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Winter is here! How to winterise your pool


The days are growing shorter and the nights are cool, summer sunshine is ebbing away, and winter is upon us. For most of us, the swimming season is over and would prefer to leave the pool alone until its needed again however, doing this can prove to be costly and time-consuming in the long term. If a pool is not circulated enough, chlorinated enough and is constantly covered with a pool blanket, the chances of algae forming are high. This can present itself as green, mustard or if left for a long period, black. It also opens your pool surface to accept black spot algae which can be stubborn and difficult to remove.

You may be asking why winterising is important. Winterising your pool is an easy and cost-effective way to care for your pool during the colder months. The winterising process, providing all your equipment is working, ensures your pool does not go green and is ready to go as soon as it starts getting warm again. With various types of chlorinators, pump and filters available, winterising can be confusing with specific parameters that need to be met. We have outlined the requirements to winterise specific to some of these types.

Water Balance It is crucial to maintain water balance even though you are no longer swimming. The health of the water is important to the equipment as well as the surface of your pool. Check your water balance at your local pool shop at least once a month during winter to ensure your chemicals are balanced and you have enough chlorine. If you have a salt chlorinator, it’s important to maintain your salt level as heavy rain can dilute your waters content.

The overall balance of the water is to ensure the chlorine works at full capacity as an anti-bacterial in your pool which helps prevent the pool from going green.

Blankets

Winter can be a time for wild and heavy weather, if the blanket can be rolled up it should be tied up and a cover placed over it when not in use. Pool covers can help with keeping debris out, however, the pool water needs to aerate and breathe to release chemical gases. The increase of chloramines that forms between the blanket and the water can cause damage to the blanket, the surfaces,, and any equipment left in the pool. It is advised that the blanket is removed completely at least once a week.

Winteriser

Winteriser is often a copper-based algaecide. The copper allows the algaecide to last longer and prevent algae blooms in the winter months. The product lasts approximately three months in the water before it is used up and rained out. It is important to test your copper levels before application as too much can result in staining. If you have a copper ionising system or have high copper levels in your water you will not be able to use Winteriser, alternatively you can use non-copper algaecide but may need to dose the pool monthly.

Circulation

It is important that the water continues to circulate despite the pool no longer being used. Moving water reduces the risk of algae clinging to the surface. With demand for chlorine lessened during the colder months, pumps can be run between 4 to 6 hours a day depending on pool size and pump type. It is advised that you contact your location pool shop for their recommendations.

Other Maintenance

Keeping an eye on the pool during winter is a sure-fire way to maintain its health. A healthy pool will be ready to go as soon as the hot weather hits. While the pool is not being used it is prime time to check your equipment and replace parts as necessary. Pumps, chlorinators and filters can undergo more thorough cleans and checks which will save you a lot of hassle at the start of summer. The rain and storms through winter can dump foreign objects, sediment and debris into you pool that can clog or block baskets in both the skimmer and pump, keep an . It is advised to continue to check your pool water at your local pool shop at least once a month to maintain chemical balance and ensure the water remains safe.

Keeping these in mind when winterising your pool will help the pool stay as healthy as possible through winter and will give you the best chance of being able to jump right in again when the weather is warm!

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