Refractometer...

[rickjames]

Originally Posted by Ruth

Isn't it funny that sometimes the smallest purchase can just make a world of defference. I still shake my head at how long I went just using a swing arm one while I spent big $ on skimmers, calcium reactors etc. while overlooking probably one of the most important things of all - getting the water to the correct salinity.

Definitely agree with you on this one. One plus not mentioned yet about a refractometer is that the sample size is so small you can use it to test the salinity in a fish bag when you purchase livestock.