Quote:
Originally Posted by Seamazter
One sure way is a refractometer not a salinity meter.
If you use a refractormeter you must be an advanced aquariust.
Ps.
I have nothing really funny to say but thought id tag along.
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... our LFS uses a refractometer. Its a Total Pet so I dont think I have to say anything more. A conductivity meter on the other hand. That would impress me.