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Water Quality Parameters
UV disinfecon is only eecve if the UV light can pass through the water it needs to treat. This
means that the quality of your water is very important in order to ensure complete disinfecon.
Treated water should be tested for at the least the parameters listed below. If the water exceeds
the listed parameters LUMINOR strongly recommends that appropriate pretreatment equip-
ment be installed (equipment required will depend on parameters being treated):
Hardness:
<7 gpg (120 mg/L) – if hardness level is 7 gpg or slightly below the
quartz sleeve must be cleaned periodically in order to ensure e-
cient UV penetraon; if above the water must be soened.
Iron (Fe):
<0.3 ppm (0.3 mg/L)
Manganese (Mn):
<0.05 ppm (0.05 mg/L)
Turbidity:
< 1 NTU
Tannins (organics):
<0.1 ppm (0.1 mg/L)
UVT (transmiance):
>85% (Please contact LUMINOR if water has a UVT that is less than
80% for pre-treatment recommendaons)
You can have your water tested at a private analycal laboratory or by your local dealer. It is
always recommended to install pre-ltraon of at least 5 microns prior to a LUMINOR UV disin-
fecon system.
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