<a href=showthread.php?s=&postid=7072465#post7072465 target=_blank>Originally posted</a> by WILDTHING
Marc, what happened to the pics from the first few pages after the split?
colleen
They are there now, as I just checked.
Regarding Purigen: I've never used it, nor felt the need to. I'm noticing a trend with some reef keepers in that they want the water to be crystal clear. My thinking is that it is great to have clean water to view your reeflings, but perhaps crystal clear is taking it a bit too far. Many corals eat particulates, and stuff floating about in plankton-size should be beneficial.
I used to never do water changes, years ago. The water quality looked good testkit-wise and the livestock looked happy. However, the water was a tad off-colored, usually leaning in the green / yellow coloration. If you have two white buckets, drain 5g into one and fill the other bucket with newly aged saltwater (mixed 24 hours minimum) to compare. If they look about the same, the water is good. If the used water looks darker or dirty, odds are you need to do a water change.
Water changes seem to take care of most situations. Running carbon can be beneficial to remove chemical warfare and general stuff exuding out of soft corals and especially mushrooms. I found this article to be very practical:
http://www.pets-warehouse.com/carbon.htm
None of my tanks use sponges, pads, filter socks, or products like Purigen or ChemiPure. Running carbon on my big reef has been a good option, but I don't run it on the other tanks.
Hint: If you want your tank to look really good, clean the inside regularly, and the outside with water and paper towels. You'd be amazed how good it looks just having a clean viewing panel.