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  #76  
Old 04-10-2019, 10:44 AM
Rsafron Rsafron 目前離線
ZEOhead in Training
 
Join Date: Mar 2019
Location: St louis
Posts: 88
Default 4 Weeks In

So I made it to 4 weeks and getting ready to change my media first time. Parameters today are Alk 7.4 Ca 425 Mag 1410 Nitrate 8 Phosphate 0.02-0.04. Cyno still presents. Some green hair algae primarily on pumps.

Dosing:
Start- 0.4 x 2 day
ZB - 4 drops every other day
SP - 2 drops every other day (dropped dosage with increased nutrients and cyno)
Bio mate - 8 drops every other day with CS
Zyme - one per week.

I added some IPhone pics of a few corals. One pic shows white tips that seems new for this coral. Any thoughts on new growth verses burnt tip??
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  #77  
Old 04-10-2019, 12:03 PM
jacky jacky 目前離線
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Default

I am sorry to hear this news

Are you still using ultraviolet light?
Is the water quality parameter good?
Do you use any adsorbent?
Can you tell us about activated carbon? Brand/quantity/how to use

* You can try to weaken the intensity of the led light source first. Radion G4 pro
(I hope everything goes well)

After seeing the picture, I don’t know why, my mood is not good, I really regret seeing the coral hurt.

If you change the ZeoVit material, remember Bac x10 days
At this time, the state of the coral may be better by reducing the reactor flow by 1/2 (I am not sure, listen to G. Alexander's suggestion)

The flow of the reactor should not be changed first. Let us try to reduce the intensity of the light to see if the situation is improved. You can do this first. Believe that there is no problem.

Last edited by jacky; 04-10-2019 at 12:29 PM.
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  #78  
Old 04-10-2019, 12:43 PM
Rsafron Rsafron 目前離線
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Join Date: Mar 2019
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Default

No UV. Carbon about 1/2 L Bulk Reef Supply (not ROX Carbon) in a bag in sump. No other absorbers. Maybe with the water becoming much clearer the light got to be too much??? I just turned down the Radions and adjusted the height of the T5/LED hybrid fixture. With Nitrates at 8 and Phosphate at 0.03 I don’t see low nutrition as an issue. Still have to clean front glass daily. Alk remains well below 7.5
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  #79  
Old 04-10-2019, 01:01 PM
jacky jacky 目前離線
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Mg, potassium, level?

The carbon in the oil sump is supplied in about 1/2 L of bulk (not ROX carbon). I don't know much about ROX carbon.
Try to remove ROX carbon.
If the coral condition is improved, it is recommended to use Zeo's activated carbon.

And try to change the water to stop the combustion (ensure the salinity / temperature is suitable)
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  #80  
Old 04-10-2019, 02:39 PM
Rsafron Rsafron 目前離線
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Mg 1410. K 430. It’s just plain carbon, not the aggressive ROX brand. All parameters on point. I did just do a PAR check. The main coral having issues has a PAR of 400 which is pretty much where it always was in the past. I did adjust lights down and now it has a PAR of 330-340. A little less white also.
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  #81  
Old 04-10-2019, 02:41 PM
Rsafron Rsafron 目前離線
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I understand that with Zeovit there always a chance that nutrients get stripped out too fast causing coral problems. My nitrate and phosphates have increased since starting Zeovit. I ran a low nutrient system for a couple years prior to the changeover.
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  #82  
Old 04-10-2019, 07:54 PM
jacky jacky 目前離線
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[Zeovit is always possible to strip nutrients too quickly, leading to coral problems]
1. Usually the advice in the Zeo Guide is no problem.
2. Any different system, improper use will also cause coral pressure
3.The carbon brand you use, I have no experience, maybe it is very good
4. LED PAR value, I really have no experience, "I did adjust the light, now its PAR is 330-340", looks good, hopes to ease the continued pressure on the coral

System conversion takes some time to adapt the coral to the environment. Your dosing plan is very good, nitrate 8 phosphate 0.02-0.04, if the unit is ppm, then this data is not too bad, usually 2 weeks after replacing ZeoVit material, if coral Health switch to continuous traffic

Bac x10 days after each replacement of ZeoVit material

Get some help from herbivores to clean
Hair algae - this should be a normal phenomenon, after denitrification and the product of organic matter

Still have to clean the front glass every day - this mainly depends on what kind of algae situation, control the nutrition, the use of Zeo basic knowledge, I believe there is no problem.

Change water 5~10% per week, skimmer to adjust humidity, replace filter socks, manpower clean, siphon, etc. to help slow down the deterioration of water quality
Zeo Coral Snow is also a good choice if you like. Recommend that you own it
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  #83  
Old 04-11-2019, 07:25 AM
Rsafron Rsafron 目前離線
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Besides lowering light intensity I’m thinking I should slow the flow down in the reactor?? I’m seeing burnt tips on another acro this morning. Just not sure lights is the only issue.
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  #84  
Old 04-11-2019, 07:50 AM
jacky jacky 目前離線
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First I will advise you to make sure the element is at the right level and try to stabilize it, including potassium.

You use the activated carbon brand, I really have no experience, I don't know if it causes coral pressure, usually I use Zeo's activated carbon

It is good to reduce the Led lighting time and adjust the intensity of the spectrum and increase the distance between the luminaire and the main display system.

I think ZeoVit material flow should not be a problem because the organization looks healthy

If it is me, "uncertain factor", I would suggest that you remove the original activated carbon, even if you do not use activated carbon, it will not have any serious impact on the coral.

Then adjust Led, I don't have Led experience, I can't tell you exactly how much should be adjusted.

And measure whether the reactor effluent meets the standard, and then adjust it slightly less.

And replace the water, 5%, do it 3 times in 10 days, (must confirm the salinity and temperature)
(If it is affected by led, even if the water is replaced is good)
(If it is because of the relationship of activated carbon, it is very good, activated carbon has been removed, and water change is good)

Then closely observe whether the burning of the corals stops or continues to deteriorate.

Can you give me a few corals with a close-up white balance and a clear picture?

If you look closely at the coral as shown in the picture, it is very likely that the LED illumination (beam) is too strong and directly hits the top of the coral (contact surface with light, or cross section)

If it is picture #2, then the same may be Led, or activated carbon, or a sudden sharp rise in the element, causing the top of the coral to burn

Or you can observe whether corals that are remote from Led lighting are also suffering from coral pressure burning.

Or see if most of the affected corals are located above the light.And the top of the coral in the lower position is good

Maybe I can think about it like this.
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Last edited by jacky; 04-11-2019 at 08:19 AM.
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  #85  
Old 04-11-2019, 08:37 AM
jacky jacky 目前離線
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Default

Probably like a picture
Actually, I am afraid to worry, whether the picture is copyright issue.

Then maybe not these reasons are also possible
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  #86  
Old 04-11-2019, 09:06 AM
Rsafron Rsafron 目前離線
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Its hard to get good pictures with an IPhone. Here are the 2 corals Im most worried about. This is not a new tank setup or new lighting. Tank has been running for 3 years with these corals under these same T5/LED hybrid the whole time. The only change to the system has been converting to Zeovit. It has to be the change thats causing but I cant say its due to stripping water of nutrients when measured nutrients have slightly increased from starting Zeovit. Im guessing the clearer water maybe has caused a reaction from the same lights that didnt bother them before. I will do per recommended, already reduce lighting intensity quite a bit. And may reduce reactor flow a little (maybe go from current 94 gph to 75). I dont think this little bit of carbon sitting in the sump would be an issue but just to rule out I removed it. Thanks.
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  #87  
Old 04-11-2019, 09:35 AM
jacky jacky 目前離線
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Thank you for the picture. I am still a newcomer. I don’t have any rich experience. I don’t have much idea at the moment. I try to do it in your way. I hope that the phenomenon of coral pressure can be relieved and improved.

Water flow should not be a problem
(Not direct strong water flow)

It should not be the erosion of fish animals such as crabs.

Adsorbent, you are not using

It doesn't look like a rapid decrease in phosphorus (maybe)
(It should usually also affect the organization)

Bacterial infection does not look like it is

I use Zeo's activated carbon, there is no problem with corals.

Maybe other refrigerated homes can provide their opinions
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  #88  
Old 04-12-2019, 02:52 AM
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G.Alexander G.Alexander 目前離線
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Have seen TN staring from the tips in the following situations:

Quick decrease of PO4 (PO4 absorbers)
Quick increase of Potassium
High KH
Aggressive carbon
High zeovit reactor flow

Can you rule out those possibilities ?

G.Alexander
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  #89  
Old 04-12-2019, 03:46 AM
Rsafron Rsafron 目前離線
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Quick decrease of PO4 (PO4 absorbers)
PO4 went up not down

Quick increase of Potassium
K has stayed normal, I have not dosed any since starting

High KH
7.5

Aggressive carbon
?? I’m using the low cost carbon from Bulk Reef Supply. I did remove all carbon yesterday.

High zeovit reactor flow
Running at 94 gph. I will try lowering that a bit.
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  #90  
Old 04-12-2019, 06:57 AM
jacky jacky 目前離線
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Some bad charcoal, the susceptibility to tissue loss is affected, you can also change the water, if the coral responds positively, and after stopping TN, it may be beneficial to switch to Zeo carbon.
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