About coralline: the purple stuff...an FYI.
Coralline is a red algae that shows as purple: it binds calcium, and covers rock in a purple coat that many hobbyists find quite pretty. And it does limit where pest algae can grow. It seems to start out as a dark red velvety coat and then starts laying down the calcium-shelled purple/pink stuff right amid it.

Do you want coralline? here's how. First, obtain some live coralline. A single tiny spot on one rock will do. You can also...

Let's discuss...salt.
You'd think that salt mixes emulating the ocean would all be real similar...and you'd wonder why some cost more than others. Prettier package? Crazy pricing?

Well, not so much that...as salt for various purposes. PURE salt is sodium chloride, NaCl...but that won't do. [Yes, somebody always asks, can I use Morton's table salt?---no. That would be a disaster.]

If you look at the label of your salt mix, you'll see a very, very long list of...

The Aquarium is coming along nicely. The Seamless Sump has been completed. Plumbing to be done this weekend. Cycling to start shortly

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[QUOTE=LVMAS;24248276]I know this is an old thread but I have been using Marine Environment Salts (Aqua Craft) for about 20 years. Its worth the extra money to me. I have tried other salts. I always go back to Marine Environment. You must to give it 24 hours to dissolve before using it. That's the closest thing to a negative comment I have for the Salt. I have not used the other Aqua Craft salt mixes.

I have no opinion of the "S-15 Report". It was not a consideration....