Dec 8, 2018 #1 Neo Jeo Valuable Member View Badges Reef Tank 365 Big Blue Reef Member Hospitality Award Joined Dec 6, 2017 Messages 2,475 Reaction score 2,858 Location East Michigan Rating - 0% 0 0 0 how effective are these for testing tank PH?
Dec 8, 2018 #2 EmdeReef 2500 Club Member View Badges Excellence Award Reef Squad Emeritus Joined Dec 2, 2017 Messages 3,138 Reaction score 3,902 Location New York, NY Rating - 0% 0 0 0 They’re pretty good IME, I got one of those on amazon a while ago and it holds calibration pretty well.
They’re pretty good IME, I got one of those on amazon a while ago and it holds calibration pretty well.
