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#1
02-15-2006, 08:16 PM
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I keep lots of SPS in my 20g. I think the biggest problem is keeping everything stable, as this is harder to accomplish in a smaller system.
Basically.. I keep millepora, digitata, various acros, and they are all lit under my 150w HQI . I have had great success so far.. everything colours up great and grows wonderfully. I do weekly water changes of about 2.5g . I top-up every second day, sometimes that changes though.. just depends. I dose calcium and alk. and that's about it. I am fugeless and sumpless. Heh, you'll all think less of me, but I have had such great success so far with SPS.. and I keep 4 fish in my 20g. Some acros do not thrive though. But most do... it depends on the species I suppose. Anything I forgot , just let me know... HTH
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50 
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#2
02-15-2006, 08:19 PM
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Is the 150 HQI the only light over the tank? What color temp is it? Where idd you get it?
I am going to drill the 28g and add a 10g or 20g sump to hide equipment and add volume for stability. What fisihes do you keep in there?
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#3
02-15-2006, 08:53 PM
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Yep the 150 HQI is the only light over the tank. It is a 20k Ushio bulb which will soon be replaced with a 14k of some sort.
Drilling it is probably a good idea.. my reef is in my bedroom and noise is a big factor for me.. so no sump for me. And I keep two True Percula clowns, a Yellow Watchman Goby, and a Lawnmower Blenny. 
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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#4
02-15-2006, 08:57 PM
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Thanks for the info!
I hope to drill it AND keep the noise down because this is going into a shared office....
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#5
02-15-2006, 08:59 PM
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Yeah, I am sure that won't be too much of a problem. I am an extremely light sleeper.. so that's why. Otherwise.. the sound of trickling water can be quite relaxing at times IMO.
Good luck! Let me know if I can help with anything else.
__________________
20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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#6
02-15-2006, 11:30 PM
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I think I have slightly more than 20gallons in my Hex..but it isn't more than 30 gal. I have a single 175W MH and 2 9W actinics.
I use a dosing pump to add Kalk. (On a small system it is really easy to overdose Kalk!) I started with two part Ca/Alk supplements, but couldn't keep up. SPS are thriving. I'll attempt a photo, but I've had trouble posting photos in the past. Oh...my avatar is a reasonable shot of that tank...you just can't see the light above it. Last edited by untamed; 04-15-2006 at 05:16 AM.
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#7
02-15-2006, 11:54 PM
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What kind of gph are you running in these smaller SPS tanks?
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