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GHA & RTN

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  • GHA & RTN

    Hi , having some issues with GHA and RTN of any acro i add to tank, i had these issues before starting zeovit. After the first month of zeovit i sent away an icp and my po4 was 0.028 and nitrate was 15, now two months later my po4 is 0.08 and nitrate is 10.


    1. Gross water volume of your complete system (incl. sump etc.) - US gallons / UK gallons / liter
    Aquanano minireef 120L

    2. Net water volume (incl. sump etc.) - US gallons / UK gallons / liter
    around 100L

    3. Are you using a CaCO2 reactor or other technique
    No

    4. Are you using a PO4 reactor (how long, how long ago, etc.)
    Not anymore , i gradually stopped using over 6 weeks wen starting zeovit

    5. Are you using Ozone
    No

    6. Are you using UV
    No

    7. What skimmer are you using (type, rated water volume)
    new skimmer Tunze 9410 for last 4 weeks , deltec 600ix before that

    8. What are your actual PO4 and NO3 levels
    po4 : 0.080 hanna
    no3 : 10 salifert

    9. What are your actual Ca, Alk and Mg levels
    KH : 6.5
    Ca : 440
    Mg : 1311

    10. What filtration method do you use (refugium, DSB, Miracle Mud, etc.)
    zeovit filter , 0.3L - 120L per hour flow

    11. Type of light (Watt, color temp, how old, etc.)
    Hydra 26 LED, I have 6 x 24w T5 to replace the Hydra

    12. What corals do you keep
    mixed reef - lps, zoa and montipora , any acro i add it will get RTN within 1-2 weeks, goni not fully polyp extension

    13. Tissue color (light or dark)
    medium

    14. How long has the tank been running
    3 years on triton other methods but Zeovit 3 months

    15. Why do you want to use the ZEOvit system
    want a nutrient stable tank

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

    17. Live rock (how much, how old, etc.)
    about 20kg 3 years old

    18. Any present problems
    RTN on acros , poor polyp extension on goniporas

    19. Problem description (tissue loss tips, tissue loss base, diatom bloom, algae, etc.)
    RTN on acros , green hair algae

    20. What test kit do you use (how old, recently switched, etc.)
    Hana Po4, Hanna calcium, Hana alkanity & alkatronic

    21. Present dosing, amounts and intervals (ZEOvit, ZEObak, ZEOfood, ZEOstart, ZEOspur2, etc.)
    Zeovit 0.3L , 120L per hour
    Zeobak 1 drops 3xweek
    coral vitalizer 1 drop 3xweek
    zeostart 3 0,25ml daily
    Coral snow 1.5ml 2xweek
    0.1L carbon
    sponge power 1 drop 3xweek
    biomate 1 drop 2xweek

    22. Other water parameters and water stability (salinity, temp, etc.)
    1.026
    25.5C

    23. Which salt brand do you use
    Reefers biosalt

  • #2
    Welcome to ZeoVit.com!

    Neither your dosing regimen nor your basic water parameters are the reason for the issues. Can you please post a full tank shot and a picture of your sump ? Otherwise from the information you have posted I can not see anything which is responsible for the TN.

    You have mention that you use the Balling method, do you additional use the trace elements of it also ?

    G.Alexander

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