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Old 03-13-2017, 07:05 PM
DukeOfSavoy DukeOfSavoy ¥Ø«eÂ÷½u
ZEOhead in Training
Join Date: Dec 2016
Location: Louisiana, USA
Posts: 7
Default Help with Zeovit Startup in an existing but lightly stocked system

I started the Zeovit system on my tank 4 weeks ago, and am still having issues with the startup. My tank had 2 acro, 1 zoa, 1 acan, and 1 monti along with various snails and hermits but no fish. It was up and running for 3 months, and all coral was alive and had healthy PE but a general brown color to the tissue. After starting dosing my two acro bleached, one started STN but the other had normal PE, and my monti turn darker brown but 0 PE(other Corals showed no reaction. I attributed the trouble with the negative effects to cycling with the new bacteria, so I moved all Corals into another tank. After 20 days of start up I replaced the monti in my tank. It's been ~ 10days back in the tank and it's starting to show STN. I'm rather frustrated at this point, I wanted to see if there's something I missed which is the cause of my troubles before I discontinue Zeovit and return to my old Berlin-type system.

1. Gross water volume of your complete system:
20g tank plus 20g sump
2. Net water volume (incl. sump etc.) -
approx 35g
3. Are you using a CaCO2 reactor or other technique :
4. Are you using a PO4 reactor
5. Are you using Ozone
6. Are you using UV
7. What skimmer are you using (type, rated water volume)
RLSS R5i rated up to 75
8. What are your actual PO4 and NO3 levels
NO3 is 0.3, PO4 is 0.1
9. What are your actual Ca, Alk and Mg levels
Ca is 420, Alk is 10, Mg is unknown
10. What filtration method do you use (refugium, DSB, Miracle Mud, etc.)
Zeovit Reactor, activated carbon, and skimmer
11. Type of light (Watt, color temp, how old, etc.)
150w HQI metal halide, 20000k
12. What corals do you keep
See into
13. Tissue color (light or dark)
One dark, two bleached
14. How long has the tank been running
15. Why do you want to use the ZEOvit system
Care and color up SPS
16. Any supplemental dosing (type, amount, why, etc.)
See 21
17. Live rock (how much, how old, etc.)
18. Any present problems
See into
19. Problem description (tissue loss tips, tissue loss base, diatom bloom, algae, etc.)
See intro
20. What test kit do you use (how old, recently switched, etc.)
Salifert, 4 months old
21. Present dosing, amounts and intervals (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.)
Zeovit - .3L in Reactor
Zeobak - 1-2 drops daily
Zeostart - 3 drops daily
Pohl's Extra - 1 drop daily
Minor trace - every week
22. Other water parameters and water stability (salinity, temp, etc.)
Temp 77°
Salinity 1.023
23. Which salt brand do you use
Reef Crystals
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Old 03-14-2017, 01:02 AM
Mikereef Mikereef ¥Ø«e½u¤W
ZEOhead in Training
Join Date: Nov 2016
Location: England
Posts: 21

By keeping your alk at 10 and having 0.1 phosphate isn't a good idea. To run a zeovit system alk needs to be between 6.5 to 7.5 any higher and corals show burnt tips ect. My zeovit tank was started with it and hasn't had any problems. But switching an established tank to zeovit tbh is a looong slow mission. My best friends tank took a year before it was fully on the zeovit alone.

Sent from my SM-G925F using Tapatalk
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Old 03-14-2017, 02:32 AM
G.Alexander's Avatar
G.Alexander G.Alexander ¥Ø«eÂ÷½u
Join Date: Jan 2005
Posts: 32,574

The KH is for sure a problem, also have you already checked the K+ level of your system ?

Please also measure the flow of your reactor and post the result. You can do this easy by collecting the water from the outlet for 30 seconds, than multiply the volume with 120 and you will get the exact output per hour.

Do you run the reactor with continuous flow since the start or do you use the 3 hour on/off interval ?

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Old 03-20-2017, 02:24 AM
DukeOfSavoy DukeOfSavoy ¥Ø«eÂ÷½u
ZEOhead in Training
Join Date: Dec 2016
Location: Louisiana, USA
Posts: 7

I was aware that my KH was on the high side prior to starting Zeovit. Fixing was the problem that I really couldn't find a viable solution for. The only two options that were found were water changes, or adding extra CaCl2. My problem with the water change solution is that nothing I dose is supposed to raise my KH, which makes worry that my water from my RO unit is already high which would not fix anything. I replaced all the filters in my RO less than 4 months ago, so they should be good to go as my TDS reading is 15. I do water changes every two weeks and this had had no effect. The CaCl2 option, which is supposed to bring KH into equalibrium, hasn't worked either. So I'm at a loss as to how to fix this.
G: I had my reactor running on the 3hr cycle for the first two weeks but have since had it on 24hrs. The flow rate is right at 60gph which would be the recommended rate in the KZ manual. I stir the reactor 2-3 times per day, but no mulm has been produced as of yet. My existing tank, had almost no bioload with only 4 frags and 3 hermits and snails. That's why I pulled my frags and treated the Zeovit startup as you would for a new system.
I have a 55g mixed reef that isn't on Zeovit just a refugium with algae and a large skimmer. Since transferring the frags to that tank they have been doing well. I did move one monti frag back into the Zeo tank and it was looking okay but no PE for about 4 days then all of a sudden it went into RTN faster than any coral I've ever seen.

Thanks for your help folks
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Old 03-20-2017, 03:11 AM
G.Alexander's Avatar
G.Alexander G.Alexander ¥Ø«eÂ÷½u
Join Date: Jan 2005
Posts: 32,574

Do you use the same RO water for your other tank also ?

Might any kind of the rocks or sand leach KH ?

Which kind of materials have you used exactly and do coralline algae already grow on the rocks ?

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