Pool/Spa Filters & Cleaning

When you’re swimming in your pool, your body absorbs a lot of water through your skin. Hopefully, the water is clean because you don’t want contaminants seeping into your body. It’s crucial to have a functional, efficient pool filter installed to reduce the amount of dirt and contaminants in the water. Not only does it keep you healthy, but it also keeps your pool healthy. Think of it as your pool’s heart; its primary job is to circulate the water so that it remains sparkling clean.

Pool Remodel & Repair in Phoenix & Scottsdale


Emerald Pools and Spas recommends that you have a new working pool filter, as a malfunctioning one creates headaches for homeowners. There are three types of pool filters, and each comes with its own set of common (and possibly catastrophic) problems.

Diatomaceous (DE) earth filter

This natural, eco-friendly water polisher can trap debris as small as 5 microns. Made of tiny fossil exoskeletons, the heavy-duty DE creates balanced water flow throughout the filter tank. Common issues include DE blowback caused by a number of problems, from torn filter grid fabric to missing parts. A leaking drain valve or a clog caused mineral build up are of concern.

Cartridge filter

This type of filter can handle high-flow rates with optimum hydraulic performance. Corrosion resistant, it’s long lasting and provides the clearest water possible. However, sometimes dirt can get past the filter cartridge or the cartridge can get oily, clogging its pores.

Sand filter

Unlike the other two filter types, we recommend the sand be changed once every 3 to 5 years, depending on whether the sand has “rounded.”[link to sand changing area] Besides rounding, when the edges of the filter sand become worn and less effective at filtering, your filter could have a leak in one of its valves or broken laterals, which could result in sand blowing into the pool.

We recommend that you have a cartridge filter for ease of use and maximization of water flow, which reduces putting a heavy strain on the rest of the system. Even better, call Emerald to service your filter and optimize its efficiency.

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