Calling All SPS Experts

I'm starting to lean towards that as my issue. It fits fits the time line. Not too long after switching the light this started occuring, and it explains the paling sps. I've always ran the carbon reactor and gfo with no issues in the past.
 
There is something to be said about too much light. I run a Halide/T5 combo and found my acros were pale with 6 hours of halides and 8 of T5. I don't have the ability to raise the lights so I now have the halides at 4.5 hours for the last couple weeks and the colors are all coming back.
 
Im no expert in sps corals but what i learned is the more flow the better for sps.. I have a 28 jbj tank and i have a ton of flow.. I have never been successful with sps corals until now.. I give the credit to all the flow in my tank.. I run 2 mp 10's, mp 40, and two cobalt mj 1200's


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Jep21 said:
Im no expert in sps corals but what i learned is the more flow the better for sps.. I have a 28 jbj tank and i have a ton of flow.. I have never been successful with sps corals until now.. I give the credit to all the flow in my tank.. I run 2 mp 10's, mp 40, and two cobalt mj 1200's


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Man! That is way too much flow for that tank. How do you keep anything in place?

And to get back into topic. Good thing you reduced your light intensity. That was the reason I lost a few colonies when I fired up my kessil. Now I keep my color at 65% and intensity at 100% at the peak of the day. My mistake was setting my color at 100% but now My Acros started coming back even the ones that I thought bleached completely.
I also run a carbon reactor but i run less than suggested. I run it for 2 weeks and switch it out. Some people have been successful runing pellets but i don't suggest it at all. Seems like you are in the right path though. These guys one here have gave you great info and plenty to do homework on for the next couple weeks. Best of luck!
 
maazreef said:
Man! That is way too much flow for that tank. How do you keep anything in place?

And to get back into topic. Good thing you reduced your light intensity. That was the reason I lost a few colonies when I fired up my kessil. Now I keep my color at 65% and intensity at 100% at the peak of the day. My mistake was setting my color at 100% but now My Acros started coming back even the ones that I thought bleached completely.
I also run a carbon reactor but i run less than suggested. I run it for 2 weeks and switch it out. Some people have been successful runing pellets but i don't suggest it at all. Seems like you are in the right path though. These guys one here have gave you great info and plenty to do homework on for the next couple weeks. Best of luck!
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Corals stay in place just fine.. They love the flow :)

See :)

View attachment 6894

Try adding more flow and doing more frequent water changes


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IME which is modest, SPS can be ok for a while in a no nutrient system. However, it makes them a lot more sensitive to high levels of light, and they start paling and weakening. There seems to be a point of no return where everything goes from OK to dead quickly. Some people can be highly successful running ULNS however IME they are running a lot closer to the edge where things can turn ugly in a hurry. I am going to play it safer from now on and go back to my old methods of nutrient export - refugium, good skimmer, and vodka (only if needed). My SPS before my experimentation with Biopellets looked best when I had a hair algae breakout, so I'm ULNS is not for me.
 
Jep21 said:
Im no expert in sps corals but what i learned is the more flow the better for sps.. I have a 28 jbj tank and i have a ton of flow.. I have never been successful with sps corals until now.. I give the credit to all the flow in my tank.. I run 2 mp 10's, mp 40, and two cobalt mj 1200's


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Where do u put the corals with all those power heads in that tank lol
 
bryman said:
IME which is modest, SPS can be ok for a while in a no nutrient system. However, it makes them a lot more sensitive to high levels of light, and they start paling and weakening. There seems to be a point of no return where everything goes from OK to dead quickly. Some people can be highly successful running ULNS however IME they are running a lot closer to the edge where things can turn ugly in a hurry. I am going to play it safer from now on and go back to my old methods of nutrient export - refugium, good skimmer, and vodka (only if needed). My SPS before my experimentation with Biopellets looked best when I had a hair algae breakout, so I'm ULNS is not for me.
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Bry, going back to basics is what I did. I ran ulns with success for a while but there are too many factors that can go sideways. Keeping it simple is the safest way. So, what are your nutrient levels at and how high would they need to go before you vodka dose?
 
That's my philosophy too now. Honestly I haven't tested PO4 in a long time and I know I never have NO3. I will start using vodka again if I start seeing hair or other nuisance algae in the display and can't control it by cutting back on feeding. Or if PO4 registers above 0.1.
 
It's only been a couple of days but since shutting down the reactors and cutting my LED intensity by 1/2 it appears that my SPS are responding well. I am continuing to feed heavy and dose amino acids. I am currently dosing 2 ml a day.
 
I'm starting to see some turnaround in all my SPS but for some reason my slimer is still STNing. I've started to frag it up yesterday so hopefully some of it pulls through
 
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