Stressed corals - need help

AlmostGosu · Dec 2, 2017

I just upgraded from my 72 to a 180 a couple weeks ago and these guys aren't bouncing back.

Monti: I did a lugol's dip on the monti yesterday, but algae is already growing back on the surface and I don't know what to do to help him out. There's a birdsnest up and to the right (higher in the tank) of the monti that's doing great, and another acro right in front of it that's a resuce from another tank and it's doing fairly well.

Hydnophora: (I know it's LPS but I didn't want to put this in tank emergencies or make two threads) has a branch that appears to have some fungus on it. This is completely new to me and googling is giving me wildly varied results. I have iodine and coralRX on hand. Should I do a dip? Do I need to worry about any other corals in my tank dying because of this?

Any and all help is appreciated. I hate to lose colonies like this. I'm running carbon in line right now.

Water params:

Calc has been stable on my reactor for about a week ~420-440
Alk I'm still dialing in, but has been between 8.5-9 when I test every night
Ammonia 0
Nitrate ~0
Nitrite ~0
Phosphate ~.05 (going through a mini-cycle)

Equipment:

2x XR-30 Pro (SPS-AB Schedule)
2x XR-15 Pro (SPS-AB Schedule)
3x MP-40 (each running ~50% to keep from blasing lps & churning sand)
Super dart / snapper return pump (~1600 GPH turnover)
SM-202 Skimmer
40g sump w/ 20g chaeto & mangrove fuge lit by kessil H380

Kth · Dec 2, 2017

Have you been feeding your corals? Since you've upgraded your tank it might be super clean, so your coral could've become starved of nutrients.

AlmostGosu · Dec 2, 2017

Kth said:
Have you been feeding your corals? Since you've upgraded your tank it might be super clean, so your coral could've become starved of nutrients.

I havent - I'll mix up some reef roids.

saltyfilmfolks · Dec 2, 2017

Well, you want to be able to test your par , with higher alk and low nutrients it could be bleaching , iodine is pretty rough on coras If too concentrated, so I wouldn't dip.

If nutrients are low coral food wont help that. But he other corals seem ok.

Lower the light or go into acclimation mode for a bit

Not sure what you mean by mini cycle with the Po4 that doesn't actlly work that way.

If your running purigen or gfo or a carbon reactor maybe lean it back a bit , you could be stripping the water too hard.

A whale lot of new rock has been known to effect stony corals oddly form time to time