http://www.reefbuilders.com/2009/01/15/hm-digital-tds-controller-complete-overkill/ Sun, 22 Nov 2009 04:28:32 -0600 http://wordpress.org/?v=2.8.5 hourly 1 http://www.reefbuilders.com/2009/01/15/hm-digital-tds-controller-complete-overkill/comment-page-1/#comment-2016 Ryan Fri, 16 Jan 2009 00:50:06 +0000 http://www.reefbuilders.com/?p=3773#comment-2016 TDS meters measure Total Dissolved Solids, from freshwater last I checked. This can aid you in measuring how pure your RO/DI water is. TDS meters measure Total Dissolved Solids, from freshwater last I checked. This can aid you in measuring how pure your RO/DI water is.

]]> http://www.reefbuilders.com/2009/01/15/hm-digital-tds-controller-complete-overkill/comment-page-1/#comment-2014 Swance Fri, 16 Jan 2009 00:41:24 +0000 http://www.reefbuilders.com/?p=3773#comment-2014 You connect this to the output of your RO filter correct? I wish there was a probe that I could stick in my actual tank and get the TDS reading. I would then know when to do a water change. You connect this to the output of your RO filter correct? I wish there was a probe that I could stick in my actual tank and get the TDS reading. I would then know when to do a water change.

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