Cartridge Filter Troubleshooting Guide
Cartridge filters provide excellent filtration, but they must be cleaned regularly to work properly. This guide will help you fix pressure issues, flow problems, and cloudy water step by step.
Important: Always turn off the pump and release pressure before opening the filter.
Problem: High Pressure
What it means: The cartridge is dirty and restricting flow.
How to Fix It
- Turn off pump
- Release air pressure
- Open filter housing
- Remove cartridge
- Rinse with hose (top to bottom)
- Reinstall and restart system
If still high:
- Use cartridge cleaner solution
- Replace cartridge if worn
Problem: Low Flow
- Clogged cartridge
- Blocked pump basket
- Air leak in system
How to Fix It
- Clean cartridge thoroughly
- Check baskets
- Inspect pump lid seal
Problem: Cloudy Water
- Dirty cartridge
- Worn filter material
- Water chemistry imbalance
How to Fix It
- Deep clean cartridge
- Run filter longer
- Replace cartridge if needed
Helpful Tip: Most cartridges last 1–2 seasons depending on usage and maintenance.
Common Questions
- How often should I clean my cartridge?
- Why is my filter pressure high?
- How do I know if my cartridge is bad?
- Why is my pool still cloudy?
Contact Doheny's Customer Care
Need help? Our team is here for you.
📧 Email: customercare@doheny.com
📞 Phone: 800.574.7665
💬 Live Chat: www.doheny.com
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