Correct and incorrect ways of using Chlorine tablets

31/03/2015

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Correct use

  1. Read and CAREFULLY follow the instructions for use specified on the labels of chlorine products (risks and safety guidelines). Chlorine is harmful and dangerous for the environment; it must be used with caution (gloves, glasses and, if applicable, a mask).
  2. NEVER MIX VARIOUS KINDS OF CHLORINE in a concentrated state: slow chlorine (trichloroisocyanuric acid) and calcium hypochlorite violently react when they come into contact with each other and are in the presence of moisture. Do you remember the tragic event in Ramtuelle in 2003 when a young 11-year old girl died after incorrectly storing chlorine (source: Var Martin 31/08/2005).
  3. Use chlorine that is suited to the desired treatment (shock chlorine for shock treatment of the pool and stabilised chlorine to stabilise the chlorine rate).
  4. REGULARLY check the chlorine rate of the pool; it should be between 1.5 and 2 mg/l with an approximate pH of 7.2 (between 7 and 7.4).

Incorrect use

  1. Failing to follow the advice of specialists or user recommendations.
  2. Depositing the chlorine tablets directly in the pool damages the bottom of the pool (stained liner, speeds up the ageing process).
  3. Using a greater amount of tablets thinking that the treatment period will be longer. The chlorine rate will be excessive and the treatment period will be exactly the same.

Stabilised chlorine

R-phrases

  • R 22: Harmful if swallowed.
  • R 31: Contact with acids liberates toxic gas.
  • R36/37: Irritating to eyes and respiratory system.
  • R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

S-phrases

  • S 2: Keep out of the reach of children.
  • S 8: Keep container dry.
  • S 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
  • S 41: In case of fire and/or explosion do not breathe fumes
  • S 46: If swallowed, seek medical advice immediately and show this container or label.
  • S 60: This material and its container must be disposed of as hazardous waste.
  • S 61: Avoid release to the environment. Refer to special instructions/safety data sheet.

Calcium hypochlorite

R-phrases

  • R 8: Contact with combustible material may cause fire
  • R 22: Harmful if swallowed.
  • R 31: Contact with acids liberates toxic gas.
  • R 34: Causes burns.
  • R 50: Very toxic to aquatic organisms.

S-phrases

  • S 1/2: Keep locked up and out of the reach of children.
  • S 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S 36/37/39: Wear suitable protective clothing, gloves and equipment to protect your eyes/face.
  • S 45: In the event of an accident or if you feel unwell, consult a doctor immediately (show them the label if possible).
  • S 61: Avoid release to the environment.

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