Filter Cleaning & Maintenance
Your pool filter is the most important piece of equipment in your entire pool system. It removes dirt, debris, algae, bacteria, and microscopic contaminants from your water thousands of times a day. A dirty or malfunctioning filter leads to cloudy water, algae blooms, poor circulation, and premature equipment failure. Our filter maintenance service keeps your filtration system operating at peak performance.
- Complete Filter Disassembly & Cleaning
- Filter Media Inspection
- Pressure Testing & Monitoring
- O-Ring & Gasket Inspection
- Backwash & Rinse Service
Types of Filters We Service
We have the expertise and equipment to service all three major types of pool filters. No matter what kind of filter your pool uses, we know how to clean, maintain, and repair it.
Sand Filters
Sand filters use specially graded silica sand to trap debris and contaminants as water passes through the filter tank. They are the most common type of pool filter and are known for their low maintenance and long lifespan. Sand filters require backwashing every one to two weeks to flush out trapped debris. Over time, the sand media becomes worn and rounded, reducing its filtering ability. We recommend replacing the sand every three to five years for optimal performance. Our service includes backwashing, pressure monitoring, multiport valve inspection, and sand replacement when needed.
Cartridge Filters
Cartridge filters use a pleated polyester or paper-like material to capture debris as small as 10 to 15 microns. They provide excellent filtration without requiring backwashing, which means less water waste. Cartridge filters need to be removed and cleaned every four to eight weeks by spraying them down with a garden hose and soaking them in a filter cleaning solution. Cartridges typically last one to two years before they need to be replaced. Our service includes removing, inspecting, deep cleaning, and reinstalling your cartridges, as well as recommending replacements when the media is worn out.
DE (Diatomaceous Earth) Filters
DE filters provide the finest level of filtration available, capturing particles as small as 2 to 5 microns. They use a powder made from fossilized diatoms that coats a set of internal grids. DE filters produce the clearest water but require the most maintenance. They must be backwashed and recharged with fresh DE powder regularly, and the grids need to be removed and deep cleaned at least twice per year. Our service includes backwashing, DE recharging, grid removal and cleaning, grid inspection for tears or damage, and manifold inspection.
When to Clean Your Filter
Knowing when your filter needs attention is key to maintaining clear water and protecting your pool equipment. Here are the signs that your filter is due for a cleaning or service.
- High Filter Pressure: When the pressure gauge on your filter reads 8 to 10 psi above the clean starting pressure, it is time for a cleaning. High pressure means the filter is clogged and water flow is restricted.
- Cloudy Pool Water: If your water is cloudy despite proper chemical balance, the filter is likely not removing contaminants effectively and needs to be cleaned or the media replaced.
- Poor Water Circulation: Weak return jets or visibly reduced water flow from the returns indicates that the filter is obstructed and not allowing water to pass through efficiently.
- Algae Despite Proper Chlorine: If algae keeps returning even though your chlorine levels are adequate, a dirty filter may be failing to remove algae spores from the water.
- Short Filter Cycles: If you find yourself needing to backwash or clean the filter much more frequently than usual, the filter media may be worn out and due for replacement.
- Visible Debris Returning to Pool: If dirt or debris is blowing back into the pool through the return jets, the filter may have a damaged grid, torn cartridge, or channeling in the sand bed.
Our Filter Service Process
Here is what you can expect when our technician arrives to service your pool filter.
Initial Assessment
We start by checking the current filter pressure, inspecting the filter housing for leaks or damage, and evaluating the overall condition of the filtration system. We note the make, model, and size of your filter to ensure we have the right parts and media on hand.
Disassembly & Inspection
The filter is shut down and carefully disassembled. For cartridge and DE filters, the internal elements are removed for inspection. We check for cracks, tears, worn media, damaged grids, broken laterals, and deteriorating o-rings or gaskets that could cause leaks or bypass.
Deep Cleaning
Cartridges are sprayed down with high-pressure water to remove trapped debris from every pleat, then soaked in a professional-grade filter cleaning solution to dissolve oils, minerals, and organic buildup. Sand filters are backwashed thoroughly and inspected for channeling. DE grids are hosed down and inspected for tears before the filter is reassembled and recharged with fresh DE powder.
Reassembly & Testing
The filter is carefully reassembled with lubricated o-rings and gaskets. We restart the system, verify proper flow rate and pressure, check for leaks at all connections, and record the new clean starting pressure for future reference. You receive a complete report on the condition of your filter and any recommendations for parts or replacements.
Benefits of Professional Filter Maintenance
Regular professional filter maintenance provides significant advantages over neglecting your filter or attempting to service it yourself.
- Crystal Clear Water: A clean filter removes particles and contaminants that make your water cloudy, dull, or discolored. Professional cleaning restores your filter to peak efficiency so your water stays sparkling clear.
- Lower Energy Costs: A clogged filter forces your pump to work harder, drawing more electricity and increasing your energy bills. A clean filter allows water to flow freely, reducing pump strain and saving you money every month.
- Extended Equipment Life: When your filter is clean, your pump does not have to work overtime. This reduces wear on the pump motor, seals, and bearings, extending the lifespan of your most expensive pool equipment by years.
- Better Chemical Efficiency: Clean, well-filtered water allows your sanitizer to work more effectively. You use fewer chemicals when your filter is removing the bulk of contaminants mechanically.
- Prevent Costly Repairs: Neglected filters can lead to blown gaskets, cracked tanks, damaged pumps, and even plumbing failures. Regular maintenance catches small issues before they become expensive emergency repairs.
- Expert Diagnosis: Our technicians can identify filter problems that are invisible to the untrained eye, such as internal channeling in sand filters, micro-tears in DE grids, or early signs of cartridge degradation.
Filter Maintenance FAQ
Common questions about pool filter cleaning and maintenance.
How often should my pool filter be cleaned?
The frequency depends on your filter type, pool usage, and environmental factors. As a general guideline, sand filters should be backwashed every one to two weeks and have the sand replaced every three to five years. Cartridge filters should be removed and deep cleaned every four to eight weeks and replaced every one to two years. DE filters should be backwashed every four to six weeks and have the grids removed and deep cleaned at least twice per year. Pools with heavy usage, nearby trees, or high winds may need more frequent service. During our regular weekly cleaning visits, we monitor your filter pressure and recommend cleanings as needed.
How do I know what type of filter I have?
If you are not sure what type of filter your pool has, do not worry. Our technician will identify your filter type during the initial assessment. In general, sand filters are large round tanks with a multiport valve on top or the side. Cartridge filters are typically tall, cylindrical tanks that open at the top to reveal one or more pleated cartridge elements. DE filters look similar to cartridge filters but contain a set of curved grids coated with white DE powder. You can also check the label on your filter tank for the make, model, and type. When in doubt, just give us a call at 850-495-7318 and describe what you see. We will help you figure it out.
Can a dirty filter damage my pool pump?
Yes, absolutely. A clogged or dirty filter creates back pressure that forces your pump motor to work much harder than it was designed to. This extra strain increases the motor's operating temperature, accelerates wear on the bearings and seals, and can cause the motor to overheat and fail prematurely. A consistently clogged filter can take years off your pump's lifespan and lead to an expensive replacement that could have been prevented with regular filter cleaning. In severe cases, excessive pressure can also crack filter tanks and blow out o-rings, causing leaks and water loss.
Should I replace my filter or just clean it?
In most cases, regular cleaning is sufficient to maintain filter performance. However, there comes a point when the filter media is too worn or damaged to be effective. Cartridge elements should be replaced when the pleats are flattened, torn, or no longer come clean after soaking. Sand should be replaced when it becomes compacted or channeled and backwashing no longer reduces the pressure. DE grids should be replaced when they develop tears or holes that allow DE powder to pass through into the pool. Our technicians will always give you an honest assessment of whether your filter media can be cleaned or needs to be replaced, and we will never recommend a replacement unless it is truly necessary.