As per the first write up
Quote:
Originally Posted by Aqua-Digital
Then along came the “light systems” or 2-3 part systems. These “light systems” add extra sodium chloride to the tank thus resulting in ionic imbalance. They also neglect adding other trace elements found in natural sea water other than calcium, alkalinity and, sometimes, Mg.
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So with the full Tropic Marin system you know what you are getting, and off the shelf.