jtgrimes Posted April 27, 2016 Share Posted April 27, 2016 So I have been using Salifert, since I can remember. I am really interested in the Hanna Instruments, specially for calcium and alk. Seeing if anyone has experience with these, and their thoughts. Also, does hanna make a digital checker for magnesium or am i stuck with salifert? Thanks! Link to comment
AZDesertRat Posted April 27, 2016 Share Posted April 27, 2016 Here are all of them: http://hannainst.com/products/checker-colorimeters/show/36.html I suggest getting the calibration kits along with the meters. I don't use any for my reef yet but I have used a chlorine Checker in my water profession for about a year now and its not bad. Link to comment
seabass Posted April 29, 2016 Share Posted April 29, 2016 Their Alkalinity Checker is fine, but I've read some complaints about their Calcium Checker. I stick with their ULR Phosphorus Checker and Alkalinity Checkers. Link to comment
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