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Kproescher 04-06-2018 08:26 AM

new to zeovit
Brand new to the system would like some start-up advise.
750xxl, mixed reef, tank is 8 months running. thanks.

Kproescher 04-06-2018 01:30 PM

tank specs
1. Gross water volume of your complete system (incl. sump etc.) 200 g
2. Net water volume (incl. sump etc.) 160 g
3. Are you using a CaCO2 reactor or other technique NO
4. Are you using a PO4 reactor (how long, how long ago, etc.) No
5. Are you using Ozone No
6. Are you using UV No
7. What skimmer are you using (type, rated water volume) Bubble Magus Curve 7.
8.What are your actual PO4 and NO3 levels PO4: 0.1 / NO3: 0
9. What are your actual Ca, Alk and Mg levels / CA490
10. What filtration method do you use (refugium, DSB, Miracle Mud, etc.) Refugium
11. Type of light (Watt, color temp, how old, etc.) 4x AI Hydra 26 HD
12. What corals do you keep Planning to keep lps/SPS
13. Tissue color (light or dark) / light
14. How long has the tank been running / 8 months
15. Why do you want to use the ZEOvit system Stunning Corals
16. Any supplemental dosing (type, amount, why, etc.) / Red Sea A&B, iodode (inverts)
17. Live rock (how much, how old, etc.) 100 lbs. came from 30 year old tank
18. Any present problems No just slow growing corals
19. Problem description (tissue loss tips, tissue loss base, diatom bloom, algae, etc.) / N/A
20. What test kit do you use Seifert/API pretty new
21. Present dosing, amounts and intervals (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.) / Putting in system tonight!
22. Other water parameters and water stability 77-78 degrees, PH 8.3, KH 179ppm, Amonia 0, Nitrate 0, Salt 1.025, 10% weekly water changes, 7 smallish fish a dozen frags, no algae problems to speak of

23. Which salt brand do you use Salinity Aqua Vitro

G.Alexander 04-06-2018 11:32 PM

Hi Kproescher :)


First of all I would recommend to download the dosing guide from:


It contains a lot of useful information and will be helpful to get a feeling for the dosage.

As PO4 is already high in your system it will take some time before you notice a slow decrease so you will need patience.

First start with the basics products to decrease nutrients:

1. Place 1.5 liter zeovit in a Zeo Reactor. Water flow around 160 US gallons per hour. Connect the reactor pump to a clock timer and run the reactor pump with a 3 hour on / 3 hour off / 3 hour on interval. Please make sure the zeolite is not exposed to air while the pump is switched off. Clean the material daily. Leave the zeolite 4 weeks in the filter until you do the first change out. This is the first changing interval, others could be lengthen to 6 – 8 weeks.

2. Place 0.6 liters activated carbon in a filter sock and keep it in a passive water flow in your sump, changed every 30 days. Knead the carbon daily to keep the surface clean. Most users get perfect results with korallenzucht carbon.

3. Dose 6 drops ZeoBac daily for the first 2 weeks, flowed by a 2 – 3 x weekly dosage of 6 drops. Dose 0.6 ml ZeoStart 2 x daily (morning & evening). Dose those in front of the Zeo reactor pump while it is switched on.

Later on you could use the additional products for coral coloration. Adjust your skimmer to skim wet, keeping it clean to export as much as possible. Do a weekly water change of 5 – 10 % with a good salt.

Keep the basic water parameters as stabile as possible close the NSW in the following ranges:

KH 6.5 – 7.5
Ca 400 – 420 mg
Mg 1250 – 1300 mg
K+ ~ 380 mg

For a nutrient poor environment K+ (potassium) seems to be a important element. I would recommend you to get a test kit for this element also, posting your results.

This is a start-up dosage which might have to be adjusted later.


Kproescher 04-07-2018 01:17 AM

Can I get 160 gph out of my zeovit reactor? I have the Korrallen-Zucht 2L.
Also I just put 1 liter of the zeovit rock per the dosing instructions (in the link) for aprox. 150 gal. I Will add more. i currently have the carbon soaking in the warm water, is it ok to add tomorrow?
Thank you for your response.

Kproescher 04-07-2018 02:09 AM

MG was 1340-1360

G.Alexander 04-07-2018 11:18 PM

You can easy measure the flow by collecting the water from the reactor outlet for 30 seconds with a small container. Multiply the water volume by 120 and you will get the exact output per hour. 160 US gallons would be the right amount for 1.5 liters material, a little bit more or later does not cause issues.

You can add the carbon the next day also, no problem.


Kproescher 04-08-2018 01:42 AM

thank you so much.

Kproescher 04-08-2018 01:44 AM

How long do i run at the three hours on three hours off? full month? thanks

G.Alexander 04-09-2018 03:43 AM

If all goes well you can usually switch to continuous flow about 2 weeks after the first ZeoVit exchange as long as all the corals are doing fine.


Kproescher 04-14-2018 09:16 AM

1 week in...
After one week and right before my weekly 10% water change:

PH 8.2
Ammonia 0
Nitrite 0
Nitrate 0
Mag 1400
Potassium 390
Phosphate .015
CA 490
KH 187

I continue to follow your instructions on dosing Bak and Start and the 3 hours on/3 hours off. Everything looks good in the tank so far.

any advice you have is welcome. Thank you.

G.Alexander 04-14-2018 11:27 PM

Looking good, lets continue as planned.


Kproescher 04-21-2018 10:34 AM

Week 2 results
PH 8.2
Ammonia 0, Nitrate 0, Nitrite 0
Mag 1260
KH 179 ppm
Pot 390
Cal 410
Phos 0.1

This is all before 10% water change.

Corals all look good and fish are good as well. Water is clear, still feeding 2-3 times daily, using Oyster Feast and phytoplankton alternating every other day.
shrimp and crabs molting well without any iodide plus we have a cardinal with a mouthful of eggs!
so far so good.

Per your advice we will be switching to reactor on 24/7 today, keep flow the same?

do I continue with the same dosage? Do i add ZeoFood7 yet?

Thanks for all the advice along the way!

G.Alexander 04-22-2018 12:17 AM

Lets keep the reactor flow as it is while switching to continuous flow. In your case it should be ~ 160 US gallons.

Personally I would recommend to stop feeding the corals additional while PO4 is elevated, same with ZeoFood. You can use some coral food later if necessary when the PO4 level is stabile low.


Kproescher 04-22-2018 01:04 AM

one more Q
So my goal here is to get my PO4 to zero, correct? also almost out of ZeoBak....Is this something that i keep using or is it just for start-up? Your answer will help me pick a size! 10ml or 50ml....
Thank you.

Kproescher 04-22-2018 01:44 AM

Also you say after 2 weeks cut back to 2-3 times per week on ZeoBak, got that but what about ZeoStart? keep dosing 2x daily as above?

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