Does Filter Media Need To Be Kept Underwater At All Times, Or Just Wet?

Discussion in 'Freshwater Beginners' started by Susiefoo, Aug 1, 2017.

  1. Susiefoo

    SusiefooWell Known MemberMember

    Probably a silly question. Once my tank has finished cycling I am planning a big water change. I have an internal filter that sits quite high up in the tank as per the instructions. I will switch it off before draining the water but the water level will come down to below the bottom of the filter, before I refill. So there might be 10-15 minutes or so when the media (sponge) is out of water. But still damp and enclosed in the filter.

    Is this ok? Or will the cycle coming crashing down?

    Thanks in advance!
  2. Fashooga

    FashoogaFishlore VIPMember

    It should be fine.
  3. AllieSten

    AllieStenFishlore VIPMember

    It will be fine. It just needs to stay wet. It won't dry out in 15-20 minutes.
  4. OP

    SusiefooWell Known MemberMember

    Brilliant thank you so much :)

    I'll be back with more daft questions soon...!
  5. aquatickeeper

    aquatickeeperFishlore VIPMember

    You should be fine. Make sure it doesn't dry out, if it does, then you lost all the BB.

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