sen5241b
Reef enthusiast
I'm thinking not. The tap water at my Mom's house reads 80ppm TDS but you can smell the chlorine in the water.
Do TDS meters detect chlorine?
- Thread starter sen5241b
- Start date
daugherty
part time reefer
yes i think it does since the clorine will be something that is in the water
Bifferwine
I am a girl
No, TDS meters do not detect chlorine. A TDS meter can only read things that impact the conductivity of the water, which most salts do. Chlorine doesn't do this.
“Stop using TDS as the measurement of water quality. Disinfection Byproducts like Trihalomethanes, Volatile Organic Compounds, METHYL tertiary-butyl ether, chlorine, chloramines, cysts and lead are the primary contaminants to Public Water Systems. They have no impact on the conductivity of the water. Yet these do not register on a TDS meter. And public water systems primarily supply from surface water that tends to have low TDS levels.” ( Water Conditioning & Purification Magazine, March 2009, page 42 )
“Stop using TDS as the measurement of water quality. Disinfection Byproducts like Trihalomethanes, Volatile Organic Compounds, METHYL tertiary-butyl ether, chlorine, chloramines, cysts and lead are the primary contaminants to Public Water Systems. They have no impact on the conductivity of the water. Yet these do not register on a TDS meter. And public water systems primarily supply from surface water that tends to have low TDS levels.” ( Water Conditioning & Purification Magazine, March 2009, page 42 )
dcantucson
Reef pro
good to know, Biff.
daugherty
part time reefer
good to know thanks biff. i always thought that is would show in the tds
Bifferwine
I am a girl
Nah, TDS will measure most things, but not all. Basically, it has to have an electrical charge to be measured by the TDS meter, so weakly charged ions or neutrally charged particles won't show up.
sen5241b
Reef enthusiast
Yeah, but if your RO filter got the water down to say 5ppm TDS then can't you assume the other things, not measured by the TDS meter, have most likely been removed also?
Bifferwine
I am a girl
Yep, that's a safe assumption. The RODI unit takes out more than the few things that the TDS meter can measure. The TDS meter is a good indicator of how well the RODI unit is working, since the RODI unit removes the dissolved solids that the TDS meter measures plus other things.
