Guides | FilterCompass

Guides

The reading that goes before the buying. How often to replace your filter, what the warning signs are, and how compatibility actually works.

How Often Should You Replace Your Refrigerator Water Filter?Six months is a common replacement interval, but your refrigerator’s manual, water use, and filter condition should determine the actual timing. Replace the filter sooner if flow, taste, odor, or water quality changes—and confirm the exact filter model before buying.
LG ThinQ water filter replacement: which cartridge fitsThinQ is LG's app, not a filter model. How to find the cartridge your ThinQ refrigerator takes, and the four LG housings that cover most models.
OEM vs aftermarket filters: what certification tells youThe price gap is three to four times. The real difference is not the carbon — it is which contaminants are certified and whether the housing seals.
The filter light won't reset after installing a new cartridgeAlmost always one of three things: the reset procedure was wrong, the cartridge has no chip, or the housing is not seating. Work through them in this order.
How often should you actually replace a refrigerator water filter?Six months is the marketing answer. The gallon rating and your dispenser habits decide when it really needs changing — here is how to work it out.