Refrigerator water filters are necessary if you want great-tasting, odor-free water and ice. While tap water in the U.S. is generally safe, filters reduce chlorine, sediment, and heavy metals like lead. They also protect the appliance's internal valves and ice makers from mineral buildup.
Whatever your reasons, it's time to think again and take a wiser step. Yes, many refrigerators are designed to run even if their water filter is not installed. However, running the system after removing the filter is not advised. Drinking unfiltered water can harm your health and make you sick.
Yes, specific water filters can remove Cryptosporidium. Because this parasite is typically between 4𝜇m and 6𝜇m in size, physical filtration is highly effective if the filter pore size is small enough.
The most effective and reliable way to remove arsenic from drinking water is through a Reverse Osmosis (RO) system or specialized Arsenic-Selective Media filters (like activated alumina or iron-oxide). Standard carbon filters and water softeners do not effectively reduce arsenic.
Yes, specialized water filters remove PFAS ("forever chemicals") effectively. The Environmental Protection Agency (EPA) recommends three proven technologies:
PFAS are generally considered more dangerous than microplastics. While both are widespread "forever pollutants," PFAS are toxic at extremely low levels and are definitively linked to severe, confirmed health issues. Microplastics are physically invasive, but their direct health effects on humans are still being studied.
For the best non-toxic water filter, the AQUA TRU Countertop Reverse Osmosis System is a top-tier choice. It removes up to 99% of contaminants without requiring plumbing, features BPA-free water tanks, and holds official certifications for reducing "forever chemicals" (PFAS), heavy metals like lead, and fluoride.
You cannot see, smell, or taste arsenic, so testing is the only way to know if it is in your tap water. The EWG Tap Water Database provides an overview of known water utility metrics, though a private test is necessary to be certain.
The most effective water filter technology for removing both heavy metals and microplastics is Reverse Osmosis (RO). These multi-stage systems push water through a semi-permeable membrane that traps particles as small as 0.0001 microns, catching nanoplastics and virtually all dissolved heavy metals like lead and arsenic.
Reverse Osmosis (RO) water offers excellent contaminant removal, but it has notable downsides. It strips away beneficial minerals like calcium and magnesium, creates substantial wastewater, and results in slightly acidic, flat-tasting water. Additionally, RO systems require frequent maintenance and can be expensive to install.
Prescription antiparasitic medications are the most effective way to kill parasites in humans. The specific drug used depends on the type of parasite—such as worms or protozoa. Because treatment is highly specific, consulting a healthcare provider for a diagnosis is the safest approach.
A Cryptosporidium (crypto) infection typically causes frequent, explosive, and profuse watery diarrhea. The stool often appears thin, clear, or frothy, and does not generally contain visible blood or mucus.
There is no single state with universally the "worst" tap water, as quality varies by utility. However, based on high contaminant counts, EPA violations, and population exposure, Texas and New Jersey consistently rank at the bottom.
Refrigerator water filters are necessary if you want great-tasting, odor-free water and ice. While tap water in the U.S. is generally safe, filters reduce chlorine, sediment, and heavy metals like lead. They also protect the appliance's internal valves and ice makers from mineral buildup.
One of the main reasons to avoid drinking chilled water is because it has a serious implication on your digestion. Chilled water as well as some cold beverages contract the blood vessels and also restrict digestion. The natural process of absorbing nutrients during digestion is hindered when you consume chilled water.
There is no single “#1” healthiest water, as the ideal choice depends on your specific health and hydration needs. However, experts generally agree that naturally mineralized spring water and carbon-filtered tap water (especially when remineralized) are the best daily options.
Yes. Ziploc bags are made from polyethylene and polypropylene, materials that can release thousands of microplastics and millions of nanoplastics.
Vitamins C and E are antioxidants that can help counter the negative effects of microplastics. Filtered water helps your body flush out microplastics. High-fiber diets help your body get rid of plastic in your waste by promoting bowel movements.
Apples and carrots
One study found apples and carrots to be the most contaminated and lettuce the least. However, microplastic contamination remains relatively small when compared with more highly processed foods.
Some of the most concerning contaminants lurking in your tap water can include:
Mithridates VI (King of Pontus, 120–63 BC) is historically celebrated as the "Poison King". Obsessed with toxicology to avoid assassination, he consumed trace amounts of venoms daily to build immunity—a practice now called mithridatism.
All forms of brown rice and rice grown in the Southeastern United States naturally contain the highest levels of arsenic. Because rice is grown in flooded fields, it absorbs heavy metals from the soil much more easily than other crops.
Brita filters are ineffective against substances such as nitrates, bacteria, and certain chemicals. If your water supply is contaminated with these, you may need to explore additional treatment options.
To effectively remove PFAS ("forever chemicals") from your drinking water, choose a filter certified for this purpose. Look for systems utilizing Reverse Osmosis (RO) or advanced Activated Carbon technologies, and ensure they carry third-party certifications (like NSF/ANSI standards 53 or 58) specifically for PFOA and PFOS reduction.
While whole-house water filters provide clean water for every faucet and shower, they come with significant disadvantages. Key drawbacks include high upfront costs, expensive and frequent maintenance, potential drops in household water pressure, and the fact that they are impractical to install if you rent.