Rmckoy
Aquarium Advice FINatic
- Joined
- Mar 23, 2013
- Messages
- 919
I've been looking on eBay and many other sites for a refractometer .
What is a good one vs no good ,
What should it include ?
It does need calibration fluid included ?
What is a good one vs no good ,
What should it include ?
It does need calibration fluid included ?