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  #1  
Old 08-09-2018, 01:31 AM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default How to reduce Nitrates

Hi

I have a stable Zeovit system at the moment and I want to drop the nitrates down.
My PO4 is at 22ppb and I have no problems with this.

If I want to drop the Nitrates down should I increase Zeostart?
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  #2  
Old 08-09-2018, 02:50 AM
jacky jacky 目前離線
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Join Date: May 2018
Location: Asia
Posts: 681
Default

Hello, this is the kz tank message, you can start with this, so that G.Alexander can help.

Total water volume of the system (including oil sump, etc.) - US gallons / imperial gallons / liters
2. Water purification (including oil sump, etc.) - US gallons / imperial gallons / liters
3. Are you using a CaCO2 reactor or other technology?
You are using the PO4 reactor (how long, how long ago, etc.)
Are you using ozone?
Are you using ultraviolet light?
7. What skimmers do you use (model, rated water)
8. What is your actual PO4 and NO3 level?
9. What is your actual Ca, Alk and Mg content?
10. What filtering method do you use (refugium, DSB, Miracle Mud, etc.)
11. Type of light (watt, color temperature, how big, etc.)
What coral do you keep?
13. Tissue color (light or dark)
14. How long has the tank been running?
15. Why use the ZEOvit system?
16. Any supplemental dose (type, quantity, cause, etc.)
17. Live rock (how much, how big, etc.)
18. Any existing issues
19. Description of the problem (deletion of tissue, tissue loss basis, algae, algae, etc.)
20. What test kit do you use (how old, recently switched, etc.)
21. Current dose, quantity and interval (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.)
22. Other water parameters and water stability (salinity, temperature, etc.)
23. Which salt brand do you use?
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  #3  
Old 08-09-2018, 04:33 AM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default Tank Stats

1. Gross water volume of your complete system (incl. sump etc.) - US gallons / UK gallons / liter
Water volume 2000l

2. Net water volume (incl. sump etc.) - US gallons / UK gallons / liter
Net water volume 1800l

3. Are you using a CaCO2 reactor or other technique
Yes Ca reactor
I have my Ca at 440 and good coral growth

4. Are you using a PO4 reactor (how long, how long ago, etc.)
Yes if the PO4 goes above 30 ppb
Happens when I feed pallet food

5. Are you using Ozone
No

6. Are you using UV
No

7. What skimmer are you using (type, rated water volume)
DelTec 3070S

8. What are your actual PO4 and NO3 levels
22 ppb
NO3 10 ppm or above using a Red Sea test kit

9. What are your actual Ca, Alk and Mg levels
Ca 440
Alk 6.88 dkh (Hannah checker)

10. What filtration method do you use (refugium, DSB, Miracle Mud, etc.)
Rock and Zeolite media
KZ carbon

11. Type of light (Watt, color temp, how old, etc.)
8 Ecotec marine Radion Gen 3

12. What corals do you keep
SPS

13. Tissue color (light or dark)
Colours look ok at the moment
Slightly darker than usual

14. How long has the tank been running
2 years, and started conversion a 12 months ago
Rocks look clean and no algae at all.
I have mulum deposits on them

15. Why do you want to use the ZEOvit system
Improve colors

16. Any supplemental dosing (type, amount, why, etc.)
Sponge power - 18 drops every 3 days
Coral vitalizer - 36 drops every 3 days

17. Live rock (how much, how old, etc.)
I started with dead rock aand now these are very clean and pristine

18. Any present problems
No major issues
Colors are a bit dull
Polyp extension is ok

19. Problem description (tissue loss tips, tissue loss base, diatom bloom, algae, etc.)
Increased NO3 leading to darkening of colours

20. What test kit do you use (how old, recently switched, etc.)
Red Sea and Hanna
I verify result using TRITON

21. Present dosing, amounts and intervals (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.)
Zeobak 18 drops (each time) twice a week
Zeostart 2.5 ml per day
Zeofood 18 drops per time, twice a week)
Sponge power 18 drops each time, twice a week
Coral Vitalizer 36 drops each time, twice a week

22. Other water parameters and water stability (salinity, temp, etc.)
1.026 salinity
Temp 26 C

23. Which salt brand do you use
Aquaforest

Thaks for your help in advance
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  #4  
Old 08-09-2018, 07:49 AM
jacky jacky 目前離線
ZEOhead
 
Join Date: May 2018
Location: Asia
Posts: 681
Default

It seems that you are experienced.

Determine the amount of zeolite & flow level, confirm whether the ro/di is good, and fix the water change 10% per week to refresh the balance and vacuum the sludge.

Adjust the skimmer to be damp.

Kz activated carbon. ribbing a few times a day

Since you are transferring the system, it may take a while depending on the length of the original system.

You can change the bak, start3, and sponge power doses to 10 days per day.

you can put more relevant pictures of tank including sump.

If you are familiar with the product, they can also help, coral snow, bio mate.

Waiting for G.Alexander

Last edited by jacky; 08-09-2018 at 08:10 AM.
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  #5  
Old 08-09-2018, 12:57 PM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default Dosing changes

Hi thank you for your reply

Did you mean
change the bak, start3, and sponge power doses to 10 days per day.
Change Zeobak to 10 drops per day
Start 3? What should I does sail in ml?
Sponge power 10 drops per day

Please confirm
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  #6  
Old 08-09-2018, 01:05 PM
jacky jacky 目前離線
ZEOhead
 
Join Date: May 2018
Location: Asia
Posts: 681
Default

Quote:
Originally Posted by edirisud View Post
Hi thank you for your reply

Did you mean
change the bak, start3, and sponge power doses to 10 days per day.
Change Zeobak to 10 drops per day
Start 3? What should I does sail in ml?
Sponge power 10 drops per day

Please confirm
Start3 early/night, bak&sp every day for 10 days, we still listen to G.Alexander's suggestion, it is a professional at the top of the pyramid
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  #7  
Old 08-09-2018, 11:37 PM
G.Alexander's Avatar
G.Alexander G.Alexander 目前離線
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Join Date: Jan 2005
Posts: 35,070
Default

Can you please tell us something more about the fish load and the quantity of food you add to the system ?

G.Alexander
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  #8  
Old 08-10-2018, 02:01 AM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default

I feed twice a day
Bit of Nori (about 10 cm x 10 cm) piece at mid day
And about 6 cubes of brine shrimp (1.5 cm x 1.5 cm each) in the afternoon

I have 12 fish
4 tangs that are about 150 cm each

And 5 yellow tangs that are about 8 cm
The others are hawk fish and gobies

The system works well at the moment, but my sand turns but brown during the week and I syphone and clean the gravel.

My Nitrates are keeping my coral tissue a bit dark from what I can observe

Thanks for your help
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  #9  
Old 08-10-2018, 11:26 PM
G.Alexander's Avatar
G.Alexander G.Alexander 目前離線
ZEOadmin
 
Join Date: Jan 2005
Posts: 35,070
Default

Thank you, some change I would recommend:

Zeobak 18 drops every other day
Zeostart 1.8 ml 2 x daily
Zeofood – stop dosing it at the moment
Sponge Power 18 drops daily
Coral Vitalizer – stop dosing it at the moment

Please also check the flow through your ZeoVit reactor by measuring it. Collect the water from the outlet for 30 seconds with a separate container and multiply its volume by 120. This will give you the exact output per hour. Use 4.5 liters ZeoVit in the reactor.

Vacuum your sand bed while each water change for a while to remove the sediment from the deeper sand layers.

Adjust your skimmer to skim wet to export as much as possible and clean it daily.

Do you use any kind of mechanical filtration material like sponges etc ? If so I recommend to remove it. If you use filter socks clean them every other day.

Please update in about 2 weeks.

G.Alexander
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  #10  
Old 08-11-2018, 12:15 AM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default

Thanks
My flow rate through the reactors is 1000 l per hour
I have two reactors with equal amount of Zeolite

No filter socks or wool

I will chew he the dosing and keep you posted
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  #11  
Old 08-17-2018, 06:02 PM
edirisud edirisud 目前離線
ZEOhead in Training
 
Join Date: Sep 2017
Location: New Zealand
Posts: 39
Default

One more question
I currently dose bio mate 36 drops every third day (twice a week)
Should I continue with that?
My PO4 is at 20 ppb
My NO3 is at 16 ppm
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  #12  
Old 08-17-2018, 11:37 PM
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G.Alexander G.Alexander 目前離線
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Join Date: Jan 2005
Posts: 35,070
Default

2 drops / 100 liters 2 x weekly is what I have dosed usually even if nutrients where not detectable however if you like to you can try to reduce the dosage to 1 drop / 100 liters 2 x weekly while monitoring PO4 and NO3, both should not increase.

G.Alexander
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