Black Bush and Hair algae - The Planted Tank Forum
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post #1 of 19 (permalink) Old 09-16-2011, 08:20 PM Thread Starter
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Black Bush and Hair algae

Since the introduction of a CO2 system, I noticed a small tuft of black bush algae on my plants. I plucked out the leaves, but on the other side of the tank, there are black hair algae on the amazon plant.

Should I remove the CO2, or attempt to find a fish/snail to eat them? I haven't seen any oto's around, except in Kissena Aquarium (Kissena Blvd, NY).

If any one lives in NYC, and knows which fish/fish stores that sells algae eating fishes, please let me know.
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post #2 of 19 (permalink) Old 09-16-2011, 08:24 PM
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What type of Co2 are you running? Size of the tank? and Lighting?

otos wont touch BBA....Amano shrimp and Thai / Indo Flying foxes do though.

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post #3 of 19 (permalink) Old 09-16-2011, 08:29 PM Thread Starter
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14 gallons, and an incandescent and fluorescent lightbulbs. CO2 is the Red Sea turbo CO2. I wanna curse all kinda language, especially knowing that I had this bloody tank for a year with no algae ever.
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post #4 of 19 (permalink) Old 09-16-2011, 08:33 PM
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Then somethings changed!!! What's changed? Water source? Ferts? Lighting? Something has changed if you never had algae and now you do.

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post #5 of 19 (permalink) Old 09-16-2011, 08:37 PM Thread Starter
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Yah, I introduced CO2 to the tank. The dilemma being to cut the CO2, or introduce faunas to combat the algae
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post #6 of 19 (permalink) Old 09-16-2011, 09:19 PM
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CO2 should generally help combat algae if it is introduced along with the proper fertilization routine so that your regular plants are using up all the nutrients and the algae has nothing to feed its growth. So the introduction of Co2 alone should not have had any effect on algae.
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post #7 of 19 (permalink) Old 09-16-2011, 09:28 PM
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co2 should generally help combat algae if it is introduced along with the proper fertilization routine so that your regular plants are using up all the nutrients and the algae has nothing to feed its growth. So the introduction of co2 alone should not have had any effect on algae.
+1. Co2...co2...co2...
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post #8 of 19 (permalink) Old 09-16-2011, 10:31 PM Thread Starter
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Ahhh, so just dose more often then? I just got some osmocote today, and just continue dosing with flourish trace?
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post #9 of 19 (permalink) Old 09-19-2011, 02:43 PM
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BTW what is the Co2 system you are using? DIY or pressurized?

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post #10 of 19 (permalink) Old 09-19-2011, 04:00 PM
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You can cause an algae outbreak by using CO2. When you use CO2 the plants will grow much faster, but only if they have the needed NPK and traces nutrients. If the tank is stable without CO2, and you introduce CO2, you will not have enough nutrients available for the plants new growth rate. That leads to unhealthy plants, which are an invitation to algae to start growing. Read the fertilizing forum on fertilizing schemes and follow the recommendations there to be sure you have adequate fertilizing.

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post #11 of 19 (permalink) Old 09-19-2011, 06:44 PM
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Check out Fishtown USA on Northern Blvd.


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post #12 of 19 (permalink) Old 09-19-2011, 08:42 PM
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Then somethings changed!!! What's changed? Water source? Ferts? Lighting? Something has changed if you never had algae and now you do.
Remnants of a hurrican hit the city - which inherently affected water supply is my best guess!
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post #13 of 19 (permalink) Old 09-20-2011, 12:15 AM Thread Starter
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But what do Fishtown USA have to do with algae? But I finally figured out it was my CO2. Thanks hoppy, it was stable, but with the CO2 the lack of the traces fert, allowed for the algae to bubble
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post #14 of 19 (permalink) Old 09-20-2011, 07:38 AM
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This is a very good example showing that fluctuating co2 levels can cause BBA.

Since you are using nothing more then an expensive DIY co2 system the levels of the co2 are fluctuating causing stress on the plants. As Hoppy pointed out when plants get use to using x nutrient then it is gone they tend to not like that at all. Then they slow down and algae starts to form.

You either need to take that Red Sea system off the tank and just go back to what you were doing or drop the money in a proper pressurized co2 system and the necessary ferts (NPK and micro) that you will need to dose with a tank that is getting injected with co2.


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post #15 of 19 (permalink) Old 09-20-2011, 07:46 AM
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Think that one guy was probably telling you that that fishtown usa with the location was probably a fish store since you had asked for a place that sold a certian kind of fish. lol


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