Ideally, 24 hours a day, 7 days a week. But since that is not reasonable for everyone’s equipment or budget, it is advisable to run your filter at least 10 to 12 hours a day. That will turn the water over a few times and also help to keep your pool safe and clean. the other key component to good pool circulation is constantly backwashing your Swimming pool filtration plant & pool in Delhi. If you aren’t sure about cleaning a pool filter, it is imperative to learn and make it part of your regular pool care routine from clear ion experts.