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#42
11-17-2008, 06:07 PM
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SPS dont need a reason to not make it, just being sps is a reason.
 Ok, I agree pics would help, esp. giving the acro experts here a look see. I dont agree salinity is a problem, although I would never keep my sps reef at anything under 1.024 -1.025 Magnesium is important with those corals. And its relationship to calcium. If your depending on water changes with IO to keep it up, and unless something has changed, it has low magnesium. I always use IO, but add calcium and magnesium, following Ben,s {chemmaster} formula. Mag. always stays at around 1350 this way. I would also run a lot more current in an sps based aquarium of that size. My 90 is just softies now and I still run two large Hydors, {1200gph}, two large powerfilters and a Tunze 6080, rated @ 2200gph.
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Doug Last edited by Doug; 11-17-2008 at 06:09 PM. 
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#43
11-17-2008, 06:43 PM
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Ok my mistake i run koralia 4's at 1200gph each and my return pump is a 1200gph magdrive combined with my nano im making around 3800gph this isnt enough? my nano is directlly infront of my last acro colony. I talked to the place where I last got my corals their salinity is 1.024 where mine was 1.023 so I doubt thats the issue. The bulbs in my system are around 7 months old and getting dim, I run them about 8'' above my 18'' deep tank. About the salinity....I use two hydrometers which give the exact same reading every time,you wouldnt trust that?
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#44
11-17-2008, 06:48 PM
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I would agree with Snappy. I would go one step further and say good flow is an absolute must but, a random flow is realy what you should be looking for. Do the polyps on your sps sway back and forth, or are they always being pushed in one direction? I get mezmorized watching the polys in my sps tank swaying back and forth.
Keith.
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#45
11-17-2008, 07:03 PM
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Ok bought a new cam battery here is a picture of my last acro colony. 12hrs ago this beauty was perfect I awoke today to find this,notice how the polyps are still fully extended
Last edited by dabandit; 12-05-2008 at 06:46 PM.
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#46
11-17-2008, 07:15 PM
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Quote:
Quote:
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 Greg Last edited by Snappy; 11-17-2008 at 07:18 PM.
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#47
11-17-2008, 07:22 PM
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I'll test again ty,i've been testing at 0 i run 2 phosbans one with carbon one with phosphate media. Maybe my test is off can anyone recomend a more accurate version? P.S this is the first death where the skelly went green all others were white
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#49
11-17-2008, 11:27 PM
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ostreobium are green algae that live within the skeleton of living corals, Under nutrient poor conditions it causes no harm, but sufficient availability of nitrate or po4 it will grow faster than usual and will encroach on the coral and cause the live tissue to recede. The only way to control is to limit the nitrate on po4 levels
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#50
11-28-2008, 05:07 AM
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But what if NO3 and PO4 are already testing negligible to zero? I have the same problem. I tried running zeo to get rid of NO3 and PO4 .. didn't help. I run NO3 destroyer. NO3 is zero. It doesn't help. Acros drop dead after a few weeks. No obvious parasites. I wonder at times if it could be some kind of bacterial problem that once it gains a foothold there's just nothing you can do to eradicate it, because it's odd to me that out of 3 distinct reef tanks that I run, the same results happen in each of them. I used to be able to keep SPS - I can't anymore. Everytime I buy "test frags" or "test colonies" I get reminded within a few weeks that I am just wasting my money.
FWIW here are my numbers of the last tank I am trying SPS in. Ca 420, Alk 8, NO3 2.0, PO4 0.0, Mg 1390, SG 1.025. Source water is RO/DI. Water turnover is roughly 50x. SPS can be one of the most frustrating and futile endeavours once it gets to the point.
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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