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  1. Ravenswing

    Went RO, lost tens of Cories

    Hi all! Just one death after my last post so it seems that problem is gone. Only thing that comes into my mind causing the whole mess was low pH combined with fertz. I do fertilize all five tanks but the interrelate thing between two tanks loosing fish was pretty high amount of fertz. I really...
  2. Ravenswing

    Went RO, lost tens of Cories

    Hi Darrel! Yes, thats nearly same TDS as I get from my RO-unit. pH drowned, thou slowly, from about 7,2 down to 6,2 (WC 50%rw-50%tap), pH of the rainwater is about 5,2-5,4. I avoided to use rw about 10-30min since rain started, but still there was sometimes black dust (smutch) from the roof...
  3. Ravenswing

    Went RO, lost tens of Cories

    Hi all! Sorry it took so long to thank you all, Iv been busy at work right now. Then...some thoughts and information, thou Im afraid well never know what (has) happend. I guess the only way to get out of this is patince and waiting. No new fish before this is surely over. I didnt assume that I...
  4. Ravenswing

    Went RO, lost tens of Cories

    Hi all! Sorry, long story...I turn to you with this (at least to me) mysterious case what began last September-October as we started collect rain water for our five aquariums. This was because we have a bit nasty tap water with pretty hight TDS (450-530uS/m) with lots of NaOH and NaCl, other...
  5. Ravenswing

    Help with my fish stock

    Good choice! Congrats! Lovely, active and interesting little fish! Mine goes around the tank alone too, but mainly sticked to the surface so I count it as "surface species". Pics? Yes please! Best wishes, Maria
  6. Ravenswing

    love rams ,hmmm hard water

    We have had Bolivians for nearly four years, same wild cought, some captive bred and both have had wigglers (till tetras find them...). Tap water EC 450-530uS (tank has been 850uS sometimes, nowadays with RO 300-350uS), GH 3-5, KH 2-4, so I personally cant call them sensitive. Originally we had...
  7. Ravenswing

    Shoaling fish in hard water

    We have had Black Neons in our nasty water (pls see my previous post) for a long time without any problems. We have lost our Cardinals twice because of Neon Tetra Disease, Pleistophora. However, BNs dont school when they feel themselves comfortable. They live in a 600-l tank (with Geos and...
  8. Ravenswing

    Shoaling fish in hard water

    We sadly lost our pygmies one by one within few months having EC 400-500uS from tap (GH 4-5, KH 3-4, pH 7,2-8), in tank with ferts etc around 600uS before WC. Nowadays rainwater and RO and all dwarf cories doing fine.... Dwarf rainbow (Melanotaenia praecox) is schooling nicely but...
  9. Ravenswing

    Boesemani with Lesion

    Hi Bertie, a nice bow you have! At this point I would just concentrate on keeping water ultraclean for few days and not to medicate. I cant see fungus (wich is a good sign) but is there? Our bows and congos get sometimes similar wounds when teasing each other but they never turn to problems...
  10. Ravenswing

    Discus info please

    Sorry to hear your problems. The one in the right corner looks pretty bad in colour and if the pic doesn`t lie, the one on its left side looks skinny to me. The tank might be overcrowded (->high in organic waste). I can see and think many things that can cause your discus peppering/being dark...
  11. Ravenswing

    Angels???

    +1
  12. Ravenswing

    Angels???

    Sometimes pairs/groups can live together in peace but usually problems starts if/when they start spawning and they tend to start it unbelieveble young! The truth is you never know, these have their own personalities but as far as I know, they are more or less agressive always when spawning and...
  13. Ravenswing

    Angels???

    We have had many angels in many tanks (300-450l) and every time with same result: one pair terrorizising all the other angels. We used to buy 4-8 youngsters, after couple of months they keep pairing and after that they just cant stand other angels. Some males try to kill each others, really. One...
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