This strip can be used on any drinking water but should be of particular interest to anyone using a well or groundwater who has concerns about bacterial contamination.
These test paper do not come with a color chart but the presence and relative concentration of hydrogen sulfide is readily apparent.
While normally specified with a 5ppm detection sensitivity, 1-3ppm appears sufficient to slowly cause the white test paper to turn gray.
As the concentration approaches the dangerous level of 400ppm, the change proceeds very rapidly..
Note: The number of strips per pack or vial is approximate.
100 strips per vial
Mailing & Delivery
Additional Php 165.00/kilo for Metro Manila
Aditional Php 175.00/kilo for Provincial
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