how often should pool filter run

Author: Poolking - Swimming Pool Equipment Manufacturer

How Often Should Your Pool Filter Run to Keep Your Water Fresh?

Swimming pools are the ultimate luxury during the hot summer months; they provide a refreshing break from the heat and a place for relaxation and fun. However, maintaining a pool requires ongoing effort, and one of the most important aspects of pool maintenance is keeping the water clean and fresh. For this purpose, pool filters play a crucial role. But how often should pool filters run? In this article, we'll dive into the details to help you determine the perfect filtration routine for your pool.

1. The Basics of Pool Filtration Systems

Before we get into the nitty-gritty of how often your pool filter should run, it's important to understand how the filtration systems work in the first place. There are three types of pool filters: sand, cartridge, and diatomaceous earth (DE) filters. Each filter has its own unique performance and maintenanceability.

Sand filters are the most popular type, as they are affordable, easy to operate, and low-maintenance. Cartridge filters work similar to sand filters but use replaceable cartridges rather than sand. Generally, they have lower energy requirements but require more frequent cleaning. DE filters use fossilized algae to filter water - they’re the most efficient filter type but require regular backwashing.

2. The Ideal Pool Water Flow Rate

When it comes to how often pool filters should run, it depends on various factors, including filter type, pool size, and water flow rate. The water flow rate is a crucial factor in determining the filtration system's performance. Ideally, pool water should circulate entirely through the filter system within six to eight hours. If you have a large pool or heavy bather load, the water flow rate will be faster, meaning the pool filter will need to run more frequently.

3. Determining the Ideal Filter System Run Time

Based on the water flow rate, pool size, and bather load, you can determine how often your pool filter needs to run. On average, pool filters should run at least eight hours a day during the summer months (May-September). During the winter months, the filter runtime can be lowered to four hours a day.

If you have a heavy bather load or a large pool, you may need to run your pool filter more frequently - 10-12 hours per day is typical in such cases. Remember, a well-maintained pool filter can filter up to 100,000 gallons of water each day!

4. Consider Adding a Timer to Your Pool Pump

Manual control of pool filtration is fine, but you can quickly run into forgetfulness or run into problems if you become busy. Pool maintenance can be automatically scheduled by adding timers to the pool pump, which will control when the filter turns on and off. If you forget to turn the pump off, you'll end up with high electricity bills! A timer will help you save on your electricity bills, reduce pool water evaporation, and increase your pool's longevity.

5. Make Sure to Clean Your Pool Filter System Regularly

No matter how often your pool filter runs, it's essential to clean it regularly to optimize its performance. Cartridge filters and DE filters require more frequent cleaning, while sand filters need to be cleaned every six weeks or so. Proper maintenance will help keep your pool water clear, keeping everyone healthy and safe.

In Conclusion

Pool filters are the backbone of pool maintenance - they help keep the pool water clean and free of debris, dirt and, especially, contaminants that can harm swimmers' health. How often your pool filter should run will depend on factors like pool size, bather load, and filter type. Generally, pool filters should run eight hours a day during summer and four hours a day in winter. Setting a timer and regular maintenance will also help ensure your pool's water quality stays top-notch.