|Register / Join the ARC||Community||Chat||Gallery||MemberMap||Forums||Search||Today's Posts||Mark Forums Read|
|01-12-2017, 6:37 PM||#21|
Atlanta Reef Club Member
Join Date: Sep 2000
Occupation: Hillcrest Teardrop Campers, H2O Distributors & The Fish Store.
Other Interests: Geocaching, Gold Panning, Kayaking, Camping
Specific gravity in the ocean can vary.
Having said that, calibrating a refractometer with 35 PPT solution will keep you close enough to the acceptable range, versus using RO/DI water to 'tare' it.
Not all refractometers are created equal. I have one I've had for over 15 years, that I used to use multiple times a day (in my shop) and when I checked it with solution it never really varied. Then I've had others, new out of the box, that needed to be tweaked every time - they didn't hold a calibration well.
Specific gravity can and does vary in the ocean so as long as you're close and consistent, things will be OK - but as some have mentioned, if something goes wonky and your SG is way low or way high, that causes problems.
This is a situation where common sense should prevail.
I'm not sure if LFS will calibrate with solution for you - I did when I had my place. It's a good idea to check it regularly, and yes, calibrating with a solution with a known specific gravity is best.
|Currently Active Users Viewing This Thread: 1 (0 users and 1 guests)|
|Thread Tools||Search this Thread|
|Thread||Thread Starter||Forum||Replies||Last Post|
|WTB: Refractometer calibration fluid||porpoiseaquatics||Want to Buy||8||10-06-2013 6:20 PM|
|Ph calibration fluid||cj22009||Reef Discussion||6||09-17-2012 8:52 PM|
|refractometer calibration- distilled or calibration fluid?||velocityoflove||Reef Discussion||6||08-20-2012 1:14 PM|
|ph calibration fluid||Akopley||Want to Buy||10||10-03-2010 11:55 PM|
|PH calibration fluid (Where's closest?)||Oz||Reef Discussion||5||10-17-2008 9:46 AM|
Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright ©2000 - 2015, Atlanta Reef Club, Inc.