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The following Technical Information Bulletin was prepared to supplement the US Instruction Sheet supplied with the Chlorine Demand Test Station and to make it easier for pool shops to perform their own tests. In the procedure given below, all quantities have been converted to metric units.


Test Station Contents

1. Chlorine Demand Titrating Reagent (sodium thiosulfate)

2. Chlorine Demand Acid Reagent (a dry acid similar to BioGuard Lo’N’Slo)

3. Chlorine Demand Iodide Reagent (potassium iodide)

4. Chlorine Demand Chlorinating Reagent (sodium dichloroisocyanurate)

5. Several empty glass bottles with screw lids, one of which will be labelled "Chlorinated Water"

6. Three spatulas – a small scoop type, a medium cylindrical type and a large spoon type

7. A 10-mL pipette

8. A 10-mL burette unit that screws onto the top of the Titrating Reagent bottle

9. A 50-mL or 100-mL plastic measuring cylinder


Chlorine Demand Test Procedure


The above information is supplied by Bio-Lab and represents its best interpretation of available technical information at the time of preparation. The sole purpose is to supply factual information to Bio-Lab customers. It is not to be taken out of context nor used as support for any other claim not made herein.