Winterising your swimming pool. Getting your swimming pool ready for winter

Now that autumn has arrived, and winter is fast approaching, your pool usage has probably declined.

However, just because your pool has shut up shop for the season doesn’t mean you can forget about it… doing so might leave you with a green pool, a hole in your wallet and a stomach full of regret.

So, how do you get your pool ready for winter?

Step 1. Clean it – a full Valet


Remove all debris and foliage from the pool shell & surface, clear the poolside skimmer basket/s, pump basket and backwash & rinse the pool filter/s. If anything is left to sink to the bottom it can stain the surface and be a real pain to cleanup / remove.

Step 2. Check all equipment

Ensure the pump is working and there is no Calcium build-up on the salt chlorinator cell /s. Try using Hydrochloric Acid in diluted form as recommended to remove any calcification. Or use your other preferred salt cell cleaning solution. 

Throughout the cooler months you’ll still need the pump, filter and chlorinator to run for at least 4 hours a day ( pool size dependant ) may be more.

If needed, Pool Masta NZ can always service your pool equipment. Visit us in store or call us on 09 272 4100.

Step 3. Backwash & Rinse your pool filter

To clean contaminants from the filter, you’ll need to backwash and rinse the pool filter at least 1 x per month or as required. Monitor the filter pressure gauge and flow through the pump basket.

For a basic ‘how to’ guide on backwashing, have a read over one of our previous posts here.

Step 4. Test, adjust and Balance the pool water

Everything in your pool becomes more efficient with properly balanced water. You’re primarily defending against algae outbreaks, but the surface and equipment will also last longer.

If you need to shock your pool, try using Bioguard Burnout Extreme. It’s easy to use, is great for “shock dosing” pools and treating them with chlorine demands and/or algae problems. Remember to add this product as prescribed and recommended. For Vinyl plastic “liner”  pool addition this product or any other granular form of chlorine should be pre-mixed and dissolved prior to adding to your pool water. Staining/bleaching of the Vinyl liner ( which is irreversible ) can occur.

Click here for the optimum chemical levels.

Step 5. Add a Phosphate remover

Although your pool might not contain algae, the addition of a phosphate remover like Pool Tonic, eliminates its food source. Read more here ……  …… No phosphate, equals no algae nutrients.

pool_winter_ready_1  Step 6. We recommend that you do not use your pool cover in Winter. Use a debris net instead if you have to cover your pool.

If you don’t have a debris net then it’s time to invest. A debris net cover protects your pool from the elements. The net can be partially removed 1 x per month for vacuuming purposes. During the month following high winds or bad weather an air blower can we used to shift foliage / debris off the net for uplifting. Let’s be honest, no one wants to be skimming and vacuuming when it’s cold outside.

Step 7. Continue basic maintenance

Check the water chemistry and filter gauge every two weeks, adjusting where necessary. Your Summer pool “start up” should be Drama free if you follow these guidelines. If you have pool heating available then start up and run your heater 1 x per month for a few hours. A motor car does not like to stand turned off for around 6 months …. neither does a Heat pump, Gas heater or a Solar system. 

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