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  1. I

    Clay like substrate

    Hi Darrel Really useful references (again) which i have gone through - its taken me this long to track this thread back on the forums so sorry for late reply!! My spark of interest in this subject originates from being a science student, fish hobbyist and Jaques Cousteau fan back in the 70,s...
  2. I

    Clay like substrate

    I'd probably start with Bartelme, R. et al. (2017) <"Freshwater Recirculating Aquaculture System Operations Drive Biofilter Bacterial Community Shifts around a Stable Nitrifying Consortium of Ammonia-Oxidizing Archaea and Comammox Nitrospira"> Darrel Thanks for the recomendation and like all...
  3. I

    Agassizi Alenquer "red tail"

    I Have seen the above at my LFS and was unclear which colour form these are. I am recently returned to the hobby so playing catch up so let me say thank you for the quality of information and opinion on this forum. I was not expecting "Alenquer" to be red tail, believing them to be a blue/...
  4. I

    Carbon filters and blackwater.

  5. I

    Apisto-Temperature/Gender + Climate Change

    Thanks MickeM Interesting topic - i see you posted this in May so i should mention that im a new member to the forum. I understood that differing maturation rates for males and females could evolve as a mechanism to reduce in-breeding and temperature/gender variations supports this model while...
  6. I

    Hole in the head.....

    I like that principle.I think there is a lot to be said for "Masterly Inaction" if i think back to when i worked in the industry and imported regularly our success rate when we isolated fish that looked off for was very low Regards Ian
  7. I

    Carbon filters and blackwater.

    Hi Darryl Thanks for the reply, Your point about chelating properties is taken. I will check Regani's post again - thats a really good suggestion as the local tap water is around 300mm/L Cheers ian
  8. I

    Carbon filters and blackwater.

    Hi All Earlier this week I read a thread from someone who had set up a blackwater biotope but had discontinued the project as they didnt like the look of "black tea" as a front room aesthetic; I've tried to re-find the thread again for reference but without success. Im interested to know of...
  9. I

    Hole in the head.....

    Without lab diagnostic equipment, you can't even tell what the cause is. Hole-in-head is a symptom with many possible causes: diet deficiency, water quality, protozoa (Hexamita and others), bacteria (Mycobacterium and other), viruses, etc. Gerald Given thats its a sympton of multiple origin...
  10. I

    Hole in the head.....

    Neil - what have you treated this with?
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