Red algae, brown algae and hair algae

Discussion in 'Nuisance Algae' started by RenierMartens, 21 Aug 2015.

  1. RenierMartens

    RenierMartens

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    Ok I'm starting to have a algae problem

    Thinking it's my light setup as all the parameters are in check

    Salinity: 1.025
    Temp: 25
    KH: 9.5
    NO2: 0
    NO3: 0
    PO4: 0
    CA: 410
    MG: 1290

    Not overfeeding, Water changes of 5-7% per week
    Water volume +- 1500L
    Running Reef octopus 250int skimmer(Skimming perfect)
    Also Running 2 54watt U.V's
    DSB in sump
    30kg of live rock in sump
    100KG of base rock in main tank

    Can anyone tell me what color spectrum causes algea
    Running L.E.D's and here is a basic setup of the lights

    Reds and greens and orange: 7am - 7pm
    Blues: 9am - 9pm
    Voilet: 9am - 11pm
    Main whites(12000k) 11am - 7pm

    Set it up like this as it gives the sun come up effect and going down

    Recommendations? As this is the only reason I can think of why I'm getting an algae problem
     
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  3. trad

    trad Fish, thats the word!

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    So if you changing 150L of water a week (only using RO for changes and top up) then need to know how old the tank is?

    Tests for PO4 are pretty useless as the algae + Phos removers will be taking it out in any case. So in other words if you have algae you have Phosphate.
     
    Last edited: 21 Aug 2015
  4. RenierMartens

    RenierMartens Thread Starter

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    Changing around 85L a week.
    The tank is only running for 2 months so it might just be a phase I have to go through.
    The sand and the live rock was in my old tank for years though.

    Will refuge help my problem...
    I have a space for it, but I was told to wait as the algae will just turn white
     
  5. trad

    trad Fish, thats the word!

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    You can setup a refuge if you want, It will help but it's not an instant or 100% fix for algae.

    Your water changes are slightly less than ideal, I would every 4/6th week double up and do a 170l change. That way you can remove any accumulated build up of Phos. But make sure you're siphoning as much kuk out of the gravel etc as you can every time you do a water change.

    and you need to get a Phosphate remover (Media in a bag or Reactor)

    Yes your tank is still new so may just need some more time to settle, and if you only have fish I would reduce the lights by an hour or 3 (say in the morning if thats when you not home), all the the above should help over time.
     
    Last edited: 21 Aug 2015
  6. RenierMartens

    RenierMartens Thread Starter

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    Will start the fuge as that is something I wanted anyway
    Siphoning is up not an easy option in the tank dimensions I have
    Will phosphate remover not starve the fuge then?
    Got some corals as well

    Thanks for your input
     
  7. trad

    trad Fish, thats the word!

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    Oh and since you have red and brown you need to up the flow in the display. 1500 x 8 times = 12,000L/hr

    Are you in that range (as a minimum)?
     
  8. RenierMartens

    RenierMartens Thread Starter

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    have 2 sicce silent 5000L/h return pumps and 2 vortech mp40s(Which is 17 000L/ph each)

    So flow is allot more as your recommendation...

    That is why I cannot understand why I'm having this issue
     
    Last edited: 21 Aug 2015
  9. trad

    trad Fish, thats the word!

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    Pleasure man, just trying to help.

    Unlikely to be so effective to starve the fuge algae but if you can then you'd be doing a phenomenal job and then I'd just reduce the phos removal media.

    I'd still reduce the lights for a while then to reduce the growth.

    Strange then, flow is really good.

    and don't underestimate the size of the water change.

    I've spoken enough kuk, perhaps someone else can jump in...
     
    Last edited: 21 Aug 2015
  10. Dexter

    Dexter

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    How many red leds in the unit?
     
  11. RenierMartens

    RenierMartens Thread Starter

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    [​IMG]
    2 of these units
     
    Last edited: 21 Aug 2015
  12. Taponi

    Taponi

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    Excess Nutrients. Maybe a FTS so we can see where most accumulate would be a good start
     
  13. RenierMartens

    RenierMartens Thread Starter

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    Everywhere where the light shines.... Not a specific spot

    And no sunlight is near the tank.
     
  14. Mr Dan

    Mr Dan

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    Hi @RenierMartens sounds like you have a familiar problem so let me throw in my 2c .Firstly in any pristine natural reef you have heeps of algae the only reason you don't see it is because almost everything on the reef eats it , so to overcome the dt being filled with algae is give it another place to grow (fuge or scrubber) , reduce the amount of infrared from your lightingin the dt all the while increasing it in your fuge (just make sure that the algae has started to grow in your fuge first , after about 2 weeks the algae in the dt should become weak and you should be able to start syphoning it of the rocks (provided you have no infra red in your dt lighting ) Imo using reactors and supplements to remove nutrients from a tank is basically like putting a plaster on a gaping wound (they do have there place so don't shoot me ) algae has its place for natural nutrient removal so its not all bad and it provides a refuge for micro organisms (coral food ) good luck let us know what happens
     
    Last edited by a moderator: 26 Nov 2015
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  15. RenierMartens

    RenierMartens Thread Starter

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    Thanks MrDan.

    By infrared light, is it the red/orange light you are talking about?
     
  16. Mr Dan

    Mr Dan

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    its the red in the lighting spectrum is what algae uses to photosynthesise , you will find it in the 12000k , red led and so on , you should be able to find it on google (the main thing is to get your fuge running)and be patient:thumbup:
     
  17. RenierMartens

    RenierMartens Thread Starter

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    Will be fiddeling with my lights. tahnsk
     
  18. trad

    trad Fish, thats the word!

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    It's not the lights IMO but good luck.

    I agree with @Taponi
     
    Last edited by a moderator: 26 Nov 2015
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  19. EFJ

    EFJ MASA Contributor

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    Maybe turn down the red and orange for now till you have your refuge up and running (there is quite a lot of guys not using refugiums with great success). Also cut down on your lighting period from 9:00am till 4 or 5:00pm for a month or so or till the algae has subsided. Then maybe look at orca bio cubes to help with nitrates etc. How many livestock and if any how much are you feeding? I had a similar issue a while back and reduced my feeding and my lighting period (some time leaving the lights off for a complete day) plus adjusted/re positioned my power heads. Also looked at adding algae munchers and then slowly everything came rite.
     
  20. Mr Dan

    Mr Dan

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    Hi all .I would think it an obvious observation that any algae bloom to be a result of a high nutrient load in the water , but merely changing the lighting spectrum in your tank is not going to remove the nutrient load in the water , although it will kill or weaken the algae (lighting spectrum) so imo if someone has a limited budget , enough space , not enough time and so forth why not use something that nature has already given us for free and that is algae in a refugium . Excluding all the other benefits of having a fuge the algae growing in the fuge act as a nutrient sponge and when you crop it you are physically removing phosphates and nitrates . We are all well aware that there is no quick fix when it comes to reef tanks the only thing that I will say is that the more natural our tanks are run the less problems it will give in the long run
     
  21. EFJ

    EFJ MASA Contributor

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    @RenierMartens is the red and brown algae slimy or hairy? A pic will help a lot if possible. @Mr Dan we all try to minimize the growth of algae in our display's and this means we introduce methods of keeping it under control by either flow, feeding methods and amounts, lighting, reactors etc. In the natural environment red only penetrates a couple of meters where blue penetrates the deepest. This means that algae grows mostly in shallower waters. As for our tanks by keeping red color spectrum as low as possible to discourage the growth of nuisance algae. That is why refugiums are nice to have as we can encourage growth of nuisance algae in our sumps to help control algae but there is also other means of controlling nuisance algae through reactors, orca bio cubes, algae turf scrubbers etc. I personally use a sump and I also believe in keeping it as simple as possible.
     
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