Rated 3.9 out of 5 by 22
Rated 5 out of 5 by Peacepilot Can't get any simpler than this!
Calibrate with 3 drops of distilled water.
3 drops of tank water...view your reading.
Reasonably priced and seems like solid construction.
November 26, 2015
Rated 5 out of 5 by LJI51 Works great
I was not sure how it would work or how to use it. The directions were great and simple to follow. And reflectometer was simple to use. I would buy one again if I needed another. I also would recommend this to any one who would like to get more accurate readings on their tank.
August 2, 2015
Rated 5 out of 5 by luvmykity easy and accurate
Very easy to use , accurate & doesnt have to be submerged in the tank like a hydrometer
September 3, 2014
Rated 5 out of 5 by Isabel13 Great product
I was a little hesitant about this at first, but it arrived skillfully packed and has been a great asset to our aquarium and our hermit crabs (who require brackish water) ever since. As long as it is used properly, it is a product to rival those we have used in marine laboratories.
April 5, 2014