Why are white sand crystals clogging my faucets every couple of days?
Fine white sediment or sand crystals are constantly clogging faucet and shower aerators, requiring people to clean them out every day or two. This recurring debris buildup persists for months on end, repeatedly blocking water flow throughout the house.
What the numbers show
Counted from the threads quoted below. How we count
- This comes up 12.1× more often in r/Plumbing than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1manually cleaning the aerators periodicallyDid this help you?
- 2flushing or draining the water heaterDid this help you?
- 3letting the aging water heater ride until it starts leaking or replacing it entirelyDid this help you?
- 4Cleaning out the faucets every day or twoDid this help you?
- 5Replacing shower cartridgesDid this help you?
- 6Descaled the tankless water heaterDid this help you?
- 7Checking for breaks in the line with the cityDid this help you?
- 8soaking the nozzles in CLR and cleaning with a needleDid this help you?
- 9attaching an inline calcium inhibitorDid this help you?
- 10Remove the aerators, run the water for a few minutes, and put them backDid this help you?
- 11Clean out the filters and aerators manuallyDid this help you?
- 12Clearing aerators monthlyDid this help you?
- 13Installing a water filtration and softenerDid this help you?
- 14Replacing old galvanized steel pipesDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“the sink and shower aerators at the parents house regularly end up looking like this. I last cleaned these when I was home in May and I came back and they look like this again.”source ↗
“My faucets in my sinks keep clogging. Usually a white sandy clogg. Sometimes black in color like shown.”source ↗
“all of my faucet aerators are full of debris: PEX shavings, copper/brass burrs, pieces of teflon tape, there is even a gooey residue which is either pipe joint compound or soldering flux.”source ↗
“I can't even imagine what must be clogging the mesh filter of my fridge's water inlet, washing machine, water dispenser, etc.”source ↗