready on-demand for drinking and cooking. It's convenient and economical to get great-tasting, safe water from your faucet.

Still not sure which is the best method to filter your water? Find a WaterCare dealer!

We have local water treatment specialists in your area who can provide the best advice for water filtration appropriate to your home and situation. Take the first step in getting healthier water by scheduling a free water test or consultation today!

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