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Newbie questions

Discussion in 'Beginners Corner' started by ButtNekkid, Sep 23, 2016.

  1. dw1305

    dw1305 Well-Known Member 5 Year Member

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    Hi all,
    We get gulls (and the occasional Heron) on our roof, but I agree with @gerald, theoretically it is possible, but so is being killed by a falling tree or winning the lottery (and the latter of these is actually much more likely than the former).
    Seems a sensible option.

    cheers Darrel
  2. ButtNekkid

    ButtNekkid Active Member

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    Hi,

    I finally got my mattenfilter ("eck" -model) up and running for my main tank. Had to order from Germany, no such thing in Finland!
    I could not use Mike W´s patented InstantInoculation™ technique because I did not have big enough bucket.

    How long would you keep the old filter running along the mattenfilter?
    Mattenfilter is powered by air.
    Filter is at the moment 45 ppi but I have ordered a 20 ppi version.

    I could squeeze my other sponge filters in front of the filter if that helps?

    Tank is a 60 gallon:

    5 Otocinclus
    11 Black Neon´s
    9 Cardinal tetras
    1+3 Cacatuoides harem
  3. gerald

    gerald Well-Known Member 5 Year Member

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    I'd leave the old one running for a month to help fully colonize the new one. Actually I'd probably leave it running forever, if space is not a problem, so you'll always have a spare filter ready in case you need an emergency quarantine tank/bucket.
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  4. ButtNekkid

    ButtNekkid Active Member

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  5. Mike Wise

    Mike Wise Moderator Staff Member 5 Year Member

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    Squeezing the sponge near the matten should speed up inoculation considerably. Even stirring the gravel will help.
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  6. ButtNekkid

    ButtNekkid Active Member

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    Hi,

    A few questions:

    Does peat filtered water cause any problems to mattenfilters? I always make waterchanges with peatwater that has peat particles floating. Would this habit speed up clogging of the filter?
    How would you position the jetlifter? So that it points to the opposite corner at the far end of the tank?
    What kind of power should I get from my air pump for a 60 gallon tank? I now have one that is apparently 300 Litres/hour.
  7. gerald

    gerald Well-Known Member 5 Year Member

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    1. No, small amounts of floating peat particles won't significantly clog the mattenfilter.
    2. Wherever you want to point it; it may depend on your plants and wood layout where you want the flow to go.
    3. Mattenfilters work just fine even with very low flow. The air needed depends on the diameter of the lift tube and the height of the outlet above the water surface. Size of tank doesn't really matter, assuming this is for Apistos and other small fish.
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  8. ButtNekkid

    ButtNekkid Active Member

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    Hi,

    I got my new 20 PPI matt in the mail today. Should i replace my 45 PPI with it?
    I figured the 45 will have more surface for the bacteria to grow but it might clog up faster.
    And since mattenfilters work better the longer they run should I make the switch or try my luck with the 45 PPI?

    If I do, here´s my plan:

    Take out the old mat. Squeeze the contents into a bucket. Cut the new mat using the old one as a measure.
    New matt in and cut the hole for the air lift.
    Then squeeze a couple of old sponge filters also into the bucket and pour that mix in front of the new matt.
    Or... I could pipette the bucket contents also if that would secure more bacteria into the new matt?

    I have one of these also and I going to use it as well:
    https://www.jbl.de/en/products/detail/2321/jbl-filterstart
  9. dw1305

    dw1305 Well-Known Member 5 Year Member

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    Hi all,
    Can you fit them both in the mattenfilter scaffold? If you can I'd do that for a couple of days, and then take the 45 PPI sponge out.

    Because mattenfilters have a large surface area exposed to the oxygenated water (and air at the top), you don't have to worry about effective surface area, they always have enough.
    Just wash out the 45 PPI sponge in the bucket, then swirl the new 20 PPI sponge plate in the bucket.

    The filter start won't do any harm, but I'm dubious that they do any good, mainly because RNA evidence suggests that the key ammonia oxidising organisms are different under high and low ammonia loading.

    cheers Darrel
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  10. ButtNekkid

    ButtNekkid Active Member

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    Unfortunately no. The scaffolding is too tight and both mats being 5 cm thick, it´s impossible.

    That´s mighty interesting Darrel, any links or scientific papers?
  11. dw1305

    dw1305 Well-Known Member 5 Year Member

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    Hi all,
    I thought that might be the answer. I'd try the "swirl in the bucket" method.
    I do, I think these should be available to every-one:
    1. "Aquarium Nitrification Revisited: Thaumarchaeota Are the Dominant Ammonia Oxidizers in Freshwater Aquarium Biofilters"<http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0023281#pone-0023281-g004>.
    2. "Temporal and Spatial Stability of Ammonia-Oxidizing Archaea and Bacteria in Aquarium Biofilters" <"http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0113515">.
    3. "Freshwater Recirculating Aquaculture System Operations Drive Biofilter Bacterial Community Shifts around a Stable Nitrifying Consortium of Ammonia-Oxidizing Archaea and Comammox Nitrospira" <"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5276851/">.
    cheers Darrel
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  12. ButtNekkid

    ButtNekkid Active Member

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    Hi,

    Is Apistogramma abacaxis available in europe?
  13. ButtNekkid

    ButtNekkid Active Member

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    Let me answer to myself!
    Finally found them! Got 1 male and (hopefully) 2 females.

    Would you describe it as a shy apisto?

    Attached Files:

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