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Old 11-17-2008, 03:54 PM
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Quote:
Originally Posted by Snappy View Post
I can assure you that in a 75 gallon tank you are not even close to the flow you need for sps
What do you recommend for flow in a 75G for SPS Greg? I am getting about 44X turnover (3300GPH) in my 75...
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Old 11-17-2008, 04:00 PM
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To put the flow thing into perspective I have a maxijet 1200 with the mod kit on my 65g (same footprint as the 75g but only 18" high) so thats approx. 1600 gph flow on a tank that has my tube anemones, bubble coral, fox coral and mushrooms, all low flow corals.
If I was going to have sps in there I would add at least another modded maxijet.
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Old 11-17-2008, 04:09 PM
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in my 50g I have a return pump =350gph, 2 6055 nano's and a MJ1200 total of 3515gph or 70X turn over
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Old 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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Last edited by Doug; 11-17-2008 at 06:09 PM.
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Old 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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Old 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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Old 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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Old 11-17-2008, 07:15 PM
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Quote:
Originally Posted by JDigital View Post
What do you recommend for flow in a 75G for SPS Greg? I am getting about 44X turnover (3300GPH) in my 75...
50 - 100% more.

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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
In my experience when you get a green skeleton after STN / RTN you have a nitrate-phosphate issue.
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Last edited by Snappy; 11-17-2008 at 07:18 PM.
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Old 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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Old 11-17-2008, 07:25 PM
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another pic

Last edited by dabandit; 12-05-2008 at 06:46 PM.
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