When Should You Change Your Water Filter
When we began engineering OMFILTERS we knew that for the system to be effective, we would need a goal of only having to change the filter once a year! After extensive calculations, we realized this mean that the filter would need a capacity of 6,000 gallons! How did we come to that?
When restricted strictly to the kitchen sink for drinking, food prep, and washing up, 6,000 gallons represents exactly one year of daily use for a typical household.
Across all bathrooms and kitchens, the average US household runs about 27 gallons of water through its faucets every day. If we isolate just the kitchen sink to a conservative 16 to 17 gallons per day, here is exactly how that volume breaks down over 24 hours:
At an exact average of 16.44 gallons a day, a household hits 6,000 gallons in precisely 365 days.
When sizing sub-micron carbon block media, 6,000 gallons ensures a family can use a single sanitary quick-change (SQC) cartridge for drinking, cooking, and washing for one full year before the internal media degrades or the flow rate drops.