Algae invasion in new tank setup. - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 07-31-2014, 12:13 PM Thread Starter
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Algae invasion in new tank setup.

Hi,

New 16 gal tank setup - 25 days. And my tank is overrun with algae.
Need help identifying this algae and what should I do about it? Not sure if this is Diatoms or Brown Hair Algae.

This brown dusty algae photosynthesis and is very apparent from the bubbles that appear. Its everywhere, on the plants, substrate and rock. It is covering my HC.

I'm also using SeaGel by Seachem, and that's supposed to absorb phosphate and silicates. Regular water changes and it grows back in a day.

I'm at a lost for my next move.

16 gallon tank.
T5 lights, 55W. Now reduced to 5 hours, timed with CO2 injection.
ADA Amazonia soil - 25 days since setup.
I have not dosed anything.

I was thinking of getting a couple of ottocinclus, but will those disturb the substrate as the HC is still rooting?

Thanks.
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post #2 of 10 (permalink) Old 07-31-2014, 12:40 PM
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no more chemicals and add flying fox with a lid
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post #3 of 10 (permalink) Old 07-31-2014, 02:03 PM
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I've never needed a lid for my SAEs.

And put a bunch of Amanos in there!
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post #4 of 10 (permalink) Old 07-31-2014, 06:01 PM
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Really looks like diatoms. I don't really know of anything that positively eats it; I'm sure there's some species out there that might, but for me it always goes away on its own after another couple of weeks.
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post #5 of 10 (permalink) Old 07-31-2014, 06:52 PM
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There are four major things you can do to reduce algae. If you have enough plants in your tanks, keep your plants well supplied with nutrients and never let them run out then algal issues will be minimized or completely eliminated.

You need to add more plants to the tank, or wait until they grow in more. Plants directly compete against algae and reduce their growth. When you don't have enough plants you have more algae.

These are the main factors that promote algae - the more factors against algae the less likely you'll have it:

Read more about this here: https://www.plantedtank.net/forums/sh...d.php?t=679601

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post #6 of 10 (permalink) Old 08-01-2014, 02:16 PM Thread Starter
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Thanks, that was a very good article - although it does mean having to remove my SeaGel by Seachem and to start dosing.
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post #7 of 10 (permalink) Old 08-01-2014, 03:05 PM
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Hi! we live in your backyard and would love to help....
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post #8 of 10 (permalink) Old 08-01-2014, 03:25 PM Thread Starter
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Thanks king kong. SAEs are good, but my tank is only 2 feet by 1 feet, and those are too large. As for the ottocinclus however, I wonder if they'll stir up the substrate. The HC is still rooting, and it has floated to the surface several times.
I also have six amanos, and will be adding another four :P
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post #9 of 10 (permalink) Old 08-01-2014, 04:53 PM
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Quote:
Originally Posted by davido View Post
Thanks king kong. SAEs are good, but my tank is only 2 feet by 1 feet, and those are too large. As for the ottocinclus however, I wonder if they'll stir up the substrate. The HC is still rooting, and it has floated to the surface several times.
I also have six amanos, and will be adding another four :P
that is a good point. I wouldn't keep a planted tank smaller then 55 gallons. More things you need can go right and less room for error, stable envoronment.
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post #10 of 10 (permalink) Old 08-01-2014, 05:46 PM
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BTW regular water changes ( once every 2-3 days for first few weeks) helps to mitigate algae a lot during fresh setups, especially so for ADA soil users as it leeches quite a bit of ammonia.

Regards, Dennis
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