I use instant ocean regular salt for my fish only tanks and the Instant Ocean Reef crystals for my reefs. They work very well and dissolve pretty quickly. Most salt mixes are very similar though and people have their favorites. lol
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.