Originally Posted by fatrip
hi guys i am wondering if any one has or knows of a unit that will test it all with digital read outs. nitrates, nitrites,ammonia, salinity, temp, o'2 levels...thanks
I dont believe their is an electronic test kit for nitrates or ammonia, because u need to use chemicals to detect them. Their is a refractormeter on this site for measuring salinity. I believe it costs around $50. There is also a digital PH tester.