
Pool filters and related equipment are essential for maintaining a clean and safe swimming environment. When something goes wrong, it’s important to act quickly to prevent further issues. This guide will help you identify common problems with pool filters and equipment, troubleshoot them, and know when it’s time to call in the pros.
Common Signs Your Pool Filter or Equipment Is Malfunctioning
The first step in troubleshooting is recognizing that something isn’t working correctly. Keep an eye out for these common signs of trouble:
Cloudy Water: If your pool water isn’t crystal clear, it’s a strong indicator that your filtration system isn’t working effectively.
Low Pressure or Weak Flow: A reduction in water circulation could mean there’s a clog or pump issue.
Noisy Equipment: Unusual grinding, screeching, or rattling sounds are signs your equipment may need immediate attention.
Increased Filter Pressure: Most filters should be running 15-25 PSI or pounds per square inch. Take a look at the filter gauge on top of the tank and if you notice it is at the top end of that range or above you probably are due for a filter cleaning.
Increased Energy Bills: A malfunctioning pump or motor can cause your energy costs to skyrocket due to inefficiency.
Troubleshooting Pool Filter Issues
Filters are the backbone of your pool’s cleaning system. Here’s how to handle common problems:
1. Dirty or Clogged Filter
A dirty filter is one of the most common culprits behind filtration issues. If your water flow is weak or the water isn’t clear, you should backwash sand or DE filters to remove debris. Rinse and replace the cartridge in cartridge filters if necessary.
2. Pressure Gauge Concerns
The pressure gauge on your filter is a helpful diagnostic tool. High pressure may indicate a clogged filter, closed return valve, or debris buildup. Low pressure is often a sign of a clogged skimmer or pump basket or a suction leak.
3. Leaks Around the Filter Tank
Check the O-ring or gasket on your filter tank. Over time, these can dry out or crack. Replacing them is often a simple fix.
Dealing with Pump Problems
Your pool’s pump works alongside the filter to keep water circulating. Here are some pump-related issues you might encounter and their potential fixes:
Pump Troubleshooting Tips
- Pool Pump Not Running/Won’t Turn On:
Check the circuit breaker or GFCI outlet.
Ensure the timer settings are correct.
Look for loose wiring or blown fuses.
- Pump Losing Prime:
Check for air leaks in the suction side of the plumbing.
Ensure the pump lid O-ring is clean and lubricated.
Make sure the water level in the pool is high enough.
- Pump Is Overheating:
Ensure proper ventilation around the motor.
Inspect for blockages in the impeller.
Confirm that the pump is rated for your pool size and needs.
When to Call a Professional

Some issues, like persistent leaks, broken equipment, or recurring problems, require expert help. Attempting to fix advanced issues without proper knowledge can lead to more damage or safety risks.
Troubleshooting pool filters and equipment can sometimes feel overwhelming, but you don’t have to do it alone. At Blue Science, we’re here to keep your Florida pool in top shape. Whether you need pool equipment repairs or regular cleaning, contact us today to schedule service and enjoy a crystal-clear pool year-round!