http://cgi.ebay.com/TDS-Meter---Hanna-TDS1_W0QQitemZ170263650321QQcmdZViewItem?rvr_id=&i temid=170263650321#ht_6086wt_948
I am thinking about buying this one. What does everyone think?
When looking at a TDS meter look for no less than 2% accuracy full scale, a minimum 1 ppm resolution and automatic temperature compensation.
I use the HM Digital COM-100 myself, its more expensive but much more accurate. It runs about $39 most places.
That’s the unit I use. Great price.
Amphibious
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Amblyeleotris randalli commonly, Randall's Goby.
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