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Yeah not sure, I guess for the same reason the Hanna Satchets say to not use in the refractometer.
Not sure, as you are making a solution that reads 1.026 and that is what you are testing.
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Yeah not sure, I guess for the same reason the Hanna Satchets say to not use in the refractometer.
Yeah I argued that with Hannas tech line 1.026 is 1.026 right??? They said that conductivity measure differently so....... solutions different? I read an article by Randy Holmes-Farley that was very similar to what Hannah was saying so I found the other recipe he said to use for the conductive meter.
My ultimate question will be whether the Hannah and refractometer will read the same salinity level in my tank once calibrated with the proper solutions?
Tested at 24.9 - 25.0 C (according to Hanna temp reader)How big of a variance do you have between Your Hannah and hydrometer? Are you using the Hannah HI70024 35.00 ppt solution to calibrate the Hannah?
Not sure why they are different, if Randy’s diy recipe I’m sure there is a good reason but the 3.65g salt one should work for both as it will read 1.026.
Yeah I argued that with Hannas tech line 1.026 is 1.026 right??? They said that conductivity measure differently so....... solutions different? I read an article by Randy Holmes-Farley that was very similar to what Hannah was saying so I found the other recipe he said to use for the conductive meter.
My ultimate question will be whether the Hannah and refractometer will read the same salinity level in my tank once calibrated with the proper solutions?
I remembered this being closer last time I checked... probably should have recorded it last time. Or maybe I am just bad at reading my hydrometer (I wish it was bigger). Or maybe this batch of Hanna calibration solution is off...Tested at 24.9 - 25.0 C (according to Hanna temp reader)
Hydrometer: 1.025 sg (33.188ppt)
Hanna (pre calibration): 35.7 ppt (1.0269 sg)
Hanna (after calibration): 36.0 ppt (1.0271 sg)
I am using the Hannah Hl70024 calibration fluid. My previous calibration was early January (included just for curiosity).
Hydrometer is a sera Marin Hydrometer.
I remembered this being closer last time I checked... probably should have recorded it last time. Or maybe I am just bad at reading my hydrometer (I wish it was bigger). Or maybe this batch of Hanna calibration solution is off...
I am going to look into making some homemade calibration solution soon.
Does anyone have any advise for buying an accurate scale? I don't think the +/- 5g one in the kitchen is quite what I need.
Amazon has cheap scales that read to 0.01 g and cheap calibration weights to verify the accuracy.
These are just examples (I've not used either one), but $30 will get both:
Here’s my testing results, weird part is that both with distilled water calibration and With the 3.65g salt / 96.35g water mix calibration, both my refractometers were significantly lower than the 1.030 I measured last week. Nothing changed in my tank other than about 12 gallons of ATO of RODI Water. Overall everything is well within the +/-1 on my Hanna HI98319 and +/- 2 on my refractometer.