SKU : 33815-2000
The color chart has ranges for sanitization (50-200ppm) & disinfection (500-800ppm) with 800ppm considered the maximum level for child safety in the event of ingestion.
ChlorineTest Strips; 0-2000ppm, ~100 strips/pk
You can use our sanitizer dilution calculator to correctly calculate the amount of bleach & water needed to prepare the ppm levels indicated above.
Note that all the values are in metric units. If you are unfamiliar with litres (L) & millilitres (mL) you can still get the right concentrations if you use the following:
950ml= 1 American quart
3800ml= 1 American gallon
1 teaspoon =5 mL
You may also want to look at the following 2 pdf files from the State of California for "Sanitize Safely & Effectively" & "What is Safe & Effective Use of Bleach"
Note(1): If vial is properly stoppered, strips have a 2 year shelf life.
Note(2): These strips measure free (available) chlorine
Note(3): The number of strips per pack or vial is approximate.
Phone: (519) 746-4761
Fax: (519) 747-5636
Toll-free: 1 (877) 746-4764