My bottled water is RO
+ Distilled. So I assume it is ok.
I would get small pieces of corals. Stay away from medium and larges LOL. \
I would not recommend getting multiple pieces of the same species of corals that are the same color and everything.
90 Gallon Reef - 3 Blue-Green Chromis, 2 Ocellaris Clowns, 1 Kole Tang, 1 Midas Blenny, 1 Longnose Hawkfish, 1 Zebra Dartfish, 1 Algae Blenny, 1 Six-Line Wrasse
29 Biocube Reef - 1 Chalk Bass, 2 Black and White Clownfish, 1 Yellow Watchman Goby, 1 Fire Goby