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  #1  
Old 03-09-2019, 11:32 AM
cflow cflow 目前離線
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Join Date: Jul 2014
Location: Sacramento
Posts: 420
Default Need advise regarding NO3

I've had ultra low NO3 for several months in which my corals were doing ok but didn't have great color. I've been dosing AA, feeding heavily, and feeding coral food to boost color. I noticed a green film on my glass which i never had before. I may have waited a little too long on changing my zeolites. My corals look great. Color is very deep and rich. My LPS are so fat and happy. I decided to check my NO3. It is 25! I don't currently have a PO4 test kit so I don't have an idea of where it may be. I'm going to do a stone change. My question is are there any precautions I should follow with changing the stones when my NO3 is so high? I planned on leaving 10% of old stones and adding 90% new. I've never been in this situation before and just want to be safe.
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  #2  
Old 03-09-2019, 12:01 PM
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Loriculus Loriculus 目前離線
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Hello, ICP test could be a good idea?

Envoy de mon SM-A530F en utilisant Tapatalk
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  #3  
Old 03-09-2019, 12:31 PM
blackizzz blackizzz 目前離線
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Changing Zeo-media will probably not bring NO3 down that much, I'd advice you to do a couple of waterchanges before changing the media.

If everything is looking healthy = slow and steady changes
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  #4  
Old 03-09-2019, 01:44 PM
jacky jacky 目前離線
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Hello cflow, creature, fish, load, feeding, etc. are all related

Green film, this may come from excessive addition of additives, I don't know all your doses and frequencies

I don't know your tank related, maybe we can do this

Confirm that Ro water quality is good, change water 5~10% per week, clean skimmer outlet, keep the outlet clean, adjust skimmer wet, siphon sand bed, replace filter socks

The current situation, understand why the PO4 level is good

Use the basics -
Usually Zeo Bac 1 drop / 100L / 25 US gallons, 3 times a week
Zeo Start3, 0.1ml/100L/25 US gallons, daily x 2, morning/night
Zeo Sponge Power, 1 drop / 100L / 25 US gallons, 3 times a week

I don't know the value of PO4, this may be a dose that needs to be adjusted.

The premise of coral health
If there is an animal in the Tank, it is recommended to replace the ZeoVit material with 50%, and Zeo Bac for 10 days.

So it’s interesting to know how many ZeoVit/flows you currently use.

If you are willing to take / pull ZeoVot materials several times a day, this is also very interesting.

In addition, the nutrient level should not be lowered too fast, and corals need time to adapt to the environment.

Is Tank initial a ZeoVit system?

This may be better if you are willing to fill out the basic information about Tank.

Last edited by jacky; 03-09-2019 at 02:09 PM.
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  #5  
Old 03-10-2019, 09:56 PM
cflow cflow 目前離線
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Join Date: Jul 2014
Location: Sacramento
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Thanks. I did a 15% water change today and changed 90% is the stones. Hopefully the new stones don't pull too much out too quickly.
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  #6  
Old 03-10-2019, 10:14 PM
jacky jacky 目前離線
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Join Date: May 2018
Location: Asia
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The system of animals usually exists to change 50%, remember to add Zeo bac for 10 days.

Maybe you can add from "maintenance" and "basic knowledge", or whether the ZeoVit reactor flow is correct.

I don't know what is right, just an idea for me.

Also in my case, when the ZeoVit material is changed or pulled, the potassium value will change, or this will only happen to my tank.

See for reference

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  #7  
Old 03-11-2019, 02:38 PM
cflow cflow 目前離線
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I have noticed potassium changes with stone changes as well. I'm supplementing K.
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  #8  
Old 03-13-2019, 08:49 AM
jacky jacky 目前離線
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Usually the first time you replace ZeoVit is 90%, and you have already experienced this stage, plus the animal (coral) in the tank, so it is recommended to replace the ZeoVit material by 50%.

Ok, in the next 2 weeks, please pay close attention to the appearance of the coral and whether it has good growth.

Closely maintain water parameters
Kh6.5~7.5
Ca 400~420
Mg 1250~1300
K+~380-400

Please increase the elemental potassium increase slowly, not too fast, pay special attention to this point.

Please be sure to pay special attention to the water parameter inline, Coral appearance and growth

I don't know more about your tank information, water volume, PO4 value, ZeoVit quantity and flow, and the amount of additive knowledge.

ZeoVit materials are not completely effective in reducing PO4, and you should pay attention to the health of corals.

It is recommended to adjust from the Zeo basics to understand that the ZeoVit reactor flow is good.

Special attention to the appearance and health of corals

Since you are replacing ZeoVit 90% and the reactor flow is not clear, I am particularly worried about the health of the coral. Please pay close attention to the health of corals.

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