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Re: TDS meter: which one ?



Hi Wolfgang.  I love a little unit that costs $59 and is sold by Cole
Palmer.  It has a range of  0 to 1999 ppm TDS.  Nice if you raise any Nothos
since they do well with salt that raises the conductivity(and thus meter
reading) to about 2000 ppm TDS with about 1 tsp per gal of water or even a
little less..  It only reads to the nearest 10 ppm, but that is plenty close
enough.  It is waterproof and floats so you don't have to worry about
immersing it by mistake.  There was a $15 meter put out by Hannah, but it
was limited to 1000 ppm and I do not think its is available now anyway.
Check http://www.coleparmer.com/catalog/9900_pdf/P-0125.pdf

A TDS tester can give you an idea as to the relative amount of dissolved
minerals and waste in your water.  First you need to use a titration test
kit to see what your water is in KH and DH then the meter will give you an
idea as to how this has changed due to evaporation age etc.  Once you
establish a base line, you can pretty much guess if your water is the ay you
want it.  My tap is about 210 ppm TDS, much of it is calcium based.  I use
RO with RO Right as an additive to bring up the TDS to about 100 to 150 ppm
for fish that do not isnist on real soft water and only to about 50 ppm TDS
for those who are known to be real picky about hard water.
I love the meter for gaging the water I get new fish in so I can mix up a
batch of similar TDS water to slowly condition them
Bill Shenefelt
----- Original Message -----
From: "Wolfgang Schickler" <killiwolf80908 at yahoo_com>
To: <killietalk at AKA_Org>
Sent: Friday, March 01, 2002 1:23 PM
Subject: TDS meter: which one ?




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