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  #1  
Old 06-21-2005, 11:35 PM
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Default TDS Readings...
I finally got a TDS meter to check the water coming out of my RO/DI.

The meter came pre-calibrated, so I haven't recalibrated it yet....and I got readings of 17 on my tap water, and zero on my RO/DI water.

Is this absurd? Or do we have really clean water here is Coquitlam? Or is the TDS meter clearly not calibrated?
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Old 06-21-2005, 11:48 PM
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i got 12 outta the tap and 1 outta ro/di ( best reading i've gotten) new filters and tds meter caliberated.
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Old 06-21-2005, 11:55 PM
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yeah I get about 17 - 24 in surrey..

And yes, we have some of the cleanest water in Canada, so its not so absurb..

I have calibration fluid if anyone needs it..
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Old 06-22-2005, 12:59 AM
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Guys on ReefCentral can't believe how good our water quality is here, some folks in the states measure 200-400ppm.
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  #5  
Old 06-22-2005, 01:15 AM
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Thanks all! I feel better.
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  #6  
Old 06-22-2005, 01:38 AM
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Quote:
Originally Posted by dirtyreefer
Guys on ReefCentral can't believe how good our water quality is here, some folks in the states measure 200-400ppm.
Just because TDS is low doesn't nessasarly mean the water is good, for instants, we have higher phosphate levels in our water and that isn't measured by TDS. also for the lower mainland and Island we have a over abundance of algae to clog our filters up faster.

Steve
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Old 06-22-2005, 03:04 AM
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Isn't PO4 included in TDS readings?
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Old 06-22-2005, 03:17 AM
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Quote:
Originally Posted by dirtyreefer
Isn't PO4 included in TDS readings?
No, I don't believe so.
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Old 08-19-2010, 01:29 AM
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does that mean you don't have to buy a RO/DI filter if the water is so clean?
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  #10  
Old 08-19-2010, 01:32 AM
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Originally Posted by Ourfishies View Post
does that mean you don't have to buy a RO/DI filter if the water is so clean?
I wouldn't go that far, yes your TDS is low, but as stated above your PO4 is high and you don't want to be putting that in if you can avoid it.
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