New build parameters

Discussion in 'Water Chemistry' started by john arnold, 1 Jul 2019.

  1. john arnold

    john arnold Member

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    hello

    Just finished new iwugami type setup and on 4 th day i got ph of 6.5 gh 7 and kh 21! Is this what maybe making the monte carlo to melt and marsilea to brown a little also the rotala hra is melting, bit worried i got about £80 plants dying im using pressurised c02 on a 6 hr light cycle for the first week
     
  2. alto

    alto Member

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    Unfortunately little detail so can’t say much except

    90% Water change, continue daily as melt is occurring
    Check tank vs tap parameters

    I’d switch over to 24/7 CO2 (always available)
    Raise filter return at night for increased oxygenation But if tank receives any ambient light, I’d run an air pump instead from midnight to 5am

    If filter is cycled, I’d add some shrimp to clean up melt as it occurs (much more effective that human hands), but then also adjust CO2 appropriately

    TIssue culture or submerse plants?
    Any possibility of plants heating during shipping?
    Light vs CO2 vs Nutrients?
    Tank temp? (20 is better than 24)
     
  3. john arnold

    john arnold Member

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    Hi
    Ei dosing 25 degrees, mostly tissue cultures,
    Pressurised c02, twinstar 600 on about 70%, filter is cycled i got rocks from scotland while on hols and at moment have one rock in a bowl to test water on that alone, did vinegar test on rocks first and no fizzing
     
  4. alto

    alto Member

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    ADA soil or ?

    Some have (apparently) experienced substantial melt with TC plants and ADA

    Most TC don’t need high nutrient levels, so maybe decrease your EI dose - what are your macros & micros?

    CO2 level? Is it 15-25ppm during ambient light hours? 30-40ppm during photoperiod?

    Twinstar S or E?

    I’d drop temp to 20C

    Vinegar isn’t the most conclusive acid to test with, stronger acids are better - especially if rock has “surface” layer from outdoor environs
     
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  5. Jayefc1

    Jayefc1 Member

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    I'd also drop the light intensity 70% first week seems high to me 50% would be better as the plants transition and agreed with alto drop the temp do as much water change as possible 100% if you can what's the flow in the tank like is the mc getting the co2 are you adding liquid carbon as TC dont tend to like it till there established
    Cheers
    Jay
     
  6. john arnold

    john arnold Member

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    Ok cheers yeah flow is good with oase 350 bubbles everywhere I will drop the lights a little too tonight but isn’t KH of 21 really high
     
  7. john arnold

    john arnold Member

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    No liquid carbon
     
  8. Jayefc1

    Jayefc1 Member

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    Is the ph a stable 6.5 or is it fluctuating have you been doing the daily water changes on a new setup
     
  9. Jayefc1

    Jayefc1 Member

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  10. john arnold

    john arnold Member

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    Ph fluctuation not sure as not tested till yesterday, doing big water change tonight and will test before and after
     
  11. Jayefc1

    Jayefc1 Member

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    Those water changes need to be religious for the first week at least every day as much as possible
     
  12. john arnold

    john arnold Member

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    Ph before water change 6 gh 8 kh 3 my readings from yesterday were bit wacky must have been me, ph 7 after 90% water change, will check tomorrow when water has settled and filtered more
     
  13. Jayefc1

    Jayefc1 Member

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    What substrate are you using what's the ph straight from the tap and you need to do another water change today sorry
     
  14. john arnold

    john arnold Member

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    Tropica powder complete over top of some old Tropica .. yeah I’m on it for water changes. Oh from tap is I remember ph is about 7.2 appx
     
  15. Jayefc1

    Jayefc1 Member

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    How are you measuring the co2 tropica soil is a good choice are you using a ph pen to measure ph
    Cheers
    Jay
     
  16. john arnold

    john arnold Member

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    C02 with drop checker and ph with API test kit
     
  17. Jayefc1

    Jayefc1 Member

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    Ok so are you achieving the ph drop of one to give you the 30ppm or co2 drop checker should be a nice yellow as you dont have live stock do you?
     
  18. john arnold

    john arnold Member

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    Yep yellow and no livestock hope the plants recover didn’t happen last few time I planted a tank so cannot think why this time .. puzzling.. I have 7 tanks in all from 4ft to nanos and shrimp tank been doing this for year and a half now and really into the aqua scaping side of it
     
  19. Jayefc1

    Jayefc1 Member

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    Its just one of those things mate every tank is different I've just ripped an iwagumi down cause I did a dry start and it all went wrong so Sunday tipped it out saves a few plants placed a plant order at AG and started again tonight 15621848457389199600501464807794.jpg
     
  20. john arnold

    john arnold Member

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    Nice scape what a bummer well I’ve seen some new growth between the mulch so hopefully it will pick up
     

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