no algae in a non planted tank

Discussion in 'Algae' started by leedsrhinojohn, 8 Jun 2019.

  1. leedsrhinojohn

    leedsrhinojohn Member

    Messages:
    133
    Location:
    scunthorpe
    I am in the process of setting up a new discus tank but its going to be non planted with just a few bits of bogwood and a few bits of 'litter', my question is how do I keep algae at bay with no plants in tank and I would like to have lights on for at least 8 hrs.
    If it has to be chemical then what would you recommend?
    Thanks
     
  2. Edvet

    Edvet Forum Moderator Staff Member

    Messages:
    4,784
    Location:
    Lelystad, Netherlands
    Low lightlevels will help, but having floating plants will help too, these use up nitrogen which will be one of your most produced metabolites. In a plantless tank you ill need excellent filtration in order to cope with ammonia-nitrite-nitrate, plants ( and floaters in special) will help.
    I originally made my 400 gallon for a plantless discus tank and i incorporated a 75 gallon sump and two large trickle towers in order to keep the water healthy.
     
    Oldguy and dw1305 like this.
  3. leedsrhinojohn

    leedsrhinojohn Member

    Messages:
    133
    Location:
    scunthorpe
    Thanks Ed
    I like the idea of floating plants as it would also lower the light for the discus.
    Any recommendations for low maintenance floating plants, it will be a 6x2x2 tank.
     
  4. Kezzab

    Kezzab Member

    Messages:
    708
    Location:
    Carlisle
    Most common floaters are low maintenance. You just fish some out when theres too much.

    Salvinia Natans, amazon frogbit, even duckweed.

    K
     
    dw1305 likes this.
  5. Matt @ ScapeEasy

    Matt @ ScapeEasy Member

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    688
    Location:
    Lancaster
  6. leedsrhinojohn

    leedsrhinojohn Member

    Messages:
    133
    Location:
    scunthorpe
    Thanks guys
     
  7. sciencefiction

    sciencefiction Member

    Messages:
    3,330
    Consider having either floating plants or emersed plants and low intensity light level in the tank itself, which will be plenty to see the discus beautiful colors. A tank with no plants at all is a very unstable experience for the fish that rely on your motivation and live style only to be healthy.
     
  8. Hendre

    Hendre Member

    Messages:
    98
    Location:
    South Africa
    A friend simply uses a small LED strip which illuminates the tank but isn't strong enough to actually grow algae. :)
     
  9. zozo

    zozo Member

    Messages:
    6,469
    Location:
    Netherlands
    Give it a large planted sump filter...

    This is a small example.. It aint difficult..
    DSC_0890.jpg

    or go a la Aquaponics..

    Example diagram, but with some fantasy it can de made not only very decorative with a beautifull jungle of house plants. But also very cost effective.

    [​IMG]
    It will keep you happy and especialy the darn expensive discus fish happy and healthy..

    To keep Water and Fish healthy, plants (marginal and or aqautic) are inseperable from the biotoop.

    No pun intended, but the people who call and plantless setup a biotoop aqaurium, have forgotten to look above the water line and up stream at the plants growing there. :) A plantless biotoop simply doesn't excist in reality. It is as far from the word biotoop as it can get and actualy makes absolutely no sense.
     
  10. Edvet

    Edvet Forum Moderator Staff Member

    Messages:
    4,784
    Location:
    Lelystad, Netherlands
    9689364597_11cf02cc9f_o.jpg
    Red rooted floater ((Phyllantus fluitans), frogbit (Limnobium laevigatum) and Ceratopteris pteroides, all South american floaters
     
    azawaza, dw1305, Tim Harrison and 2 others like this.
  11. zozo

    zozo Member

    Messages:
    6,469
    Location:
    Netherlands
    Absolutely lovely!... :clap: Actualy also if viewed from the submersed parts. :) Those hanging and waving roots give a very natural intrigue to an aqaurium. Fish love it..
     
  12. Tim Harrison

    Tim Harrison Global Moderator Staff Member

    Messages:
    6,531
    Location:
    Leicester
    I'm sure Ady will have some tips, but I guess low light is the key...

    [​IMG]


    This also from George might give you some notion, but floating plants are a very good idea too...

     
    Jayefc1 and Ady34 like this.
  13. tiger15

    tiger15 Member

    Messages:
    239
    Location:
    USA
    The OP said he does not want plants, and floaters is plant. Floaters is not maintenance free, and having floaters to block off light is contradicting to having light to show off the fish in the first place. 8+ hour of light bright enough to show off fish will inevitably invite algae and worst, the brown or red BBA type that thrive in low light. Algae will also cover the moist underside of the glass cover and reduce brightness over time and needs to be removed. I had the worst BBA infestation when I kept fish only tanks until I keep plants and learn how to control algae.

    I will spray peroxide on all exposed surfaces during water change and dose Excel following Seachem recommended dosage after WC as needed.
     
  14. Ady34

    Ady34 Global Moderator Staff Member

    Messages:
    4,315
    Location:
    Co. Durham
    Thanks @Tim Harrison, yeah low light is key and good maintenance. I had no plants and no algae at all. I have ran several plantless hardscape only tanks and have had no issues, but always only ran low intensity RGB led.
    Circulation is also key, don’t allow any build up of detrius and maintain the substrate religiously.
    What sort of discus are you looking to keep @leedsrhinojohn? Regular large water changes also help and realistically are a must.
    Bristlenose plecs also are a good fish to keep with the discus to keep hardscape clean and hoover up any excess food.
    Cheerio,
    Ady.
     
  15. leedsrhinojohn

    leedsrhinojohn Member

    Messages:
    133
    Location:
    scunthorpe
    Hi Ady
    I already have the tank and discus, I used to have it planted but with work taking more and more time I don't want the extra work of a planted tank so changing to a non planted tank but was just looking at best way to keep algae at bay, Ive got 3 ai prime hd freshwater lights and looking to ramp them down quite a lot and get some frogbit who a member has kindly given me so hoping that and the lower lights aswell as the normal tank cleaning regime will keep algae at bay
     
  16. Matt @ ScapeEasy

    Matt @ ScapeEasy Member

    Messages:
    688
    Location:
    Lancaster
    Or you could always go with slow growing and 'height limited' low tech plants. Ie... no stem plants, crypts, bolbitis, anubias...
     
  17. Wolfito

    Wolfito Member

    Messages:
    27
    Location:
    Bucharest
    i would also try slow growing plants. they do help
     
    dw1305 likes this.

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