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Old 05/11/2021, 10:52 AM   #1
thefishyboy
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Sad looking coral

Hi all

As title says my 2 corals which have been in my tank for approx 2 months are both looking very sad today and Iím a little worried that something has happened.

My reading are
Sal1.025
Amm 0
Nitrate 0
Phosphate 0
Cal 420
Kh8
Phos 0

I was having some phosphate In my tank which was fuelling a bit of algae growth so to get this under control about a week ago I added a reactor running carbon and gfo. This is the only thing that has changed for a long time so is this the reason for my sad coral and will they recover on there own or do I need to do something?

Elegance coral has been in the tank for about 6 months and has looked happy until now and the aloniopora about 2 months also been happy until now.

Any help much appreciated

Thanks



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Last edited by thefishyboy; 05/11/2021 at 02:32 PM.
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Old 05/12/2021, 11:14 AM   #2
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Check your alkalinity first. Good parameters are in my sig line. If that's off, check your magnesium, then calcium. GFO shouldn't affect them that much.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 05/12/2021, 11:16 AM   #3
thefishyboy
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Is alkalinity not the same as kh?


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Old 05/12/2021, 03:49 PM   #4
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Yep. Got that now. Been having some log-in access problems. Sorry. Your params are good. Did you rinse carbon and gfo? Dust could have irritated them. Carbon itself should uptake any allelopathy, (sp) going on. Be careful that the effluent directly from GFO isn't blasting the corals. And if they don't relax after a few days, or seem to be getting worse, I'd pull them to qt until the tank is sorted out, or just give up and try to live with the algae until time sorts it out. Normal sources for phosphate are : non-ro/di water or failing ro/di filter; phosphate in rock and sand slowly leaching out into the water ; or green fishfood.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 05/12/2021, 05:02 PM   #5
Vinny Kreyling
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Carbon & GFO mixed in 1 reactor could be a problem IF the flow is too high.
GFO works best @ a slow tumble on the surface & carbon should be tightly packed so there is NO movement.


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Old 05/12/2021, 07:15 PM   #6
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that's definitely a thought. It could be sending particles into the water.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 05/13/2021, 11:05 PM   #7
Tonkatsuvisuals
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Hows the corals doing now?


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Old 05/18/2021, 07:37 AM   #8
thefishyboy
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Thanks all seem to be getting better still not totally sure what the issue was tbh but they are both feeding well so . I did rinse the gfo and carbon in fresh Ro water I have learnt from that mistake the hard way in the past. I have maybe a bit too much flow in my reactor possibly but the media sits on the lower sponge itís not going up and down if that makes sense so I think itís ok?


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Old 05/18/2021, 07:39 AM   #9
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The reactor outflow pipe goes into the sump compartment at the back of the tank so it doesnít go directly into the tank so dust particles would hopefully settle in the sump compartment


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Old 05/18/2021, 04:51 PM   #10
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At times corals just react cautiously to ANY change, even a good one. They're kind of like a committee rather than a brain, so you kind of have to expect reaction when you do something different. A FAST negative reaction is to listen to, or heads popping off, but they haven't outlived the dinos by being reckless. A note, especially with Euphyllias (Hammer, tect) and brain---if hammer, eg, has a head come off, save both the skeleton and the head if you can catch it, put head in a shallow glass bowl to keep current from carrying it away, in good light, and just as a fragment of tissue left in the skeleton can grow a new head, a head by itself can start and grow a new skeleton. BRain once driven into the skeleton can reemerge months later and start growing.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 05/23/2021, 06:22 AM   #11
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They’ll be dead within days. Dismantle your salt tank and build it back as an African cichlid tank, they’ll even propagate and you can sell babies back to the pet shop!


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