How do I Clean a Pool Filter


A clean pool filter is crucial for maintaining bather comfort and extending the life of pool equipment.
Instructions; How do I Clean a Pool Filter:

Step 1: Clean a crushed sand filter by back flushing water through the system on a regular basis (about once a month). Your system’s pump station will come with instructions on how to reverse the water flow to clean the debris from the filter.

STEP 2: Replace the sand in a crushed sand filter completely every three to five years, depending on the amount of use the pool gets during each season and the kinds of large airborne contaminants your filter encounters.

STEP 3: Replace the diatomaceous earth in a diatomaceous earth filter two or three times a year to make certain the grid-structured system filter is working at maximum efficiency.

STEP 4: Rinse a modern enhanced cartridge filter in the sink when the pressure gauge on your pump begins to show a rise in pressure of 10 or more lbs., and then place it back into the unit.

STEP 5: Replace the cartridge of these modern enhanced filters every two to three years. You will know its time to replace the filter when the pressure doesn’t go back down to the normal range; it has become clogged with hard deposits that cannot be rinsed out.

Tips & Warnings; How do I Clean a Pool Filter

Diatomaceous earth, or DE, filters use tiny fossil skeletons as a filtering agent. The DE is placed into a grid system that the water runs through.
Crushed sand filter systems are being outlawed in a growing number of areas because of the need to back flush, which causes contaminated water to mix with groundwater supplies.

The new enhanced cartridge filters far outperform the old cartridge type systems and the other methods described here without being damaging to the environment; they are the future in pool filtering. I Hope this has answered your question on how do I clean a pool filter.

Pool Filters, Swimming Pool Filters, Spa Filters, Discount filters


Waterco W250

The filter is the hardest worked piece of equipment on your swimming pool or spa. Pool filters and Spa filters work round-the-clock to filter impurities so you can enjoy pure water. You’ll want a durable pool or spa filter that will remove even the smallest debris and sediments from your water. Here is some helpful advice to assist you in selecting a swimming pool filter or spa filter:

Sand Filters

Waterco W300

These filters use – you guessed it – sand as the filtering medium. Sand filters look like large balls and they hold hundred of pounds of pool-grade sand. Basically, water flows into the top of the filter housing and makes its way down through the sand bed where the sharp edges of the sand catch the dirt. On a micron-to-micron comparison, sand filters remove the least amount of dirt – particles as small as 20 to 25 microns. But again for a time, the dirt left behind contributes to the filtering process. Sand filters certainly are efficient enough to keep just about any pool clean. Waterco

To keep a sand filter working, depending on the size of the filter you must clean it as often as once a week during swimming season. Maintenance means backwashing where the flow of clean water is reversed back into the filter. The problem with this, however, is that backwashed water is simply wasted. A typical backwashing session can waste a few hundred gallons of water – water that must be replaced in the pool.

Cartridge Filters
Cartridge filters have been around for some time, but they seem to be gaining in popularity in many parts of the country. They consist of a tank that houses three or four cylindrical filtering elements. The filters are actually made of polyester or some other material that can provide a superfine filtering surface. The fabric catches and holds the impurities until you clean or replace the filter.

Waterco-Outdoor-Water-Filter-Malaysia-W250The cartridge can filter out anything down to about 5 to 10 microns in size. A grain of table salt is about 90 microns; anything below about 35 microns is invisible to the naked eye. It is important to remember that with any filter a small amount of dirt actually aids the filtering process. In most areas cartridge filters are less expensive than diatomaceous earth filters but cost more that sand filters. However cartridge filters are more popular because of the minimal maintenance involved. Some families will find it sufficient to simply hose off the cartridge filter a few times during swimming season to keep them working properly. Others may need to soak the filters in detergent or replace them. In any case, maintenance takes only a few minutes to the filtration system in top shape.

Diatomaceous Earth Filters
DE Filters, these products can filter out dirt as small as 3 to 5 microns. If you opened the tank of a DE filter it would look somewhat similar to a cartridge filter. But the grids are packed with diatomaceous earth, a powder made up of billions of fossilized plankton skeletons. It is the powder that actually catches and holds the dirt.

DE Filters are usually the most expensive type, and they get your pool water cleaner than the other filters. But the necessary maintenance can be a drawback for some homeowners. Most manufactures call for backwashing to clean the filter. In backwashing, the system reverses the flow of water. The clean water cleanses the filter. The dirty water is drained from the system. more info at

Waterco Water Filter

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