Additional Notes
- To prevent user errors, all kits must be used carefully
following manufacturer instructions. One common user
error is testing with expired chemicals.
- Chemicals (powder bags or tablets) purchased from one
manufacturer may not be used in other manufacturers’
test kits).
- Chlorine test kits vary in price, ranging from about $40
to over $400 (Fig. 6). Once the kit is purchased, the only
expendables needed are the chemicals in the form of
powder or tablets, which usually cost less than $0.10/test,
and replacement batteries for portable colorimeters.