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For in-ground pools, winterizing will depend on the severity of winter weather and temperatures which will be experienced.
In regions where winter freezes are rare, a pool and the associated equipment will not need to be drained. The use of a solar cover will help prevent water loss and will help maintain warmer temperatures. The pump should still be run daily (about 3-6 hours per day, depending upon the pool's volume and use rate) and weekly additions of chlorine or shock should be continued.
In regions where winter freezes occur frequently, one of two strategies may be employed.
1) If the pool equipment includes a heater, a solar cover, the pump, and the heater may be employed during periods of freezing weather to prevent ice blockages in transfer lines, and pool equipment. The pump and heater would need to run continuously during periods of freezing weather. This strategy will probably be the more expensive of the two because of energy and chemical costs., but might still be an option for those who wish to continue using the pool year-round.
2) The second strategy requires that the pool and equipment be drained and transfer lines be blown out with pressurized air. Remove an in-pool continuous cleaning devices. Drain the pool using the pool's pump to as low as level as possible without causing pump cavitation. It may be necessary to bail water from the bottom of the pool. Open the filter, clean the grids and housing, and reseal the filter. Clean out all traps and skimmers. Remove any chlorine tablets from the chlorinator (assuming the system has one) and store any partially used chlorine tablets in an airtight container. Using the access through the pump skimmer, use pressurized air or nitrogen to blow water out of the lines. Cover the pool with a sturdy cover to keep dirt and leaves out.
As a caution, avoid draining an in-ground pool if the ground surrounding the pool has a tendency to become saturated and swell. This condition could push the empty in-ground pool out of the ground or cause heaving of the coping.
For more information about closing a pool and pool maintenance issues, I would recommend this site: http://www.poolcenter.com/fall.htm
In regions where winter freezes are rare, a pool and the associated equipment will not need to be drained. The use of a solar cover will help prevent water loss and will help maintain warmer temperatures. The pump should still be run daily (about 3-6 hours per day, depending upon the pool's volume and use rate) and weekly additions of chlorine or shock should be continued.
In regions where winter freezes occur frequently, one of two strategies may be employed.
1) If the pool equipment includes a heater, a solar cover, the pump, and the heater may be employed during periods of freezing weather to prevent ice blockages in transfer lines, and pool equipment. The pump and heater would need to run continuously during periods of freezing weather. This strategy will probably be the more expensive of the two because of energy and chemical costs., but might still be an option for those who wish to continue using the pool year-round.
2) The second strategy requires that the pool and equipment be drained and transfer lines be blown out with pressurized air. Remove an in-pool continuous cleaning devices. Drain the pool using the pool's pump to as low as level as possible without causing pump cavitation. It may be necessary to bail water from the bottom of the pool. Open the filter, clean the grids and housing, and reseal the filter. Clean out all traps and skimmers. Remove any chlorine tablets from the chlorinator (assuming the system has one) and store any partially used chlorine tablets in an airtight container. Using the access through the pump skimmer, use pressurized air or nitrogen to blow water out of the lines. Cover the pool with a sturdy cover to keep dirt and leaves out.
As a caution, avoid draining an in-ground pool if the ground surrounding the pool has a tendency to become saturated and swell. This condition could push the empty in-ground pool out of the ground or cause heaving of the coping.
For more information about closing a pool and pool maintenance issues, I would recommend this site: http://www.poolcenter.com/fall.htm
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
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