WINTERIZING YOUR POOL
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Use these steps as a guide. Consult your dealer for specific information in your area and
additional requirements.
WARM CLIMATE
1. Reduce the number of hours the pump runs since the cooler weather decreases the spread
of algae and other pollutants.
2. There is no need to shock the pool during cool weather unless the water becomes cloudy (as
may occur after a winter storm).
COLD CLIMATE
1. Check total alkalinity and pH of pool to make sure that they are in proper balance.
2. Vacuum the pool bottom to remove any debris or other potential contaminants.
3. Manually shock the pool according to manufacturer’s instructions to clear the water. This is
not the same as the superchlorinate function on the DuoClear.
4. Add a winter algaecide following manufacturer’s instructions.
IMPORTANT: Do not use a winter algaecide with copper in it.This will void the DuoClear
no-stain warranty.
5. Backwash the filter.
6. Drain part of the pool water.The amount to drain varies from one part of the country to
another. Consult your dealer for advice.
7. Turn off all equipment at the circuit breaker.
8. Drain the water out of all equipment (pump, filter, etc.).
9. Winterize the pipes with pool antifreeze following manufacturer’s instructions.
10. Disconnect output cable, coil it and cover the terminals or plug cap with a small plastic bag to
eliminate the terminals or plug cap from collecting or sitting in water.
11. Unscrew the electrode retaining ring. Look down into the electrode bundle to see if there is
scale on the plates. See Maintenance section for directions for cleaning the electrode if
necessary.
12. Discard Nature2 cartridge. A new cartridge will be needed next spring.
13. Unscrew unions and disconnect the vessel; store indoors for the winter. Seal exposed pipes
with expandable plugs.
14. Store all baskets, hoses and cleaning equipment, indoors if possible.
15. Cover the pool with a winter cover.