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  1. MacZ

    Maintaining Tannin Tint

    A. glutinosa. They come from where I live. :D For a tank your size: Use 5-10.
  2. MacZ

    Need help figuring out what killed my female apistogramma cacatuoide

    I guess the fish was either yet stressed more in the tank than expected or came with a weakened system. The leaves and cones have antibacterial properties and help bringing the water to optimal condition. Soil is one of the worst substrates for Apistos, sand would be a good alternative. 10...
  3. MacZ

    Pencil Fish ID

    Just followed an acquaintance setting up a species tank for Tucanos. She bought wild caught specimens, that were so small at the time of purchase I can imagine Apistogramma finding them the right size to be edible. So if chosing Tucanos I would only buy after personal assessment of the fish...
  4. MacZ

    Need help figuring out what killed my female apistogramma cacatuoide

    Sorry for your loss. Sadly, in most cases except the few coincidences where the fish had an obvious sickness or injury it is almost impossible to determine the cause of death of a fish. If the eyes are enlarged (I can't tell by the pictures, sorry.) this could be a symptom called popeye, which...
  5. MacZ

    Treating a white spot on an apistogramma tail

    Good luck! :)
  6. MacZ

    Treating a white spot on an apistogramma tail

    You're welcome! :) I was actually going to advise to not change it and take the DI-Stage out of the RO-unit. Unless your tap water is super hard removing all leftover minerals and adding them back in with equilibrium is much more expensive than cutting with a bit of tap long term. I have soft...
  7. MacZ

    Treating a white spot on an apistogramma tail

    I would do bigger waterchanges. In cases like this one I usually do 50% every 48h for a week (with 1x 50% each week anyway). Small waterchanges have the downside they don't really lower the pathogen density and wasteproduct dilution is also rather minor. You want your nitrates maxing out at...
  8. MacZ

    Treating a white spot on an apistogramma tail

    Looks like bacteria on an injury. Leave it, just do more and bigger waterchanges and add IALs and alder cones, should go away by itself then. What are your water parameters? Catching and treating with H2O2 is far too much stress and thus will likely do the opposite of what it's supposed to do.
  9. MacZ

    Maintaining Tannin Tint

    Depending on where you live rainwater is also not good. Living in a city I can definitely forget about rainwater and have no choice but an RO unit. Those are really not as expensive or compliated as people think.
  10. MacZ

    Maintaining Tannin Tint

    You're welcome. ;) Sorry I have not always the best of news.
  11. MacZ

    Maintaining Tannin Tint

    I can dry them again and use them one more time. :) Yes, I'm a miser. When I put them in the tank either direct or in a filterbag they will start to rot within a day and are lost for re-use. RO from a dehumidifier may contain whatever is in your air with it. Deodorant, room spray, cleaning...
  12. MacZ

    Sexing Nijsseni

    In an environment below 6.8 pH Ammonia is present in the non-toxic (well, not acutely at least) form of Ammonium. That's very much the reason blackwater works in the first place. I guess my - very stained and crammed with botanicals - tank would not work at all had I got a pH over 7. That's...
  13. MacZ

    Sexing Nijsseni

    I guess you have low pH, so ammonia was likely not the problem, but too much botanical material at once can deplete the oxygen quite quickly. That's why water pretreated with leaves should be aerated well. I had similar problems of the male being beaten into a corner by the brooding female...
  14. MacZ

    Maintaining Tannin Tint

    I wouldn't add too many leaves anyway. I think I advised you to only add a handful with some weeks inbetween to maintain the leaf litter bed. Too many at once use up a lot of oxygen. I don't add the cones themselves anymore. I take a container with RO water a day before a waterchange, add a...
  15. MacZ

    Pencil Fish ID

    Agree. Very likely.
  16. MacZ

    South American Biotope Attempt

    Depends on the exact biotope and how much you want to stick to the continent. So this list is for a South American only concept Clearwater: Echinodorus, Vallisneria, Egeria, Staurogyne, Helanthium Blackwater: some species of Echinodorus, some mosses. both: Hydrocotyle, Limnobium, Salvinia...
  17. MacZ

    ID Please

    Looks very much Java fern.
  18. MacZ

    Do hongsloi require special water condition for the eggs to hatch ?

    Not immediately, but as the new water has also almost no carbonates the concentration of H+ ions is still high enough to keep the pH on the level it was before. But as you can imagine there will be more H+ diffusing from the peat each time, meaning long term it still gets depleted. If done...
  19. MacZ

    Do hongsloi require special water condition for the eggs to hatch ?

    With peat you don't just hope, you KNOW it will stay stable. Because the peat is what stabilizes and prevents swings. Still it will have to be replaced from time to time. There is a misconception about the pH swinging when waterchanging a low pH tank. Using a stabilising element like peat or...
  20. MacZ

    Do hongsloi require special water condition for the eggs to hatch ?

    For leaf litter and botanicals to lower pH by more than maybe 0.5 the KH better be between 0-2°KH. I use almost 100% RO (GH < 3°, KH 0°)and a LOT of oak leaves and alder cones to keep a stable 6.0-6.2 pH maintained.
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