Tank - Full Summary

Couple of weeks ago it was time to break down the 150G in my parents place and move the fish and some of the rocks to my sump...
Was shocked to see the amount of detritus my sand and rocks trapped despite 50x tank volume flow.
Another shock was to not find a single bristleworm or critter in my DSB. Could this be the cause of my nitrates struggle lately? tank was only moved (sand cleaned 1.5 years ago)
Found 1 10 inches long Eunicid (sp?) worm in a big rock which could explain ...

Plumbing finsihed for the drains:
Returns will be over the top from the right side of the tank and will be made later on.
2 x 1.5" drains (one for backup)
1x 1 inch drain supplying fuge and water change tank.


Side view of the external overflow and plumbing to sump
...

Water day.
Finally a long awaited and as usual for me a very stressful day came last Monday. Luckily the tank builder offered to be here on filling day to check for things especially with me being worried about lack of bottom bracing and having requested a middle brace and him insisting on Eurobracing only which I must confess looks much neater and allows me way more access... So we agreed on me filling half the tank before he arrived and we filled the rest together.
Just before I ...

Received backgrounds for back and side pannels. Went with blue acrylic and leaving the paper on the backside of the acrylic I get this blue variation instead of uniform blue:

The workshop had a laser cut machine so I went with custom overflow comb on the side covers instead if attaching a ready made one on top.
...

Finally my Wall unit was completed.
this is the view I'll get


And from 2nd seating area, I do get much more view onteh tank than I expected from drawings.

And the open canopy showing all the access ...