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lpsouth1978 · 07/10/2019, 10:44 AM

I just use the standard one from BRS. I tried ordering one from Amazon, but it would not hold calibration for even a single test. My BRS Refractometer has been GREAT!

07/10/2019, 10:44 AM	#8
lpsouth1978 Registered Member Join Date: Jan 2007 Location: Arizona Posts: 915	I just use the standard one from BRS. I tried ordering one from Amazon, but it would not hold calibration for even a single test. My BRS Refractometer has been GREAT! __________________ Current tank: 40B work in progress w/20L sump