Biocide/Dispersant for Cooling Towers and Process Applications


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WTP CS 4400 is a solid dispersant for general use in cooling towers and process applications. The product will penetrate biofilms, thus aiding the action and effectiveness of biocides.

WTP CS 4400 is based upon a blend of surfactants and may produce foam in mechanically agitated systems if over dosed. A biocide is incorporated into the formulation to enhance the effectiveness.


Physical State Off white powder
pH 6 to 8


Cooling Towers

  • WTP CS 4400 is dosed at 10ml – 40ml to 1000 litres of system water.
  • It is recommended to dose the product at low level and then increase in small amounts to avoid any unnecessary foaming.
  • For a retention time of four hours good kill rates of legionella species have been demonstrated.
  • Systems known to be contaminated with legionella will require twice weekly dosing at the higher level of 350 ppm for several weeks to provide effective control.




Please refer to material safety data sheet for detailed handling/storage instructions.

  • Avoid direct contact with skin and eyes to prevent mild irritation.
  • In case of accidental contact, flush area with clean water.
  • Product should not be ingested.


CS 4400 is shipped in 4 kg HDPE jars.


Field Representatives can work closely with customer personnel to assure the effective application of the water treatment programme.

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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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