Hydrogen Peroxide concentration test strips. Range 0 ppm – 400 ppm. 35% Hydrogen Peroxide must be diluted to with in a range of 0-400 ppm prior to test.
Although these are general purpose H2O2 test strips they are primarily intented for hot tub, spa and swimming pool use before or after adding 35% Spa Science Hydrogen Peroxide or 35% Food Grade Hydrogen Peroxide.
Prompt Service!
It is great to know how our water is doing.