Some new algae - The Planted Tank Forum
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post #1 of 3 (permalink) Old 06-19-2010, 02:34 AM Thread Starter
Algae Grower
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Some new algae

My tank (55gal, 21" deep) is cycling, about 2 weeks into the process. Ammonia is beginning to rise very high, no nitrites or nitrates yet. The pH is about 7.6 and I have a KH of 16. I'm also running co2 by a pressure system. The lighting is four 65watt daylight power compacts (with 6700k and 10000k) lights and the plants are in a 3"-4" deep flourite bed. Also, I've dosed the tank once with Seachem Flourish "Nitrogen," "Phosphorous," "Potassium," "Excel," and the regular seachem flourish that says "comprehensive supplement for the planted aquarium" which is mostley micro nutrients.

For the first time today I'm noticing some algae form. There's a little stringy green stuff on my amazon sword, and some tiny red balls formed between the leaves of the cabomba. There's also some brownish green algae on the glass and on the leaves of the anubias nana.

I have four questions,

-Is this normal for the cycle and will it likely go away in a couple weeks as the cycle progresses?

-Will the algae hurt the plants its growing on?

-And what can I do to lessen the algae/impact on the plants?

Thanks for the advice
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post #2 of 3 (permalink) Old 06-19-2010, 05:12 AM
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None of this is abnormal for a cycling tank,.. but you can do some things to help the plants out-compete the algae.

First,.. that's a fair amount of light,.. is your CO2 as high as it should be? Around 30 PPM? In fact,.. with no fish you can push it much higher right now, the plants will love you for it. If you are using a drop checker make sure to put it in the bottom of the tank not the top,.. even with 10X turnover it makes a huge difference in my tank.

How many plants do you have? The more plants you have the better off you will be - I usually pack my tanks right from the start with fast growing plants, the general rule is "If the plants are doing awesome, algae won't survive".

And lastly getting on a regular fert regimin right from the start will help as well - I see you have the ferts you need,.. but you may want to look in to the EI method or PMDD,.. because using flourish products in that size tank, with that much light,.. CO2, and lots of plants is going to get expensive quick.

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post #3 of 3 (permalink) Old 06-19-2010, 05:15 AM
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Here's the thread on EI - I don't have the PMDD one bookmarked because I don't use it anymore (got tired mainly of mixing stock solutions), but I'm sure there's one on that here too.

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