Closed System Test Kit


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This comprehensive kit is a must-have for any professional responsible for monitoring a closed system. It provides the equipment and reagents required to monitor correct amount and dosing levels of the following parameters:

  • Nitrite Drop test method. Range 25-1500ppm.
  • Iron Comparator method. Range 0-10ppm.
  • Molybdate Comparator method. Range 0-100ppm.

This helps prevent scale build-up and corrosion which causes costly damage.

Click onto selected tests to find the different options of purchasing replacement reagents – whether it is individual reagents you need or a set sold at a discount as a Reagent Pack.

In addition to the reagents, the Closed System Test Kit also contains a sample pot, syringe, comparator, Iron and Molybdate discs.

Product Data

Reagent Product Code Product Description
N1 WTPTKN1 Nitrite Indicator
N2 WTPTKN2 Nitrite Titrant
FE6 WTPTKFE6 Iron Reagent
MOLR WTPTKMOLR Molybdate Reagent




Our Test Kits can be ordered individually or in bulk. They can be delivered alongside your WTP Chemicals’ order saving you additional delivery charges. Next working day delivery only £9.49 (up to 20kg); mainland UK only.


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