Michaelbknudsen
Aquarium Advice Activist
- Joined
- Feb 5, 2013
- Messages
- 129
+1 on the refractometer, hydrometers can be thrown off by bubbles, and small debris as well as loose accuracy over time. I have spoken with many people who started using a refractometer and realize how inaccurate the hydrometer is and may lead to problems in the long run.