Originally Posted by EELectric
Most people on this site recommend a refractometer because they are more accurate, but I don't see what is wrong with manually reading the salinity on a hydrometer. It works perfectly fine for me and since you got it for free save yourself 40 bucks and do it the cheap way. HTH
Too bad the stupid thing gives me a reading of 1.030! 8O ...Even when I know the new water from the LFS
I plan on calibrating it using ocean water, I hope it works.
I had a different type about 3 years ago, which worked much better, but I have not been able to find it. Everyone one sells the instant ocean ones.
It is for a nano reef, so this is particularly important. I top off everyday, but if the skimmer is over adjusted, or some other way I loose volume of SW
, I want to be able to see where I am before I throw my tank into osmotic shock 8O .......