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  1. Professor_fish

    Most intelligent fish?

    Sharks ;}
  2. Professor_fish

    Goldfish tumor

    sounds just like wht i was talking about, i will find you a paper on it
  3. Professor_fish

    Goldfish tumor

    Its a Pseudomonas cyst not a tumor! I will post something on Tuesday about it. tumors in fish dont react like that
  4. Professor_fish

    Inline heaters vs internal heaters

    I will make a note on doing a heater article
  5. Professor_fish

    Inline heaters vs internal heaters

    Use a few smaller internal heaters preferably in a sump, because everyone uses a sump filter on large tanks done they ;). never put internal heaters in a large tank! fish get burnt easy
  6. Professor_fish

    Inline heaters vs internal heaters

    Inline heaters tend to kill the pipe bacteria and they are the first ones to set up a colony
  7. Professor_fish

    Inline heaters vs internal heaters

    You want enough power to raise the tank by 2C max an hour, in rare cases you add more when needed, but general rule is aim for 2C an hour
  8. Professor_fish

    Inline heaters vs internal heaters

    Even on my 8 x 3 x 2 tanks I only use 5 100W heaters
  9. Professor_fish

    Inline heaters vs internal heaters

    I use both incase one fails, but the thermo filters are a mixed blessing, they can lower the bacterial count
  10. Professor_fish

    Is it Ethical?

    Same way you do with humans. You take the DNA and compare it, it's a very common technique
  11. Professor_fish

    He Jiankui

    Eventually it will be legal, pressure will gradually grow just like IVF treatment. The prob!em is we can read the human genome, so we have the ability to detect genes for things like breast cancer, so women with the breast cancer gene can already op for surgery to have the breast tissue removed...
  12. Professor_fish

    The Math Behind Water Changes

    It's actually really complex, I have asked a colleague to check my equations to make sure I haven't missed anything out. With plants in a system it gets over complex
  13. Professor_fish

    Is it Ethical?

    So far didn't seem to be problems, but the original parents were exceptional in every way with good genetics
  14. Professor_fish

    Is it Ethical?

    It's good to see marine keepers who care about the impact they have, in the UK 90% of all clown fish come from a company called off, I have consulted for them. What shocked the hell out of me was discovering all there clown fish for the past 15 years come from a SINGLE pair of clown fish! I...
  15. Professor_fish

    how much abuse can wild discus take!

    On a recent collection trip to a Amazonian tributary, we were lucky to catch some fabulous wild discus! We were granted a export and import licence as the river we were surveying will be gone in a few months ( logging!). Collection went fine and we quarantined on site for a month, the locals we...
  16. Professor_fish

    Help deciding on cichlids

    Dwarf south American cichlids are fine with plants, only use limestone or marble based rock with hard water cichlids. Bigger cichlids are strong, so use aquarium sealant in small dabs to anchor the rocks together
  17. Professor_fish

    Downtime

    Received thank you. I am on a tiny tablet so typing is hard!
  18. Professor_fish

    The Math Behind Water Changes

    This doesn't factor in plant uptake of nutrients, it's also didn't factor in dead spot denitrification. I will post the full equation soon
  19. Professor_fish

    Downtime

    Can you message me with the host you use? I am after a GPS for a special project
  20. Professor_fish

    Hi

    I really like that logo, i like the background. sorry we are having a company redo a shed load of logos for us at the mo, so i am kind of logo obsessed at the moment :oops:. i will go feed my fish or something:oops:
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