I am now using this as a log for tracking progress. When I started this thread I had just settled into an extended deep cleaning.
Having done the major scraping I'm trying to clean up the heavy pieces. I moved a rock that touches nothing and turned the sand by hand. Wow, dirty. The sand is mostly cleaned from the vacuum so I turned up the current and gave it all an aggressive turn over.
oops, I keep doing a double upload.
Anyway, here is the whole, fairly clean tank, after a major hurricane. Cloudy but not opaque. Now, the corals are going to town. I spite of me swimming around for the last few hours, they're happy little beasts. The fish are a bit upset. I have been bitten by the Humuhumunukunukuapau'a just about enough now. Rude little dude.
I'll take a photo in a few minutes. I've written enough good stuff about my auto filter so I'll take a photo 30 minutes after the last.
This deep aggressive cleaning will be followed by another 110 gallon water change as despite the removal of all of the particulate matter, the water column should be quite polluted. I should clarify that this is not a deep sand bed and is only a covering enough for the anemones and Hortulanus to bed down. The fish also dig into it and move it as they like.