Hi,
I have recently purchased the D-D Refractometer for my new reef. It is definitely a quality piece of equipment.
I have a question though, does it come calibrated or should I calibrate before using?
Cheers
I have recently purchased the D-D Refractometer for my new reef. It is definitely a quality piece of equipment.
I have a question though, does it come calibrated or should I calibrate before using?
Cheers