Choosing a prefilter for a water filtration system
Figuring out what kind of larger particle filter to use as a prefilter to protect a more expensive main water filter.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Searching for terms like prefilter and looking for larger micron sizes
- 2Using a countertop pitcher that filters water slowly
- 3Buying expensive replacement filter cartridges every couple of months
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Refilled my brita twice before lunch again and something in me snapped. third cartridge this year and it still drips like it's doing me a favor.”source ↗
“so now i'm pricing out an ro setup and the number of decisions is stupid. under sink vs countertop, tank vs tankless, and half the threads here are arguments about waste ratios and whether remineralization is real or marketing.”source ↗
“i rent, so drilling a drain saddle into the cabinet is a landlord conversation i'd rather not have. but i'm tired of dropping $40 every couple months on cartridges for a slow drip of slightly less tap-y tap water.”source ↗
“Got emailed the annual water quality report this week and i made the mistake of actually reading it. But noe every glass from the tap makes me think anything that touches the pipe is a no. The pitcher route feels like a subscription i never wanted”source ↗
Where this came up
People with this problem also raised
- 3How to choose an air purifier without getting overwhelmed by reviews
- 3Will an aftermarket air filter with less depth still catch debris?
- 2How to stop sand from clogging a well water system
- 2Where do I install a water softener in my plumbing?
- 16How to know if my HVAC air filter is the right size?
- 3Which way should my HVAC filter arrow face?