Are my corals bleaching?

[bkostuch]

I have a couple acro frags that look like they are bleaching. Placement in the tank is at the bottom. Mag is 1400
Calc is 380 (yes I know this is low, heavy dosing trying to get it higher)
Alk is 9.1

What do you think?

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[bkostuch]

Also I don't run my lights higher than 55% for more than 2 hrs in mid day.


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[snowmansnow]

I don't think the first coral will survive :/ but, the other 2 look ok to me....how long have you had them


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[bkostuch]

Yeah that first one went downhill fast. Had them about a week now. Not sure if my lighting is not to their liking or if its something else.


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[bkostuch]

First one I think was base up. Rest aren't showing signs of bleaching, almost looks like maybe growth on a tip? But not sure what acro growth looks like up close


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[russ-iv]

heya brent,

2nd one i dont think are growth tips. too aggressive a white tip for low cal, and 9 alk.

what kit did you use to test alk?
what is your po4/kit?
tank age?

i have had similar observations is why i am asking

 

[bkostuch]

Red Sea pro kit. The 2nd one I think already had that when I picked it up from Brett, and i remember now that he mentioned growth, it's been like that since I got it. No po4 kit, I take it lfs to check.


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[jennm]

Bottom up is RTN. That one's a goner.

Jenn

 

[russ-iv]

bkostuch;1041330 wrote: Red Sea pro kit. The 2nd one I think already had that when I picked it up from Brett, and i remember now that he mentioned growth, it's been like that since I got it. No po4 kit, I take it lfs to check.


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def get a po4 kit. i tried a few, and could only get a reading on rs pro. this is just my experience.

 

[bkostuch]

Ugh, looks like my alk might have started tanking when I started dosing calcium and didn't compensate for the precipitation on alk. Well I guess now is the time to get my levels right and crank up the new doser.


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[bkostuch]

Okay not sure what's up.
Mag 1380
Alk 9.8
Calc 395

Just did a 10% water change as well.


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[bkostuch]

Calc is up at 410 now. I just noticed my stunner is spotting now as well. Ugh, zoas and the mushroom seem unphased.


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[camellia]

I'd frag whats left of the first one and get the rest out of the tank.

2 could be growth, 3 hard to say but I'd guess it wasn't getting light on that side that's lighter.

 

[bkostuch]

First one was 100% rtn by the time I got back to it. Moved 2&3 to the top of the tank. Increased lighting during full sun hours and they are looking better. Stunner hasn't produced anymore spotting.


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[russ-iv]

keep us posted. if 2's white tip hasnt increased in 24 hours, could very well be a growth tip rather than stn.

 

[bkostuch]

Coral 2 looks good still, white tips are still the same. I think I'm looking at growth on this one.


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[bkostuch]

Update: Coral 2 and 3 are growth and still doing well