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SAND FILTRATION MAINTENANCE
Backwashing your sand filter
It is recommended to backwash sand filters when the pressure reading on the tank reaches from 5-9 pounds above the normal operating pressure. You should expect to be backwashing a sand filter once a week, depending on how dirty your pool has been. For a commercial swimming pool where it is being used by many people continuously, you might find yourself backwashing about every few days.
The backwashing process
Clean all the debris from the skimmer basket and filter pump basket. Remove all debris that might be trapped around the main drains such as leaves, sticks and toys. If you don’t remove this debris then it is possible the backwashing process might cause these items to force back into your pool. Make sure you have turned off the power to the system and proceed as follows:
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WARNINGNEVER move the backwash valve while your pump is running! Make sure the pump and entire system (for added safety) are in the off position. It might be a better idea to turn the pool system breaks off just in case you have an automated system that could activate the system (due to its programming) while you are servicing it. Serious injury or damage to the system can occur if you do not follow this warning. |
How to change the sand in your filter tank
It is recommended to remove and change the sand inside your filter tank about once every five years. If your pool has been running dirty, you have been fighting algae problems on a regular basis then you might need to change the sand within about six months or so.
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