The Exact Micro 7 Aquarium photometer kit will help you with one of the biggest chores in the saltwater aquarium hobby. Testing your water. Besides the actual process of testing you have to compare the color of the water to the color that is printed on the test sheet. It is a real pain. However, if you were to have this new photometer your life would be that much easier. This photometer can measure: Calcium Hardness, Total Alkalinity, Copper, Nitrite, Nitrate, Ammonia and PH. The kit retails for $369 and can be purchased directly.
Update: Uh oh. It doesn’t test for saltwater aquariums.