How Many?

Discussion in 'Discus' started by PeterWest, May 23, 2010.

  1. PeterWest
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    PeterWest Algae harvester

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    How many Discus can one keep in a 1.2m (243liter) tank?
     
  2. carl p
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    carl p Noob

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    I think only 5 because u need 50L of water per fish, but aparently if the population is to low, youre going to have feeding problems, they need to compete for food, so for discus this is a good thing if the population is high
     
  3. Toshi(Walter)
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    Toshi(Walter) Green fingers

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    I'm no expert on discus, but the rule is that you need 40 - 50 liter per discus, but thats for small ones. when looking at bigger discus you need about 100L per adult. Also remember that the other fish must also come into the equation aswell as how many plants and pieces of wood you have in your tank. try reading on the sites they have dedicated to discus. hope this helps.
     
  4. tyronegenade
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    tyronegenade Specialist

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    How much and how often are you prepared to change water? Is there an ammonium/nitrate sink in your tank (i.e. a really fast growing unfussy plant)?

    If you can do 50% water changes per day there is no reason why you can't have 10 young fish in a 1.2 m tank until they are about 10-12 cm in diameter where after you would need to thin them out. 6 adult size discus can fit comfortably in a 1.2 m tank. A friend of mine's fish are spawning in such a tank so they are happy.

    The two critical things to keep in mind are excellent water quality (i.e. lots of big water changes if you don't have a big volume already) and excellent food with LOTS of Vit C. It is important to stress that lots of excellent food by itself will cause lots of horrible nitrate which will be converted to lots of deadly nitrite by the bacteria in the gut of the fish so unless you keep the water quality high all a good quality food will do is poison the fish. You don't need the "best" food (a very poorly defined term to begin with), only an excellent quality one with lots of Vit C (to ensure good growth and a proper functioning immune system).

    tt4n
     
  5. PeterWest
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    PeterWest Algae harvester

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    During June/July in will be making a 100ltr+ Sump with some Duckweed, Bio balls, and some filter wool which hope fully should help keep water quality good. In the tank, I have some fairly fast growing unfussy plants ( also looking for moss which I hear is good for absorbing ammonium and nitrites, to attach to my wood)

    I have a fair amount of plants in my tank and 5 apple snails ( apple snails layed a clutch of eggs so maybe more)
    Is there any suggestions you can make to improve the water quality further.
    TIA
    Peter
     
  6. shihr
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    shihr Administrator Staff Member

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    wow.. thats already alota cleansing.. if u really want to go crazy.. maybe use a uv filter.. but that just kills bacteria and green water though.. but othertwise.. what u hav setup is more than enough:)
     

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