Random Thoughts

One of these days I'm going to go all out and post pictures and videos of my tank, but today is not that day I have a few random questions to ask and would appreciate any accurate input. Unfortunately, some of these questions are rather long-winded, but as we all know, it's fun to talk about saltwater tanks and going off on random tangents is really just part of the hobby when you truly love it. As for the questions pertaining to the title of this post, here they are:

1) How much ...