B Ben1 Advanced Reefer Rating - 0% 0 0 0 Feb 10, 2005 #21 It's calibrated to o using RO water making it very accurate.
A Anonymous Guest Rating - 0% 0 0 0 Feb 10, 2005 #22 How often do you guys calibrate your refractometers? Is it every time you use it, or something less than that?
How often do you guys calibrate your refractometers? Is it every time you use it, or something less than that?
A Anonymous Guest Rating - 0% 0 0 0 Feb 11, 2005 #23 ChrisPrusha":h1xeqgw4 said: How often do you guys calibrate your refractometers? Is it every time you use it, or something less than that? Click to expand... Once a week I check it when I do water changes. My R/O container is next to the one I mix salt water. That makes it easy after I check the SG of the makeup water I check the refractometer against the R/O D/I.
ChrisPrusha":h1xeqgw4 said: How often do you guys calibrate your refractometers? Is it every time you use it, or something less than that? Click to expand... Once a week I check it when I do water changes. My R/O container is next to the one I mix salt water. That makes it easy after I check the SG of the makeup water I check the refractometer against the R/O D/I.
