Help SPS corals dying slowly

Sorry, I haven't read the entire thread, but if you moved everything into a new tank, then you really didn't change anything.

If it's something in the rocks leaching, or one of your pieces of equipment, then I'm afraid you just moved the issue to the new tank.
 
If your lps are dying too it has be water quality issue. Sps can be finicky but lps are a lot easier. I would check for nitrate and phosphates.


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anthonys51 said:
If your lps are dying too it has be water quality issue. Sps can be finicky but lps are a lot easier. I would check for nitrate and phosphates.

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NO3 - 2 ppm
PO4 - 0.16 ppm

That's in the new tank with all new water.
 
Rocks can leach both into the water. Changing 100 percent of your water doesn't do much for phosphates and only does something for nitrates short term.


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I still don't understand what could be a problem. Even if the rocks leach out some phosphates it's not much. 0.16 ppm PO4 is not that high to cause the corals to die. Or I am wrong?
 
.16 phosphates is high Now some people will tell you that there tank is that high and thriving. But that's like me saying I can eat doughnuts everyday and be skinny. Well most of us can't
The problem with rocks leaching nutrients and having too much decaying matter is it brings on a new set of problems. Could be ph fluctuations and bacterial problems. What do you have for flow.


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anthonys51 said:
.16 phosphates is high Now some people will tell you that there tank is that high and thriving. But that's like me saying I can eat doughnuts everyday and be skinny. Well most of us can't
The problem with rocks leaching nutrients and having too much decaying matter is it brings on a new set of problems. Could be ph fluctuations and bacterial problems. What do you have for flow.


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900GpH return pump, Two Jebao RW-8 on side walls and two Jebao RW-4 on a back wall. All controlled by the Apex with random flow program.
 
Here is my PH and Temps. PH never drops below 8. It is usually stays between 8.1 and 8.4

apex.png



The new tank size is 150 Gal and 75 gal sump
 
Staisman said:
Here is my PH and Temps. PH never drops below 8. It is usually stays between 8.1 and 8.4

apex.png
Click to expand...



Ph in certain spots can be lower if too much decaying going on. Great water movement combined with clean rocks and stuff will limit that. If I am explaining my point. It's almost like when you go swimming in the ocean and you get a warm spot


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I almost have no snails right now. Used to have a lot but they all died from not enough food ? I have no crabs, I had a conch who also died. I have only one Starfish and sea cucumber.
 
Snails are sensitive to nitrates. More likely it got to high and killed then than they all starved to death


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Have you check for total chlorine? That's indication of chloramine in water.


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