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what type of Algae is this?

Discussion in 'Algae' started by craig20102010, Apr 8, 2016.

  1. craig20102010

    craig20102010 Aspiring Aquascaper

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    Hi, another algae issue but its one iv come across before and iv no idea how i got rid of it in the past.

    Here are some photos
    [​IMG]

    [​IMG]

    Iv just done the water change (20%) and took the water quality test, which came back with:
    Nitrates at 20ppm
    Phosphates at 0 to 0.25ppm (really hard to tell what its reading but im sure its not higher then 0.5ppm)

    Running all the good stuff Co2 decent flow and im dosing EI ferts at the following rates 3x a week:
    2.94 ppm Nitrates
    0 ppm Phosphate
    1.21 ppm Magnesium
    5.5 ppm Potassium
    Micro 3x a week

    Lighting

    2x 24w t5 tubes over 60 litre tank on for around 7 hours a day on a timer.

    Whats changed
    Iv just increased my Nitrate to the above doses recently in the last 2 weeks and the difference it has made is massive. H.C has started to grow again and the Pogostemon helferi has also started to change to a nicer darker green and the Alternanthera reineckii has started producing red leaves on new growth.

    I had the algae problem before i increased the Nitrate but it appears to be getting worse and this maybe down to the nitrate increase also.

    Iv just changed one of the bulbs tonight to try see if that solves the problem as i know it was getting a bit old. I went for Iquatics Tropical 24w t5 enhancing the blue and red peaks and i must say im very happy with the new look.

    Any ideas how i can kill this type of Algae and what it is?

    Here's a photo of the tank after iv cut out what i can. The HC was a full carpet but i started it again due to algae issues so its just starting to grow back now but i don't dare pull on the algae too much as it pulls the HC out.
    [​IMG]
     

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  2. ShadowMac

    ShadowMac Moderator Staff Member

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    it is green hair algae. Tough to get rid of. If you do not have shrimp or snails you care about you could use algaefix. Otherwise its a lot of regular manual removal.

    Old bulbs tend to put out less, so a new bulb would increase your light intensity. You can cut back to one bulb while you fight it off. You could also decrease the duration to 6 hours.

    Twinstars help with green algae as well and are shrimp safe.
     
  3. keithgh

    keithgh Moderator Staff Member

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  4. craig20102010

    craig20102010 Aspiring Aquascaper

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    Strange the photos are working fine for me.

    I'm guessing the algae fix is made by api. I could try cutting the lighting down to just one bulb for now.

    Iv read that you can cut the macro and micro dosing down as well to help.

    Problem with this algae is it always seems to come back either due to not getting fully rid in the first place or it not dying. It's very annoying.

    Sent from my HTC One_M8 using Tapatalk
     
  5. ShadowMac

    ShadowMac Moderator Staff Member

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    It is very annoying. Once you have it it is hard to get rid of. Changing your dosing won't help in my opinion. You could also get a crew of amano shrimp to help.but you can't use the api algaefix then.

    sent from tapatalk on my phone so auto correct and other errors are bound to happen
     
  6. craig20102010

    craig20102010 Aspiring Aquascaper

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    I'll try the algae fix first even though iv tried chemicals before to fix things and they don't seem to work very well. Then if it goes away or doesn't I'll try the shrimp. Amano shrimp are hard to get hold of where I'm at. They sell out so fast.

    Sent from my HTC One_M8 using Tapatalk
     
  7. ShadowMac

    ShadowMac Moderator Staff Member

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    You will still need to remove it when you see it and determine why it is out of control. ID say you have high light...

    sent from tapatalk on my phone so auto correct and other errors are bound to happen
     
  8. craig20102010

    craig20102010 Aspiring Aquascaper

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    Yeh iv been doing that but it's still alive and kicking so it's holding on tight to my hc.

    I have the option to lower my lighting by half so that's not to bad. It's been fine for a long time with the current lights so I must of had an ammonia spike or some thing.

    Sent from my HTC One_M8 using Tapatalk
     
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  9. ShadowMac

    ShadowMac Moderator Staff Member

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    Yeah, something triggered it. Maybe increased plant mass and CO2 demand. Most likely you were close to something being growth limiting...then once it was algae had an opportunity.

    This is some of the hardest stuff to get rid of. Reduced light will keep it from growing faster than you can remove it.

    After the algae fix treatment done big water changes and a period of carbon filtering to ensure its gone and you can add amanos to try and keep it beat back

    sent from tapatalk on my phone so auto correct and other errors are bound to happen
     
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  10. keithgh

    keithgh Moderator Staff Member

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    Craig

    Looks like finding what caused the Algae is the hardest part this must be fixed as well otherwise you will still have the same concern.

    Keith:cat::cat:
     
  11. craig20102010

    craig20102010 Aspiring Aquascaper

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    Yeh it is. This is one of the hardest to find as well.

    Also looking on the algae guide it could either be one of two.

    One tells you to reduce lighting and do a 3 day blackout the other tells you to increase co2 and dosing

    I'm going to start with halfing the light intensity to one 24w bulb and cut the lighting down to 6 hrs I'll keep my co2 and dosing the same for the next 7 days.

    Hopefully this will slow it down for when I get back with the api algaefix to hopefully kill it altogether. Might even try the 3 day black out after that period and try removing as much as possible.

    Sent from my HTC One_M8 using Tapatalk
     
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  12. keithgh

    keithgh Moderator Staff Member

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    Craig

    Personally I would try the 3 day black out, that includes blocking all light out front and tank sides as well.

    Removing is the easy part the cause it could be one issue or several ??? require adjusting.

    Keith:cat::cat:
     
  13. craig20102010

    craig20102010 Aspiring Aquascaper

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    Can plants survive longer then 6 days without light? I could while I go back home do the blackout then and hopefully when I get back the algae will be dead ready for me to remove.

    Sent from my HTC One_M8 using Tapatalk
     
  14. keithgh

    keithgh Moderator Staff Member

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    Survive??? I would not try it.
    A 1 x3 day black out, lights 3 days, then 3 more black out if required.

    All I can offer is suggestions not actual advice on that question.

    Keith:cat::cat:
     
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  15. craig20102010

    craig20102010 Aspiring Aquascaper

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    No Worries. I'll just do the 3 when I get back and see how I get on

    Sent from my HTC One_M8 using Tapatalk
     
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  16. keithgh

    keithgh Moderator Staff Member

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    That sounds like the thing to do.

    Let us know after the three days with some photos please.

    Keith:cat::cat:
     
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  17. ShadowMac

    ShadowMac Moderator Staff Member

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    Keith is right, I would not push a blackout longer than 3 days. You can do cycles of blackouts, which is effective. Really I should have suggested a blackout before the API. You could do the algaefix along with the blackout and hit it very hard. Blackouts are a good tool to fight algae. Follow each blackout with a big water change.
     
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  18. craig20102010

    craig20102010 Aspiring Aquascaper

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    I'll be ordering the algaefix today and when I get back to the tank I'll be doing the backout for 3 days and see how well it kills the algae.

    At the moment the lights have been cut down to one 24w bulb and iv also reduced the lighting period to 6hrs in the hope it won't of grown as fast when I get back.

    Sent from my HTC One_M8 using Tapatalk
     
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  19. keithgh

    keithgh Moderator Staff Member

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    Let us know how it went please.

    Keith:cat::cat:
     
  20. craig20102010

    craig20102010 Aspiring Aquascaper

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    I will do but it won't be till Monday when I start the blackout. The tanks at my other address.

    Sent from my HTC One_M8 using Tapatalk
     
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