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210 SPS Reef

coralite

coralite

Jake Adams
Location
Denver, CO
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This is a 7ft sps dominated reef which I set up about a year ago. It is at the LFS where I used to work. It has 3 x 400w radiums, 4 x 6ft vho (half aquasun half actinic), 2 eductors on the returns and 2 vortechs. There is only 9 pieces of live rock in this tank so the structure is quite dramatic. All of the corals were put in small to medium sized and they have grown prodigiously. Very soon there will be more coral than rock. My favorite piece is the pink and green A. abrotanoides which is usually very hard to grow at appreciable rates but this specimen is in front of an eductor and a vortech. And yes, I put the Mono in there, got a problem with that?
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coralite

coralite

Jake Adams
Location
Denver, CO
Rating - 0%
0   0   0
prattreef said:
Jake, could you give us some more info on this beautiful system? What are you using for filtration, Ca/Alk supplementation, carbon?, Phosban? refuge? Water changes etc.

Randy
Click to expand...

Surely.

The filtration is handled by an ADHI refugium sump. The first chamber houses an ASM G4+, then it goes to a Reverse Daylight refugium which houses chaeto and a 3" layer of oolitic sand. There is a phosban reactor in the final chamber which incidentally usually uses ROWAphos and that gets changed about once a month. The water is sent to a 1/2hp chiller and back to the sump by one GenX and the water is returned to the tank by a 1200gph pressure rated pump with two penductors on the return lines.

The calcium and alk is maintained by a medium sized no-name calcium reactor, all the top off goes through an aqua medic Kalk reactor and Bio Calcium is added as needed about twice a week to maintain Ca between 350-400 and Alk between 7-9dkh. You may think those values are kinda low but considering how much gets added and the coral growth, those values are fine as long as they don't dip too much further and the lower alk also discourages RTN episodes. The large chiller maintains the temp a little on the cool side at about 76F.

Water changes are performed on an 'as-needed' basis when the sand looks a little off-white and this usually ends up being about 15-20% every 6-8 weeks or so. I already mentioned the lights and flow in the initial post. Let me know if you want to know anything else.
 
prattreef

prattreef

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Manhattan Reefs
Real Reefer
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Location
Brooklyn, NY
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Thanks for the additional info. The most striking thing here to me is the 76F system temperature. I too run my systems in the 76F-78F range with no ill effects and in fact, the health of my systems appears better than at higher temps. This used to be the normal recommended temp range in the aquarium literature a decade or so ago, until a certain unnamed scientist :)wrote 1 article justifying the higher temps we commonly see nowadays and literally everyone except those with many years of experience (and their friends) changed what they were doing practically over night.
 
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