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News — green pool

Why does my pool turn green after a thunderstorm?

green pool green water thunder

  Are you wondering why your swimming pool has turned green after thunder and lightning? Here's why...   Lightning doesn't just light up the sky, it releases large amounts of nitrogen into the earths atmosphere. Then, any rainfall that follows washes the nitrogen down into your pool water. Nitrogen is essentially plant food and algae thrive off it. Excess nitrogen can encourage any micro bacteria such as algae to multiply and bloom overnight, growing at more substantial rates than usual.   How can I fix it? You should use a chlorine shock treatment straight away. Shock is a strong, powerful dose of chlorine which will...

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