ServicesFilter Cleaning
Pool Filter Cleaning in Chandler
A clogged filter makes your pump work harder and leaves your water dull even when the chemistry reads right. We break down cartridge, DE and sand filters, clean the media properly, check the seals, and restart the system with a fresh pressure baseline you can watch.
What filter cleaning actually fixes
Your filter catches the fine debris your skimmer basket misses: dust, pollen, body oils, sunscreen and the calcium that drops out of hard water. As that material packs into the pleats, grids or sand bed, flow drops and pressure climbs. The pump moves less water per hour, sanitizer circulates poorly, and cloudy water or algae can follow.
Hosing off a cartridge removes the loose dirt but leaves the oils and scale bound to the fabric. We degrease first and then treat scale, because putting acid on an oily cartridge can lock the oils into the fibers. The same technician who opens your filter cleans it, reassembles it and reads the gauge at restart, so nothing gets lost between steps.
What we do on a filter cleaning visit
- 01
Full teardown
We shut down the pump, bleed pressure through the air relief valve, and open the tank. Cartridges come out, DE grids and the manifold come out as one assembly, and sand filters get their lid and laterals checked.
- 02
Degrease and scale treatment
Cartridges and grids are soaked in a filter degreaser to break down oils. Where hard water has left calcium in the media, we follow with a separate scale treatment and a thorough rinse.
- 03
Media inspection
We look for torn grid fabric, cracked manifolds, flattened or split cartridge pleats, and broken end caps. If a part is past saving, we show you and explain why before anything is replaced.
- 04
O-rings and seals
The tank O-ring is cleaned, inspected for flat spots or cracks, and lubricated with a silicone-based lube. Petroleum products swell rubber, so we keep them away from your seals.
- 05
Restart and DE recharge
We reassemble, purge air, and bring the system up. DE filters get the correct charge of fresh powder through the skimmer. Then we note the clean starting pressure so you have a number to compare against.
Questions about Filter Cleaning?
Call(480) 582-9044Signs your filter needs cleaning
Pressure is up
Most filters are due when the gauge reads roughly 8 to 10 psi above the clean starting pressure. If you never recorded a starting number, a reading that keeps creeping up week to week tells the same story.
Weak return flow
Jets that used to push the surface now barely ripple it. Restricted media is one of the most common causes.
Cloudy water with good chemistry
If chlorine and pH test fine but the water still looks hazy, the filter may be passing fine particles or not turning the water over often enough.
DE in the pool
A gray dust on the floor after the pump runs usually points to a torn grid or a cracked manifold, not a dirty filter alone.
After a dust storm
Monsoon dust loads a filter fast. A cleaning afterward gets the pressure back down before the debris starts feeding algae.
How the visit runs
- 1
Quote by phone
You tell us the filter type and what you are seeing. We give you a free quote and set a time that works for your home.
- 2
Shutdown and teardown
We turn off power at the timer or breaker, release pressure, and remove the media. You do not need to be home as long as we can reach the equipment pad.
- 3
Clean and inspect
Media is degreased, treated for scale where needed, rinsed, and checked part by part. Anything worn gets photographed so you can see it.
- 4
Reassemble and restart
Same tech, same visit: seals lubricated, tank clamped, air purged, system restarted, and the clean pressure written down for you.
What affects the cost
Filter cleaning is priced by the type and size of filter and the condition we find inside. We explain the quote by phone before we come out, and if a worn part turns up during teardown we stop and talk to you before replacing it.
- Filter type
- Cartridge, DE and sand filters each take different time. DE grids involve more parts and a fresh powder charge.
- Size and number of elements
- A four-cartridge system takes longer to clean than a single large cartridge.
- How loaded the media is
- Heavy oil or calcium buildup needs a longer soak and a second treatment.
- Worn parts
- Split cartridges, torn grids, a cracked manifold or a flattened O-ring add part cost. Seriously damaged tanks or valves fall under our pool repair service.
Filter cleaning questions
How often should my filter be cleaned?
Go by the pressure gauge more than the calendar. Most pools here need a full cleaning a couple of times a year, and more often after heavy dust, pollen season or a lot of swim traffic. If the gauge rises about 8 to 10 psi over its clean reading, it is time.
Is backwashing my sand filter enough?
Backwashing clears loose debris, but oils and scale can cake the top of the sand bed over time. A periodic deep clean breaks that crust up. If the sand has channeled or worn smooth, it may need replacing instead.
Can I just hose off my cartridges?
Hosing between cleanings helps, and it is worth doing. It does not remove the oils and calcium in the fabric, which is why flow keeps dropping even after a rinse. A degrease and scale soak restores much more of the cartridge's capacity.
When should a cartridge be replaced instead of cleaned?
When pleats are torn, flattened or brittle, the end caps are cracked, or the cartridge still runs high pressure right after a proper cleaning. We tell you plainly which case you are in.
Can filter cleaning be part of weekly service?
Yes. Our weekly pool cleaning customers get their gauge checked on every visit, and we schedule filter cleanings when the reading calls for one. New weekly customers also get the free first month of weekly service.
Bring your pressure back down
Tell us your filter type and what the gauge reads. We will give you a free quote and send the same technician to handle the job from teardown to restart.