De pool filter maintenance can be a little bit complicated but doable for any handy pool owner with a little patience and knowledge about how the filters work. The most common form of maintenance you will perform is a backwash and with average use you should need to be backwash the filter once every month or two depending on usage.
The pressure gauge located on your filter should be monitored on a regular basis and when the pressure rises between 8 - 10 psi over normal starting pressure it's time to complete a backwash. Normal starting pressure is the amount of pressure immediately after completing a backwash or as per the manufacturers recommendations. Also refer to the manual that accompanied your filter for more details on proper operating pressure.
The are 3 important steps in order to complete a thorough de pool filter maintenance. The steps should be carried out in order and as often as necessary. We've put together a step by step guide to help you along that include a backwash, grid cleaning and recharging with new diatomaceous earth filter powder.
The next step in de pool filter maintenance is cleaning the filter. If the filter is not keeping your pool clean for at least a month and not related to water chemistry, it might indicate the filter needs to be cleaned. This should only need to completed once or twice a year.
The amount of DE required will vary depending on the size of your filter but a good estimate is:
1/2 Cup DE per square feet of filter. Example: 48 sq ft = 24 cups DE
The DE should be mixed with water in a bucket and should resemble a milky substance. The mixture is then added to the skimmer with the pump running so it can be drawn into the filter. This allows the DE to be evenly distributed over the grids and should provide months of crystal clear water.
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