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Unread 10/23/2008, 08:40 PM   #5
Todd March
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Join Date: Jul 2002
Location: Santa Monica, CA
Posts: 3,684
My ATI kit consistently reads 10-20ppm higher than my Salifert and sometimes as high as 30ppm higher than my Elos. I really in the end have come to trust the Elos. A month or so ago, I stopped dosing any Ca at all for 4 days, and Elos said 400ppm, and ATI said 430ppm, which was only a 10ppm drop from it's previous reading, 5 days ago. And I know in 5 days that my tank is using more than 10ppm of Ca...


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Current Tank Info: Rimless Starfire 85g SPS (36" x 26" x 21"): ATI Powermodule 10 x 39W, ATB Small Cone, RK2, Vortech MP40W, 6025 Stream modded, MAG 9.5 return, Balling
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