Hanna Checkers That We Love and Ways We Messed up These Reef Tank Test Kits!

Whether it's the Hanna Alkalinity Checker, Hanna Calcium Checker, Hanna Nitrate Checker, Phosphate Checkers, or even the Hanna Thermometer...we have used them all and learned some valuable lessons we don't want you to repeat! Find out what those are and how to avoid them!