Baton Rouge Pool Company Blog

Common Baton Rouge Pool Problems (And How to Catch Them Before They Get Expensive)

Written by Lucas Firmin | Sep 22, 2026, 9:46:44 PM

The most common Baton Rouge pool issues are surface cracks, clogged or worn filters, malfunctioning heaters, failing pool lights, leaks at the skimmer or pump, and clogs in the cleaner or pump impeller. Most are inexpensive to fix if caught early and become costly if ignored through winter.

As we head into fall, temperatures are still mild and a freeze isn't yet in the forecast, which makes this the ideal window to assess your pool's condition. Catching a problem now, while the weather is easy to work in, usually means a smaller repair bill than waiting until spring startup. Below are some of the most common Baton Rouge pool problems we see, what causes them, and when to call a professional.

Quick Reference: Common Pool Problems at a Glance

Problem

Common Warning Signs

Typical Fix

Surface cracks or tears

Visible cracks in plaster, concrete, or vinyl liner

Patch or resurface; replace liner section

Dirty filter

Murky water, frequent backwashing, rising pressure

Clean or replace sand/cartridge media

Heater not working

Error code, inconsistent heating

Component diagnosis and repair

Pool lights out

Dead bulb, damaged cover, faulty fixture

Bulb, cover, or fixture replacement

Leaks (skimmer/pump/filter)

Water loss, debris pulled into cracks, wet spots

Reseal, replace gasket, or patch

Clogged cleaner or impeller

Reduced suction, cleaner not moving

Clear debris, inspect impeller

What Do Cracks or Tears in a Pool Surface Mean?

Cracks or tears in a pool's plaster, concrete, or vinyl liner create a safety hazard and can worsen over time if left alone. They may look purely cosmetic at first, but prompt attention from a professional can prevent a much larger repair later.

Surface damage typically shows up in:

    • Plaster finishes
    • Concrete pool surfaces
    • Vinyl liners

If you notice a crack, tear, or other surface damage, it's worth having a pool renovation specialist take a look. Cracks that go unaddressed through a Louisiana winter tend to spread with freeze-thaw cycles and soil movement and can turn a simple patch job into a full resurfacing project.

 

"In over 20 years of building and maintaining pools in this area, the cracks we catch in the fall almost always cost less to fix than the ones we find at spring startup. A hairline crack today can become a resurfacing job by summer if it's ignored." — Lucas Firmin

 

Why Is My Pool Filter Not Keeping the Water Clean?

A pool filter stops keeping water clean when its filter media is worn out, clogged, or no longer catching debris effectively. Frequent backwashing, murky water, debris passing through the system, or pressure that rises quickly after cleaning are all signs it's time to replace the sand or cartridges.

Ask yourself:

    • Do you need to backwash your sand or DE filter more often than usual?
    • Does the pressure gauge rise quickly after you clean the cartridges?
    • Is your pool water murky?
    • Do you notice debris returning to the pool?

Cartridge filters and filter sand generally last five to eight years, though hard water and heavy use can shorten that lifespan. Replacing worn filter media makes a noticeable difference in water clarity and circulation. For a deeper look at keeping filters and pumps in good shape year-round, see our post on properly caring for your pool filter and pump.

Why Is My Pool Heater Not Working?

A pool heater usually stops working because of a malfunctioning component, which most modern units flag with an error code or indicator light. Even if you didn't need the heater during Baton Rouge's hottest months, it's worth checking now, before cooler temperatures arrive and you're ready to swim again.

If you see an error message, notice inconsistent heating, or have any concerns about your unit, it's best to speak with a pool repair specialist before the problem gets worse.

How Do I Know if My Pool Lights Need Repair?

Pool lights need repair when bulbs stop illuminating, light covers are damaged, or the fixture isn't operating correctly. As daylight hours shorten, working pool lighting keeps your backyard safer and keeps the pool a usable part of your evening space.

Check that your pool's:

    • Bulbs are working
    • Light covers are secure and intact
    • Fixtures are operating properly

If anything isn't working correctly, have it inspected by a qualified pool professional rather than waiting.

Where Do Pool Leaks Usually Occur?

Pool leaks most commonly occur at the skimmer, filter, or pump. Identifying the source early protects your equipment, reduces water loss, and keeps a small issue from becoming a costly repair.

How Can You Tell if a Pool Skimmer Is Leaking?

A pool skimmer typically leaks when its faceplate is improperly gasketed, the skimmer has separated from the pool wall, or cracks have formed in the side wall. Small sticks, leaves, or other debris that seem to be pulled into a crack are a telltale sign water is escaping through that area.

Check the skimmer for:

    • An improperly gasketed faceplate
    • Separation around the skimmer
    • Cracks in the side wall
    • Debris being drawn into a visible crack
Where Can a Pool Pump Leak?

Pool pumps rarely leak around the lid or the intake pipe, since the suction side creates a vacuum effect. Instead, leaks typically show up at the discharge pipe coming out of the pump or near the bottom of the seal plate.

Inspect the pump area for water around:

    • The discharge pipe coming out of the pump
    • The bottom of the seal plate

If your pool pump is aging or showing repeated leak issues, it may be more cost-effective to replace it than to keep repairing it.

 

What Should You Do if Your Pool Filter Is Leaking?

A leaking filter should be addressed promptly, since it can affect your equipment and your pool's longevity. A leak through pinholes in the filter tank usually means the tank needs to be replaced, while a leak at the belly band or air bleeder assembly may only require new O-rings.

Common filter leak locations include:

    • Pinholes in the tank body
    • The belly band
    • The air bleeder assembly

If the tank itself is leaking through pinholes, plan on a full replacement. If the leak is around the belly band or air bleeder assembly, new O-rings are often enough to stop it.

How Do Pool Clogs Affect Pool Equipment?

Clogs reduce the efficiency of your pool cleaner or pump by blocking water and debris from moving through the equipment properly. Debris caught in a pool cleaner is usually a quick fix, but a clogged pump impeller requires shutting off the power and carefully clearing the blockage.

For a clogged pool cleaner:

    • Turn off the equipment as needed.
    • Remove the trapped debris.
    • Check that the cleaner moves and operates normally.

For a clogged pump impeller:

    • Shut off power to the pump.
    • Open the pump.
    • Expose the impeller.
    • Remove the debris causing the clog.

Other pump issues to watch for include melted pump fittings or air in the pump basket. A melted or shrunken fitting should be replaced before it causes a bigger repair, and air in the basket often points to that same melted fitting or an improperly seated O-ring. For more on diagnosing repair needs before they escalate, see common pool repairs that can upgrade your pool.

Simple tasks, such as clearing debris from a pool cleaner, may be easy to handle yourself. However, problems involving the pump, filter, heater, plumbing, or pool structure should be professionally diagnosed to prevent further damage.

Regular professional care can also help catch small issues before they become costly repairs. Lucas Firmin Pools offers dependable pool service and maintenance plans designed to keep your water clean, your equipment operating efficiently, and your pool ready to enjoy throughout the year. Explore your service options or contact the Lucas Firmin Pools team to find the right maintenance plan for your pool.