Salt....

[Raf]

I have used Coralife, Instant Ocean and Kent, out of those, I use Kent as I find the IO is slow to disolve and I dislike the format the Coralife salt is packaged in the buckets. I am sure there may be better salt than Kent, but for the $$, it is damn good.

[Pescador]

I'm using Tropic Marin Pro, I've used IO and Reef Crystals in the past but I like how Tropic Marin mixes up without any residue left behind. I had a hair algae problem that cleared up when I switched but I can't say 100% that it was just the salt.