Miracles 144/125 Rimless

Yeah, everyone thought it looked great. I can't wait to hear their reactions when the Colt opens up. It's in the lower right corner of the last pic on post #38. It's about 6" high and 4" around in that picture. That's about how big it was in the previous tank, when fully open. When it's fully open now, it's usually around 12" tall and 8" around. The other leathers will relax and spread out quite a bit as well. I'm interested to see how all the zoas, fragspawns, and hammers look. I have those at home, as well as dendros, sun coral, big trumpet, and a few others.
 
Added almost all the rest of the corals yesterday. Pics turned out much better just after lights-out

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PS I am still having the first-photo posting issue.
 
I made some light-blocking mods to the scrubber. These pics are a little hard to see. Black acrylic tends to suck up the flash.

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removable covers for the lights

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Previously I used a male/female threaded fitting with o-rings and connected a pipe to it to form the 'drain' but it was rather loud. so I siliconed in some 1" PVC instead

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Then I will secure this to the bottom of the box

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Which allows for an air break between the box drains and this drain, meaning no noise. the reason for the PVC parts siliconed in is to prevent water from creeping along the bottom of the box

Here is with the side covers on

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Then I field-fitted a leg and brought it back to shore it up so it wasn't wobbly (this thing weighs upwards of 15 pounds without water in it)

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I cut a new slot tube on the table saw and field-fitting everything for that also, so now it's ready to be fired up!
 
You have those scrubbers down. Good job. Can't wait to see it in place.
 
Scrubber installation

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Pump with DIY strainer (plastic canvas!!), plumbing...

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Drain

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Bubble trap for scrubber effluent (plastic canvas!!!)

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New slot tube, cut on a table saw, 14.5" long instead of 20" (half of screen shown here)

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Running, drains silent, just as planned

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The whole she-bang

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So I installed the scrubber on 12/17 (Saturday) and cleaned it for the first time yesterday (12/26 Monday). I only have pics from my cell phone and when I download them, you'll be amazed! I got a solid handful of thick, bright green growth! It was so thick that it was difficult to scrape off the screen, which hasn't been the case in a while (the top-of-tank temporary setup was not ideal)

The amount of algae harvested easily matched record growth for this system. What is interesting is that this was done on 30% less screen material (14.5" vs 20").

Also, the most interesting part - PO4 tested 0.01. It's never been below 0.09 (due to Nitrate limitation), so time will tell if this is a trend!
 
Screen growth, first harvest 12/26/2011, 10 days growth:

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Phosphate has crept back up to 0.10. Same issue as before, this tank has to be Nitrate limited. I am going to start working in some Calcium Nitrate and see what happens. First though, I have to get a handle on Alk and Cal uptake and switch to Kalwasser. Anyone have a handy calculator for that?

The system sucks down 2g of water per day out of the ATO. I add 6 fl oz of BRS Alk to every 5g bucket and this seems to be holding the Alk steady, dropping a little every week. Started out high (11.2) and is now around 10 or so, each time I test it drops a little bit. Calcium is dropping about 10 points per day or so, I don't have quite as good of a handle on that though, need to be testing a little more often and writing results down. It seems that I add about 10 fl oz of BRS Cal twice a week, just upped it to the max 19 fl oz dose today. Also had to boost Mag the full 100 points which I haven't had to do in a long time, all indication of some serious growth happening!
 
Too bad I don't see BRS supplement on there. However it does help because I can measure the uptake of Alk and Cal based on the BRS dosing needed to maintain levels. By this I can figure out the lower of the 2 dosages of saturated kalkwasser and if I need to cut the kalk amount down I can figure it on a linear scale. So if I need 1g of saturated kalkwasser that would equal 2 gallons of half-saturated kalwasser, or 1 gallon of saturated solution diluted by 1 gallon of RO/DI...
 
Looks great bro!
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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