10 Essential steps to winterize a swimming pool

Winter is drawing down upon us quickly now.  Many people who have their swimming pool for the first time may not have the necessary experience to prepare their pool for the cold weather.

There are a few way you can prepare for the change in temperature and the effects this can have upon a swimming pool with it but there are at least 10 essential steps you must take if you are to winterize your swimming pool.

1. Backwash your filter
   There is a guide on how to do this on Wikihow if you don't know how to do it already.  There is usually a setting on your pump which is clear on how to do this.
2. Check pH levels
   Checking the alkalinity and calcium hardness are all in balance protects your pool from buildups that may cause damage.  Adjust the pH to a level between 7.2 and 7.6 - this is a safe and pH neutral area to aim at.  The alkalinity such be between 80 to 120 parts per million.
   
3. Shock your pool with Chlorine
   Follow the instructions on your product for the best way to use it.  Using a shock chlorine product will kill any bacteria that may be living in the pool.  This should be a stronger product than you would normally use when it is mixed for regular use as the pool will be closing down for winter.  It is important to let your chlorine levels come back up to approx 1 to 3 parts per million before moving on.
   
4. Close the skimmer valve and lower your water level
   Lower the level of the pool water to approximately 30 cms below the skimmers as a frost precaution and plug and empty out the skimmer.
5. Add some winterizing cleaning chemicals
   If your pool is not used during the winter then it is possible that algae will form.  Use a winterizing algaecide product will kill any algae that may have formed and will also prevent any further growth from occurring.
   
6. Remove all equipment
   Any equipment such as ladders, baskets or hoses etc must be removed and cleaned thoroughly and where appropriate store in a safe location for the winter.
7. Drain  and store the pump
   Once your pump has been through the backflush process it is important that it is removed and stored in a dry place for winter.
   
8. Use a heavy duty winter pool cover
   This will prevent any frost from forming if you have an outdoor pool and will also prevent any debris from falling into the pool.
9. Keep a check on water and adjust
   Periodically check your water levels and pH levels and adjust them as necessary.
10. Use pool alarms
    Accidents can happen at any time and you need to be prepare for this.  Even when your pool is not in use during the winter months you should use a pool alarm in case pets or children fall in.