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Upgrade from 400g to 600 gallons

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  • Upgrade from 400g to 600 gallons

    1. Gross water volume of your complete system (incl. sump etc.) - US gallons / UK gallons / liter 660 US Gallons

    2. Net water volume (incl. sump etc.) - US gallons / UK gallons / liter 590 US Gallons

    3. Are you using a CaCO2 reactor or other technique, Using Calcium reactor

    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)Reef Octopus Elite 220 SSS space saver

    8. What are your actual PO4 and NO3 level PO4 0.08 NO3 0.25 to undectable a

    9. What are your actual Ca, Alk and Mg levels. Alk 6.8 cal 400 mg 1350

    10. What filtration method do you use (refugium, DSB, Miracle Mud, etc.) Filter Pads

    11. Type of light (Watt, color temp, how old, etc.) LED Ecotech Radion G4 Pro

    12. What corals do you keep. sps

    13. Tissue color (light or dark) light

    14. How long has the tank been running 2 years

    15. Why do you want to use the ZEOvit system to get better coloration and grow

    16. Any supplemental dosing (type, amount, why, etc.)

    Zeostart 2ml morning and 2ml at night
    zeoback 20 drops 3 times a week with Zeofood 20 drops
    flatworm stop 20ml daily
    coral plus 20 ml every two days
    Red Sea A and B coral nutrition 30ml every 3 days.

    17. Live rock (how much, how old, etc.) around 300 lbs dry rock

    18. Any present problems. Yes I was using 4 liters of zeovit before I upgrade to the 600 gallons and kept the same dosing and found many of the corals starving and RTN I recently added 2 more liters of media to see if the amount of media will help. But tank has been running super low nutrients with the 4 liters.

    19. Problem description (tissue loss tips, tissue loss base, diatom bloom, algae, etc.) base and coral rtn

    20. What test kit do you use (how old, recently switched, etc.)Salifert for the calcium and alk, and salifert for mag

    21. Present dosing, amounts and intervals (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.)
    zeostart daily morning 2ml and night 2 ml
    Zeobak 2ml 3 times a week
    zeofood 20 drops 3 times a week



    22. Other water parameters and water stability (salinity, temp, etc.)Salinity 35, Temp 77 to 78, PH 7.89 to 8.29

    23. Which salt brand do you use Red Sea blue bucket

    i run 380 gallons per hour for the first reactor with 4 liters of media
    i run 200 gallons per hour for the second reactor with 3 liters of media.

    i shake the media 3 times a day. Morning, mid day and at night.

    i was using 4 liters of media and many sps started to starve so needed to start adding nitrates to the system since it was 0.00

    i also do 2 gallons water change daily.

    what recommendation could you give me to stop 🛑 rtn and coral bleaching is the current media fine ? The dosage is good ?

  • #2
    Can you tell us something more about the upgrade process ? Have you cycled the new system completely before transferring the animals ?

    How long is the new system up and running now ?

    G.Alexander

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    • #3
      I upgrade the rocks of the old system to a bigger tank all water from the 400 gallon was used on the new tank and all rock was used. No new rock. After I upgraded it’s been running for 6 months but rocks was just transferred to one system to the other and they are 2 years old.

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      • #4
        Not sure if this is the reason for coral TN, can you post the actual potassium level? Potassium to 380 mg. Also remember, slowly increase

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        • #5
          Potasium is at 440

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          • #6
            The current nutritional level PO4 = 0.08. Not sure what the initial nutritional level is? Has it ever swung quickly? What brand of activated carbon is used?

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            • #7
              Zeo brand I was using 4 liters of media for a 600 gallons of water when corals started to rtn and loose color. Now I added 2 more liters and manually dose nitrates to bring nitrates to 1 ppm and things are getting better

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              • #8
                Also running less media than the recommended for the total water volume of system, would it have any negative effects?

                for example when I was using 4 liters of media with a flow of 400 gallons per hrs on a 600 gallon tank ?

                Would that have any negative reaction as far as when the rocks are agitated they don’t produce enough food for all the corals on the system? Or it’s fine

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                • #9
                  I think your system has a net water volume of ~ 530 US gallons, for this volume I would recommend to use 5 liters ZeoVit with a water flow of ~ 530 US gallons per hour through the reactor. Additional run 2 liters activated carbon passively flow in the sump. Make sure the carbon brand you use is not to “aggressive” removing elements from the water as this will cause other issues.

                  Your dosing regimen of the korallenzucht products is basically correct, if you do not treat flatworms (acropora) I would recommend to reduce FlatwormStop to 1 x weekly.

                  You mention that you dose 20 drops ZeoBac at #16 and 2 ml at # 21, 20 drops would be correct.

                  Can you please post a picture of your sump to give is a overview ?

                  G.Alexander

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                  • #10
                    Please find attached sump pic. Again like 3 days ago I added more media because I was running only 4 liters to see if that would fix the issue with corals starving ? Maybe more zeo rock will provide more food for corals

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                    • #11
                      Not so, the mud of zeolite material is indeed an excellent food source for corals. However, please keep in mind that it is too aggressive, for example: the material is stirred frequently and the flow rate is too strong, which will cause huge changes in water chemistry in an instant, resulting in coral incompatibility, which may lead to coral RTN.

                      The mud released by the zeolite material is absorbed by the coral, the water chemistry changes and this mud, after the coral is absorbed (coral food), the zooxanthellae are spit out, and the brown tissue is removed. However, it is too radical and the coral is adjusting And unable to adapt to adaptation, leading to rapid death.

                      The mud released by the zeolite material is absorbed by the coral, the water chemistry changes and this mud, after the coral is absorbed (coral food), the zooxanthellae are spit out, and the brown tissue is removed. However, it is too radical and the coral is adjusting And unable to adapt to adaptation, leading to rapid death.

                      Not sure if Coral TN continues to happen, you should maintain the correct flow rate of the reactor per hour. Usually, pull the lever twice a day, 20 times. Let us temporarily stop pulling the zeolite, Zeo AA 20 drops for 3 days.

                      If the coral TN phenomenon continues to occur and expands at this time, reduce the reactor to 1/2 flow.

                      Zeo CV 40 drops per day (for providing coral food and health, also providing balanced nutrition, should not rise too much) Zeo AA 20 drops for 3 days (amino acid as coral food and coral energy)

                      Please also pay special attention to keeping the NSW parameters balanced and stable. At this time, potassium = 440 mg, which is a little high.

                      Kh 6.5~7.5
                      Ca 400~420
                      Mg 1250~1300
                      K+~380

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                      • #12
                        More material does in the first step process more nutrients so of corals are stressed already that might cause additional issues. Can you please cross check salinity with a different, accurate instrument to rule out it is to high ?

                        Do all kind of corals show TN, do they also show growth and polyp expansion ? Does the TN start at the base or on the tips ?

                        Reducing the reactor flow temporary as Jacky said can also be helpful but keep a close eye on the PO4 level which should not increase.

                        G.Alexander

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                        • #13
                          No matter what, from 400 gallons to 600 gallons, the tank is basically not 100% biologically grown (although the dry rocks of the old system are used, but this is not bad), keep Zeo basic product plan. I like G.'s more delicate and professional ideas, for example: the signs of coral TN are shown in the appearance of coral. The additional idea is: PO4 = 0.08, and the coral appearance is light, which seems unreasonable. Maybe zeolite flow, maybe salinity problems, maybe activated carbon. To keep the basic water parameters as stable as possible, the ZeoVit system needs some time to work.

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                          • #14
                            The rocks were not dry it’s the same system they remained on the system I just added more water volume to the system with another tank plumb in which was 200 gallons more. Aso the corals started to starve slowly and nitrates were undetectable and many corals started to get lighter until bleach out I stopped the problem of the rest to bleach out when I added nitrates manually and raise it up to 1ppm and then corals started too look darker brown and some of them are getting some color back. I checked salinity with my friend refractometer and its at 35 as well. At the moment I’m feeding heavy and dosing Red Sea A and B aminos to prevent corals to starve

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                            • #15
                              It seems that the difference is that new water is added. I mean, no matter what, biology is definitely not fully developed. It takes some time to transfer the coral to a new storage tank and the bacterial cycle. PO4 = 0.08 I do n’t think corals are hungry. As you stated that corals look bleached, it ’s hard to say. I interpret it as a swing. The swing may be: water difference / bacterial maturity / temperature / salinity / elements.

                              No matter what, keep everything as stable as possible and let it stabilize

                              Keep Zeo basic product plan added
                              Check the temperature is correct
                              Is the zeolite flow correct
                              Check whether the salinity and elements including potassium are correct
                              What brand does activated carbon use and how?

                              Potassium nitrate, which I have no experience with, because you provide extra nutrients (potassium nitrate), of course, some corals look healthy and some corals look darkened. It is difficult for me to describe (describe), I would suggest that no more nutrition should be added at this moment, it seems that there has been a slight overdose.

                              To keep everything stable (the factors listed above), PO4 = 0.08 Coral will not go hungry, it must be some external force to cause additional pressure on the coral, and reflect the coral looks light.

                              Check the salinity, element, and potassium levels again. Too aggressive zeolite flow rate, with activated carbon. This may be the reason.

                              In addition, you mentioned coral TN. As G. Alexander said, where does the TN mark reflect in the coral? Tip or bottom or whole?

                              In addition, Red Sea's AB products are also recommended to be temporarily suspended. Reasons: 1, PO4 = 0.08

                              2, let the coral adapt to the environment first, stabilize

                              3, reduce nutrition is good

                              4, it is more important before the biology is perfect

                              5, coral TN (there is a stressor) naturally does not affect food and elements Consume too much

                              6. It is good to reduce nutrition, which may extend the time


                              In addition, using a refractometer to check the salinity at 35 degrees, maybe 35 degrees is just a typo?

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