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Proper pool maintenance is a must to keep your pool water sparkling and clean. One of the most important pieces of equipment to maintain is the filter. There are three basic types of filtration systems – Sand, Cartridge and DE. Whichever system you have, you will need to be sure to clean and care for your filter. Pool filters are essential to reliable operation. The truth is that no matter how hard we try, it is inevitable that dust, dirt and debris will make their way into the water of any swimming pool. Leave such unwanted pollution untreated and it’s likely to accumulate rather quickly, creating cloudy water and ideal conditions for an algae population. Which variety you opt for can be as much a matter of personal preference as it is necessary. Here are some links with more information for you to pick the best filter and pump for your swimming pool. I hope this helps.

I think you can go for Hayward superpump. They have some good pump series for in ground swimming pool. Which are technologically advanced pumps blends cost-efficient design. You can check for " Hayward SP2610X15 " series.