Is mulm useful after a couple of days dry?

Discussion in 'General Planted Tank Discussions' started by Tony Swinney, 4 May 2009.

  1. Tony Swinney

    Tony Swinney Member

    Messages:
    1,192
    Location:
    Cobham, Surrey
    Hi all

    My new tank has arrived, so I'm going to start scaping it in the next few days.

    If I add mulm from my other tanks filters below the substrate, but then dont add water to the tank for a few days, will the goodness in the mulm be useless ? I'll be playing around with hardscape for a few days before filling the tank.

    Ta

    Tony
     
  2. rawr

    rawr Member

    Messages:
    604
    Location:
    Enfield
    I guess so, because the useful bacteria would need water to survive. I'm not sure though.
     
  3. GreenNeedle

    GreenNeedle Member

    Messages:
    2,706
    Location:
    Lincoln UK
    Is it not the 'cr*p' that you are after to start a colony? If so then dry or fresh it still has the 'cr*p' in it to start that colony?

    I do tend to just empty the whole filter content (after squeezing sponges etc) including water into the bottom of mine before adding the substrate on top so I have never done it 'dry'

    AC
     
  4. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Messages:
    8,953
    Location:
    Chicago, USA
    What SuperColey1 is true. the purpose of the mulm is not necessarily to seed the substrate with live bacteria colonies because that will happen anyway. The mulm consists of carbohydrates and other nutrients that feed the bacterial colony so that they will increase in population more rapidly and more robustly.

    Cheers,
     
  5. Tony Swinney

    Tony Swinney Member

    Messages:
    1,192
    Location:
    Cobham, Surrey
    Great - thanks guys. Off to find some mulm now :lol:

    Tony
     
  6. JamesC

    JamesC Member

    Messages:
    1,276
    Location:
    Bexley, Kent
    The only reason I add mulm is because of the large population of bacteria which kick starts the substrate into action. If the bacteria are all dead I see no great benefit of adding it. Adding small amounts of peat moss would IMHO be more beneficial.

    James
     

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