Tag: Disinfection

Manual Dosing – Increasing and Decreasing Free Chlorine Residual

The following method will outline how to add a hypochlorite disinfectant to the swimming pool. If you’re using a chlorinated isocyanurate disinfectant, follow the manufacturers’ instructions as the method will be different. Increasing Chlorine Step 1: Calculate Pool Volume The first thing you need to do is calculate how many cubic metres of water you

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Pool Tests for Chlorine & pH

  General Points on Pool Water Testing the equipment used should be clean and dry reagent tablets should not be touched as this would affect the reading COSHH assessments should be carried out on all reagent chemicals all samples should be taken from the same, pre-determined point every time staff should be trained in pool

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How often should you be testing the water?

The pool water should be tested throughout the day to ensure that the water is safe to enter. The first test should be carried out before the first swimmers are allowed in, giving the operator plenty of time to rectify any issues that may become apparent following the first round of tests. Thereafter, while the

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What is Free, Combined and Total Chlorine?

    Free Chlorine If chlorine is the biocide in use at your pool (rather than bromine), there should always be enough free chlorine in the pool to minimise the risk of infection. The recommended range is 1.00 – 2.00mg/l for most types of pool. Pools using stabilised chlorine need a bit more 2.50 –

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