ServicesFilter Cleaning
Pool Filter Cleaning in Chandler
A clogged filter makes your pump work harder and leaves the water dull no matter how much chlorine goes in. We take the filter apart, clean the cartridges, grids or sand properly, check every seal and reassemble it to the manufacturer's spec.
Clean water starts at the filter
Your filter catches the dust, pollen, leaves and sunscreen that the pump pulls through every day. Over time that debris packs into the pleats or grids, flow drops, pressure climbs and the water stops sparkling. A hose-off from the deck helps a little, but oils and mineral scale stay locked in the media.
Filter cleaning is also a safety job. A filter tank runs under pressure, and a lid or clamp band that is seated wrong can let go. We follow the manufacturer's instructions for your model on every reassembly, bleed the air properly and watch the gauge before we leave.
We also pay attention to where the dirty water goes. Many Valley cities limit what can run into the street or storm drain, so we route backwash and rinse water the way local rules allow. You don't need to look any of that up; we explain it plainly when you call.
What a filter cleaning includes
- Cartridge deep clean
- We pull each cartridge, rinse the pleats from the top down and soak them in a degreaser when oils have built up. If calcium is clogging the fabric, we treat that too, since hard water leaves scale that a hose can't move.
- DE grid cleaning and recharge
- For DE filters, we take out the grid assembly, wash every grid and inspect them for tears. After reassembly we add the correct amount of fresh DE for your filter's size.
- Sand filter backwash and media check
- We backwash, rinse and look at the condition of the sand. If it has channeled or turned to clumps, we tell you and explain what replacement involves before any work is done.
- Seals, gauge and air relief
- We inspect the tank O-ring, the pressure gauge and the air relief valve. Worn parts are the usual cause of leaks and false pressure readings, and we show you what we find.
- Pressure check after restart
- Once the system is running again, we record the clean starting pressure. That number tells you and us when the next cleaning is due.
Signs your filter needs cleaning
Pressure is 8 to 10 psi above normal
Most manufacturers recommend cleaning once the gauge climbs that far above the clean reading. If you don't know your clean number, we'll set one.
Cloudy water despite good chemistry
When the chlorine and pH test fine but the water still looks hazy, the filter often can't hold fine particles anymore.
Weak flow at the returns
Less push from the jets means the pump is fighting a clogged filter. That strain adds wear to the motor.
Debris or DE blowing back into the pool
A fine gray powder on the floor after a DE cleaning, or sand near the returns, points to a torn grid or a broken lateral.
Pressure climbs right after a cleaning
If the gauge rises again within days, the media may be worn out or packed with scale. After a monsoon dust storm this can happen fast, so we check it then.
What affects the cost of filter cleaning
Most cleanings are straightforward, and the quote you get by phone reflects your filter and its condition. If we find a part that needs replacing, we tell you before we install it. Nothing gets added without your okay.
Filter type and size
A single large cartridge filter takes less time than a four-cartridge unit or a DE filter with a full set of grids.
How dirty or scaled the media is
Heavy oil buildup or calcium in the pleats needs a soak, which adds time compared with a rinse.
Parts that need replacing
Torn grids, worn cartridges, a cracked gauge or a flattened O-ring add parts cost. As an ROC licensed company, we install replacement parts properly, and those repairs follow manufacturer warranties, between 1-2 years.
Fresh media
New DE after a grid cleaning, or new sand when the old bed has failed, is part of the price when it's needed.
How the visit goes
- 1
Shut down and depressurize
We turn off the pump at the breaker or timer, open the air relief and drain the tank. Nobody opens a filter that still holds pressure.
- 2
Disassemble and inspect
We remove the lid or clamp, pull the cartridges, grids or check the sand, and look over each part for tears, cracks and worn seals.
- 3
Clean and handle the rinse water
The media is washed and degreased where needed. Rinse and backwash water goes where local rules permit, not down the gutter by default.
- 4
Reassemble, restart and record
We lubricate the O-ring, seat the lid to spec, bleed the air and restart. We note the clean pressure and walk you through anything we found.
Filter cleaning questions
How often should my pool filter be cleaned?
Go by the pressure gauge rather than the calendar. Clean once it reads about 8 to 10 psi above the clean starting number. In the Chandler area, dust and leaf drop in spring and late summer can shorten that interval, so many pools need it a few times a year.
Should I clean my cartridges or replace them?
Cartridges can be cleaned many times, but the fabric wears out. If the pleats are torn, flattened or stiff with scale that won't come out, cleaning won't bring back good filtration. We'll show you the cartridge and give you an honest answer.
Can I just hose the filter off myself?
A quick rinse between cleanings is fine. A full cleaning includes degreasing, checking the seals and reassembling the tank correctly, and that last part matters because a filter runs under pressure. If you'd rather not handle it, we're happy to.
What happens to the backwash and DE water?
We route it the way local rules allow, which often means a sewer cleanout instead of the street. Used DE is collected rather than left on your yard or in the gutter.
Can filter cleaning be added to weekly service?
Yes. If you sign up for weekly pool cleaning, we can keep an eye on your gauge and schedule filter cleanings as the pressure calls for them. Weekly service comes with a free first month and no contract, so you're free to cancel whenever you decide it's not for you.
Let's get your water moving again
Tell us what kind of filter you have and what the gauge reads. We'll explain what it needs and give you a free quote over the phone.