Help - 30g planted algae attack
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Old 08-12-2015, 03:12 PM   #1
Oghorille
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Help - 30g planted algae attack


I have had my 30g planted set up for about 6 weeks now and had crystal clear water, healthy plants, and nothing to worry about. I started dosing co2 as well as upped the lighting, and even increased ferts to try and have all 3 factors in balance, and yet now I am getting a brown algae outbreak everywhere, as well as some hair algae which I think may be killed already by my co2 booster that I add daily.

Can someone tell me if this is just normal for a tank this age, and if I will eventually see the plants and tank become more "comfortable" for lack of a better word.

I'd be happy to post pics/specifics if anyone is interested.

PS side note, my Ludwgia red is dying in there and I have no idea why. I believe I have about 60 par light 16" from the substrate, root tabs + liquid and pressurized co2 + trace + iron supplements added.
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Old 08-12-2015, 03:56 PM   #2
Raymond S.
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Pictures might help. What ferts ? Root tabs have no Mocros. "Ferts" consist of Micros & Macros. You only have the Micros. That is likely most of your problem. Plants that don't
get both slowly begin to slow down their growth till it stops and they die.
Water changes, fish food/waste all contribute, but lack Potassium in any sufficient
amount. The simplest way would be to get Osmocote+ capsules from someone and use them. I also would open one and drop 6 beads of it on the bottom.
http://www.plantedtank.net/forums/sh...d.php?t=898001
Do not use more than directed of these. If the tank is 12" front to back then use a single row 6" from one end every 6" across to 6" from the other end.
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Old 08-12-2015, 04:18 PM   #3
Wasserpest
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It's normal for new tanks to go through a brown algae/diatom phase. It can get a bit ugly, but after a few weeks it disappears.

Like R suggested, you should look into macros - NPK. I would try to get dry fertilizer powders, KNO3, K2SO4, and KH2PO4. You can get them relatively inexpensively, and it will give you more flexibility and precision compared to using some pre-mix or terrestrial fertilizer.

Checking out your water report, and/or doing some basic N and P testing also helps to establish base lines and understand the dynamics.
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Old 08-12-2015, 04:22 PM   #4
mattinmd
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Quote:
Originally Posted by Oghorille View Post
I have had my 30g planted set up for about 6 weeks now and had crystal clear water, uphealthy plants, and nothing to worry about.
Quote:
Originally Posted by Oghorille View Post
now I am getting a brown algae outbreak everywhere, as well as some hair algae which I think may be killed already by my co2 booster that I add daily.
Well the brown algae is probably diatoms... new tank syndrome.. it goes away on its own eventually, scraping it and sucking it out of the tank speeds this somewhat. They're dependent on the excess silicates that are present in new tanks.. As you suck out the dead diatoms, the overall silicate level drops and eventually they become nutrient limited due to lack of silicate (which plants and fish do not need).


Quote:
Originally Posted by Oghorille View Post
PS side note, my Ludwgia red is dying in there and I have no idea why. I believe I have about 60 par light 16" from the substrate, root tabs + liquid and pressurized co2 + trace + iron supplements added.
How much NPK are you dosing? What parts of the plant are affected, and how are they dying off?
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