Boomer
Reef Sanctuary's Mr. Wizard
http://reefkeeping.com/issues/2006-12/rhf/index.php
Note;
We have had countless reefers test their refracts using a std. Many but not all are right on using the std and need no re-calibration.
Someone make this a sticky
Note;
We have had countless reefers test their refracts using a std. Many but not all are right on using the std and need no re-calibration.
Someone make this a sticky