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  1. #1

    Join Date
    Jul 2012

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    Default substrate with "hills"

    0 Not allowed!
    I just got a new 135 gallon tank, dimensions are 48" x 24" x 27" high. I've
    been doing a lot of research and will do the fishless cycling after putting
    down the substrate. Since I have a lot of bottom area to work with, I'd
    like to create a couple of mounds or hills - one in the back left, and one
    somewhere left of center.
    I was thinking of putting flourite down as a base of the mounds, maybe 2"
    thick or so, but only where I want plants to be. Everywhere else, there would
    only be gravel (med. course), about an inch thick, and then an additional
    inch of gravel or so over the flourite. This way I can limit the vegetation to
    only be on or around the hills, and not get an overgrown jungle effect
    everywhere in the tank.
    I would also like to use some rocks to form edges to these hills in places.

    My questions then, are, will this work, and would there be any danger of
    creating dead spots where harmful anerobic (sp?) bacteria could grow?
    And also could I still sufficiently siphon clean the gravel without clouding
    up the water or disturbing plant roots?

  2. #2

    Join Date
    Jan 2010
    Saskatchewan, Canada

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    0 Not allowed!
    I would think you could make hills by using rocks to hold the substrate in place making a higher level. I've never tried it but it sounds like it would work

    You can still siphone the substrate around your plants. You just have to be careful not to go very deep or you would stress the roots and plants. It take a little practice but it can be done. I clean my gravel up to about 1 to 2 inches away from the plant
    If you take your time to do the research FIRST, you can successfully set-up and keep ANY type of aquarium with ease.
    "Not using a quarantine tank is like playing Russian roulette. Nobody wins the game, some people just get to play longer than others." - Anthony Calfo
    Fishless Cycle Cycling with Fish Marine Aquarium Info [URL=""]

  3. #3

    Join Date
    Jul 2009
    Trinidad and/or Tobago

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    0 Not allowed!
    You can use strips of thin plastic of varying heights to prevent the substrate from slipping and flattening. They are inserted vertically into the substrate. The plants will soon grow over and hide them from view. To prevent anaerobic pockets from forming, a plastic skewer inserted into the deeper areas every week or so will do.

    I have added a crudely drawn picture to illustrate.
    Attached Images Attached Images
    Last edited by Aeonflame; 07-07-2012 at 11:59 PM.
    <-- Click for journals
    "There is no right way to do the wrong thing." - KingFisher "Only bad things happen fast in this hobby" - Cliff Boo train boo train boo train boo train woohoo

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