first reef tank - RO, DI & salt mix questions

[Captainhemo]

Originally Posted by andresont

You get what you pay for.
I use RO/DI and tropic marine Pro salt.
After investing so much in the tank and live stock, i'd like to keep criters happy.
few $$ saved is less then a drop in the ocean compare to what we spend anyway.
I have NEVER seen dirtyer salt then IO.

Hey, what do your Ca and Mg levels actually test at with RO/DI + Tropic Marine Pro?