5
Onzen Technical Guide
TERM
DEFINITION
Parts Per Million (ppm)
ppm: parts per million, a standard measure of chemical or
mineral concentration.
Organic waste
Debris such as microorganisms, perspiration, urine, etc.
which needs to be burned up or “oxidized” regularly to
prevent haze, algae, chloramines, etc.
Shock
An oxidizer that “burns off” the organic wastes which cause
cloudiness and algae. It is a generic term for a chemical used
to oxidize organic wastes. Arctic Pure, REFRESH.
ORP
Oxidation–Reduction Potential.
This is simply a measurement of the water’s ability to cleanse
itself. ORP is measured in millivolts (mV).
