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Results 1 to 6 of 6
  1. #1

    Default Miracle grow organic potting mix?

    0 Not allowed!
    How well does it work? Do you ever need to replace it? Do you need to cap it with sand or gravel? Would I need to does any other ferts?

  2. #2


    0 Not allowed!
    Like any soil mix, for most setups it's best capped otherwise you've got water values all over the place and a serious risk of rampant algae. Eventually after some time, usually a year or two, it will need replacing. Dosing other ferts could be necessary but you can't decide it until you've seen the plants growing or not and you see defficiencies.

  3. #3


    0 Not allowed!
    Are there any that don't need to be replaced?

  4. #4


    0 Not allowed!
    No soil mix will last forever. Some of those new baked clay substrates like that manado stuff should last a very long time. If a soil becomes depleted you can always push in some root tabs and increase the liquid fertilizer.

  5. #5


    0 Not allowed!

    Yes, after a time it will act only as any other inert substrate and will require additional supplementation.
    "Somewhere, something incredible is waiting to be known." Carl Sagan

    ~ 350 Litre Tank Journal ~ ~ 30 Litre Tank Journal ~

  6. #6


    0 Not allowed!
    Not capping it will result in a muddy tank. You will never have to replace it. But the nutrients in it will eventually be depleted. By the time this happens, you will surely have enough nutrients from the fish waste that will build up in the tank to sustain plants. Root tabs, and dry ferts can also, and actually may needed to be used depending on your lighting, CO2, and plants that you keep.

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