THE EFFECT OF STORMY WEATHER ON MY SWIMMING POOL, WHY DOES IT TURN MY POOL GREEN
It’s all about the nitrogen.
The flashes of lightning, apart from lighting up a night sky, create nitrogen in the atmosphere and the rain washes that nitrogen down and into your pool.
Nitrogen is a plant food, and a very good one at that. There are always traces of algae in even the best maintained pools, so the algae will thrive on the extra nitrogen that is washed down when the heavens open.
Algae are microscopic and so, when there are just a few of them, they are invisible to the human eye but feeding on the nitrogen, they bloom and multiply very quickly until there are enough to turn the pool water green and murky.
So that’s why it happens, but of course you don’t want it to happen. So, what can you do about algae?
One way of avoiding a thunderstorm turning your pool green is to test the chlorine levels in your pool and shock the pool with chlorine as soon as possible after the storm.
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However, recovering an algae infested pool can be a difficult and time-consuming task so prevention is better than cure. The more algae-free your pool is at all times, the less likely you are to have problems.
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Keeping your pool water in balance is the key.
Oxidising the water regularly will get rid of organic wastes and other material that the algae can use as food.
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Keeping sanitisers at a consistent level will greatly reduce the algae population as will using a specific algaecide. Algae grow very rapidly in warm water and bright sunlight so the best time to apply an algaecide is mid-morning or early afternoon.
The algae will start to grow on the sides of your pool so regular brushing is a good idea to get them off the walls and into the water where the pools filtration is more likely to remove them.
If you would like some specific advice on algae control – or indeed any aspect of pool maintenance please visit our website by clicking here to locate your local dealer.
You may wish to keep an eye on the BBC Weather page during the day……http://www.bbc.co.uk/weather