reefing things I thought I would have learned by now

[OCDP]

Originally Posted by Der_Iron_Chef

Here's something I thought I would have learned by now:

If I don't do regular water changes, my aquarium WILL look like crap.

Well, I no longer have a tank but the most important thing I thought I would have learned two times around was somewhat similar to yours.

If I do regular water changes with (conditioned) tap water my tank WILL look like crap.