14-15% Sodium Hypochlorite Solution


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WTP Chlor 15


14-15% sodium hypochlorite solution – for disinfections and biological control of evaporative cooling systems and domestic hot water services.

WTP CHLOR 15 chlorination solution is used to disinfect water systems such as evaporative cooling towers and hot and cold domestic water services.

WTP CHLOR 15 is a highly effective oxidising biocide giving excellent biological control at low dose rates.


Physical State Pale yellow liquid
pH 12.0
Specific Gravity (SG) 1.24

Dosing and Testing

  • WTP CHLOR 15 chlorinating solutions are usually dosed to give a concentration of free chlorine between 1 – 50mg per litre dependent upon type of chlorination, system specification and application.
  • Services personnel would be pleased to advise on correct application.
  • Chlorine test kits are available to determine correct levels in the system (WTP TK115, 0-5ppm or WTP TK116, 0-100ppm).


Use biocides safely. Always read the label and product information before use.

Handling and Storage

Please refer to material safety data sheet for detailed handling/storage instructions.
  • WTP CHLOR 15 should be stored in black containers and exposure to sunlight should be kept to a minimum.
  • WTP CHLOR 15 should not be stored with organic materials and acids.

Potential Hazards

Contact with acids liberates toxic (R31) chlorine gas. See material safety sheet for full safety and spillage procedures.


WTP CHLOR 15 treatments are shipped in 5 litre, 25 litre and 200 litre drums.


Field Representatives will work closely with customer personnel to assure the effective application of the water treatment programme. Regular service calls can be provided by qualified personnel.  

More Information

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The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The company shall not be held liable for any damage resulting from handling, contact, mis-use or mis-application of the above product. In all instances the user should satisfy themselves that this product is suitable for the anticipated application and should carry out suitable and sufficient risk/COSHH assessments and a method of use statement.

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