Off-brand (or generic) refrigerator water filters are often just as good at basic filtration as name-brand versions, and can save you up to 50%. However, quality varies significantly. To ensure you are getting safe, effective filtration, you must choose generic filters that are independently tested and certified.
No, you cannot use just any water filter. Refrigerator water filters are not universal; you must use a filter designed specifically for your refrigerator's brand and exact model number. Using the wrong filter can cause poor water flow, leaks, or ineffective filtration.
Giardia cysts can infect humans and other animals. As in the case of Cryptosporidium, reverse osmosis or activated carbon block filters featuring at least 0.5 micron level filtration are recommended for their removal.
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.
No, standard refrigerator water filters do not reliably remove arsenic. Most fridge filters use basic activated carbon, which primarily improves taste and odor by removing chlorine, but cannot filter out heavy metals like arsenic.
Arsenic in drinking water is tasteless, odorless, and colorless. Symptoms depend on exposure levels, generally divided into acute poisoning (high exposure over a short time) and chronic poisoning (long-term ingestion of lower levels).
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.
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.
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.
Poop with Giardia is typically pale, light-colored, yellowish, or greenish. It is often described as greasy, fatty, or slimy (due to mucus) and has a very foul odor, often appearing as loose, watery, or, in dogs, "cow-patty-like" diarrhea. These stools may float or stick to the toilet bowl.
Find out how parasites might be getting into your water supply
Reverse Osmosis (RO) systems and advanced multi-stage carbon/ion-exchange systems remove the most contaminants. RO technology forces water through a semi-permeable membrane to eliminate heavy metals, fluoride, and dissolved solids. For portable options, advanced pitchers using specialized filtration media achieve similar broad-spectrum results.
The best refrigerator water filter brands are Original Equipment Manufacturer (OEM) lines like Everydrop (Whirlpool, Maytag, KitchenAid), GE, and Frigidaire. They are the most reliable options because they are specifically certified to meet strict NSF standards for contaminant reduction and guarantee a leak-free fit for your fridge.
The best store-bought water filter depends on your setup and budget. For renters, the Clearly Filtered Under-Sink offers data-backed, landlord-friendly direct connection. For serious contaminant reduction without plumbing, the AquaTru Carafe is the top countertop reverse osmosis unit. For budget-friendly pitchers, consider the PUR Plus 11-Cup Pitcher.
No matter how tidy your fridge is, there's probably something in there that should be thrown out. Examples include condiments that have been opened for over 12 months, leftovers older than 4 days, and fresh meat and seafood past their prime.
Boiling is the most effective way to kill waterborne parasites like Giardia and Cryptosporidium. Bring water to a rolling boil for at least 1 minute (or 3 minutes if you are above 6,500 feet).
New Jersey has the most highly contaminated drinking water system, with 556 systems. There are approximately 294,554 active lead pipes that need to be replaced. At least 379 water systems, serving more than 5 million residents, have detected elevated levels of TTHMs in their supply.
When you have an intestinal parasite, you most commonly crave sugar, carbohydrates, and junk food. Parasites consume your body's nutrients and can alter your gut signaling to trick you into feeding them their preferred fuel sources.
Parasite poop refers to the physical presence of worms, their segments, or eggs/cysts in human or animal feces. While most microscopic parasites require laboratory testing for detection, certain intestinal worms and their remnants have distinct visual characteristics:
Home remedies that can help relieve the discomfort of intestinal worms and may help get rid of worms include:
Arsenic is a naturally occurring element found in soil and water, making it virtually impossible to avoid entirely in your diet. The foods that contain the most arsenic are rice and rice products, certain seafoods, fruit juices, and specific seaweeds.
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.
Exposure to high levels of some organic arsenic compounds may cause effects similar to those of inorganic arsenic. Several studies have shown that inorganic arsenic can increase the risk of cancers of the lung, skin, bladder, liver, kidney, and prostate.