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- Jan 19, 2017
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According to my hydrometer I was running my tank at 1.026 and after testing with a refractometer I was actually running at around 1.029
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Ouch! Good thing you checked.According to my hydrometer I was running my tank at 1.026 and after testing with a refractometer I was actually running at around 1.029
no doubtOuch! Good thing you checked.
A refractometer is not necessarily better than a hydrometer. In fact one can state that you are more likely to get an inaccurate reading from a refractometer because of the need for calibration. Also, a refractometer does not measure specific gravity unlike a hydrometer.According to my hydrometer I was running my tank at 1.026 and after testing with a refractometer I was actually running at around 1.029
I am also glad for that purchase. My hydrometer would read something different every time refilled. Just be sure to keep up with calibration every time, with either distilled or the solution. That's a key to accuracy.
A refractometer is not necessarily better than a hydrometer. In fact one can state that you are more likely to get an inaccurate reading from a refractometer because of the need for calibration. Also, a refractometer does not measure specific gravity unlike a hydrometer.
That is good to know, perhaps I should stick to the calibration fluid. I was unaware of that. Mine is definitely not a fancy one!Distilled water will only lead to an accurate measurement if it is a true seawater refractometer, which most used by hobbyists are not.
I think the statement that hobby grade refractometers are more accurate than hobby grade hydrometers is probably correct.You could state that, but if you are comparing to plastic swing arm hydrometers, it is probably not correct as hobbyists use the two devices. lol
For a high quality floating glass hydrometer, I agree, they are very often highly accurate.
What is your opinion on the Apex conductivity probe?That said, I prefer conductivity to either method.
I think the statement that hobby grade refractometers are more accurate than hobby grade hydrometers is probably correct.
What is your opinion on the Apex conductivity probe?
Where can i get calibration fluid?