65 g Craig's List Build

Added another batch of Marco sand. I did not clean it as much as the last batch, and you can tell the difference. Looked like this for a day or two.

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Some life in the sump helped clear the sediment more quickly. Also added some of that instant cycle stuff.
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Clear water now.

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Love how the caves turned out.
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do you think two 150 w heaters is enough for this setup? water seems to be holding at 78 right now, but I can't get it any warmer. I wonder if my basement is too cold, it is record low temps right now.
 
I think that should be. Ok. 2 lower wattage is better then 2 high wattage. If one breaks and over heats it won't be too hot because if low wattage
 
This is great..I have nearly the same setup....65gal tall with 29 long sump, Marco Rocks...built into wall...coming along slowly, but progressing.
 
Just noticed that you have been following my (slow) build. Glad to see you went with Marco Rocks! They are super sweet looking. I like how you set yours up too.
 
Just noticed that you have been following my (slow) build. Glad to see you went with Marco Rocks! They are super sweet looking. I like how you set yours up too.

Yeah. I got the 65 and was researching a build and what luck! There you were with a similar build! I knew nothing about Marco rocks til I saw your thread. Thanks for the idea ;)
 
No problem. You are welcome. My brother in Boston had them in his tank and I thought they were awesome. They didn't look like blobs of cement like so many others.
 
Skimmer is pulling good. I just need to get the ato together so I can keep it tuned.
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Upgrading the ATO reservoir from a 2.5 gallon to a 5 gallon bucket. went through almost 2 gallons today. Seems like a lot of evaporation for one day. I'm wondering if I need to put a top on the DT.
 
The rocordia is doing well, as is the new addition, a rainfordi goby.

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Water chemistry

Salinity 1.025
Temp 79

Ammonia 0
phos 0
Nitrate 15 ppm
Calc 360 ppm
Alk 6 dkh
Mag 1600 ppm

Going to dose calcium carbonate to get the alk up. And dose calc as the alk goes up.

Am I on the right track here?
 
I like the rock structure. i would get your alk up to around 8 and your calcium to about 420-440and let your mag come down to around 1300.
 
Alk is up to 7 now. Should be in the 8 range by the weekend. I'm dosing through my 5 gallon ato res. Should get me a .5+ increase each day.
 
Nice progression, looks great. What kind of silicone did you use to reseal that tank?
 

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