A Guide for Cleaning Pool Filter Cartridges

Maintaining a sparkling, crystal-clear swimming pool doesn’t just happen on its own. One of the most critical, yet often overlooked, steps in pool upkeep is keeping the pool filter cartridge clean. A well-maintained filter ensures efficient water circulation, prevents debris build-up, and keeps your pool a haven for relaxation—not algae.

If you’re tackling this task for the first time or you’re simply looking for tips to make the process easier, this guide will walk you through cleaning your pool filter cartridges step by step. Whether you're a pool owner in Winter Park, FL, or anywhere else, these tips will help you maintain your pool’s beauty and functionality.
 

Why Pool Filter Maintenance is Key

Your pool filter plays a major role in keeping your pool water clear and healthy. When the filter cartridge clogs with dirt, oils, and debris, it becomes less effective, putting unnecessary strain on your pool's pump. This can lead to higher electricity costs and, over time, costly repairs.

Here’s why regular pool filter cleaning is essential:

• Keeps Water Sparkling Clear: A clean filter removes debris and particles that cloud your pool's water.
• Prolongs Equipment Life: Cleaner filters mean less wear and tear on your pool pump.
• Improves Chemical Efficiency: Dirty filters interfere with proper water chemistry, requiring you to use more chemicals to balance your pool.
• Saves You Money: Proper maintenance reduces the likelihood of costly repairs or needing more frequent cartridge replacements.

Now that you know the “why,” let’s jump into the “how.”
 

Step 1: Understand When to Clean Your Pool Filter Cartridge

Before cleaning your cartridge filter, it’s important to know when the task is necessary. Here are some common signs your pool filter cartridge might need attention:

• Rising Pressure on the Filter Gauge: If the pressure gauge on your filter increases by 8–10 PSI (pounds per square inch) from its normal operating level, it’s time to clean the filter.
• Reduced Water Flow: If your pool pump seems to be struggling or water flow to your pool's jets has slowed, the filter may be clogged.
• Murky Water: Cloudy or dirty water can indicate that the filter isn’t doing its job effectively.

To stay proactive, schedule filter cleaning as part of your routine pool maintenance every 4–6 weeks—even if you don’t notice any warning signs.
 

Step 2: Gather the Right Tools

Cleaning your pool filter cartridge is a relatively simple process, but you’ll need the right tools for the job. Here’s your checklist:

• A garden hose with a spray nozzle for rinsing
• A bucket or tub large enough to soak the cartridge
• A filter degreaser or cleaning solution to remove oils and deep-seated debris
• A cleaning wand or filter cleaning tool for a more precise clean (optional but recommended)
• Rubber gloves to protect your hands when handling cleaning chemicals

Once you have your tools ready, you’re good to go!
 

Step 3: Shut Off the Pool System

Safety first! Before starting:

1. Turn off your pool pump and filter system at the power source.
2. Close any valves that might allow water to flow into the filter area while cleaning.

This ensures a smooth and mess-free cleaning process.
 

Step 4: Remove the Filter Cartridge

Carefully follow these steps to access the filter cartridge:

1. Release Pressure: Most pool filters have an air release valve. Open it to release any pressure inside the filter housing.
2. Unscrew the Lid: Open the filter housing by following the manufacturer’s instructions. Use gloves for grip if the lid is tight.
3. Remove the Cartridge: Gently take out the cartridge and inspect it for visible dirt, algae, or damage.

If your filter cartridges show signs of significant wear or tears, it’s time to replace them.
 

Step 5: Rinse the Cartridge

Now it’s time for the fun (and messy) part:

1. Use your garden hose with a spray nozzle to rinse the cartridge.
2. Focus on spraying between the pleats to remove dirt, leaves, and debris. Work from top to bottom and rotate the cartridge as you go.
3. Avoid using a pressure washer, as high-pressure water can damage the filter material.

For a more thorough clean, you can use a filter cleaning tool that’s designed to reach deep into the pleats.
 

Step 6: Deep Clean with a Filter Solution

Rinsing with water isn’t always enough to get rid of oils, lotions, and sunscreen residue. That’s where a filter cleaning solution comes in. Here’s how to do it:

1. Prepare the solution by following the instructions on the cleaner package.
2. Place the cartridge in the bucket or tub, ensuring it’s fully submerged in the cleaner solution.
3. Allow it to soak for at least 8–12 hours (overnight, if possible).
4. Rinse thoroughly with clean water to remove all traces of the cleaning solution.

This deep cleaning step is crucial for removing stubborn grease and restoring the filter’s efficiency.
 

Step 7: Reassemble and Restart

Once your filter cartridge is clean, reassemble the housing. Here’s how:

1. Place the cartridge back into the filter housing securely.
2. Close the housing lid and tighten it as instructed.
3. Reopen the valves you closed earlier, and turn the filter system back on.
4. Check for proper pressure on the gauge to ensure everything is functioning correctly.

Your pool filter is now clean and ready to keep your water sparkling!
 

Step 8: Regular Maintenance is Key

Keeping up with a regular pool filter cleaning schedule is the best way to extend the life of your filter cartridges and maintain clear water. Mark your calendar for cleanings every 4–6 weeks, and don’t forget to deep clean with a solution at least twice a season.
 

Professional Help for Pool Cleaning in Winter Park, FL

While cleaning a pool filter cartridge is manageable for many pool owners, sometimes other pool maintenance tasks require professional care. If you need help cleaning your pool filter or want comprehensive pool maintenance, Pure & Simple Poolcare in Winter Park, FL, has your back.

Our experienced team provides expert pool cleaning, equipment inspections, and everything in between, ensuring your pool stays in pristine condition all year round.

Contact us today for a free estimate and experience hassle-free pool care!