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post #1 of 4 (permalink) Old 02-28-2010, 05:28 PM Thread Starter
Algae Grower
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new to plants

Just finished cycling . I have a 20L tank with 1.7 wpg strip lights. I also have low-light plants, Java Fern, two crypt willisii, anubias afzelii, and water sprite. So far I have 4SAE, and 4 dwarf cories . Plan on 5 or 6 fanncy guppies to complete fish. Plan on getting rid of one or two SAEs later. Know this is a long set up to questions, they are,during cycling crypts and anubias plants have come to be covered in brown spots(diatoms?). SAEs nibbles at them. What do I do to get rid of this and does it hurt plant leafs? Also do I need to fertilize these low light plants? If so what do I use?. Thank you. ( no CO2)
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post #2 of 4 (permalink) Old 02-28-2010, 10:38 PM
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You can fertilize them if you want. I use Ultra GH Booster and Excel on mine to good effect. With less light you need less ferts and C02 I've gone a month on dosing Excel on some of those tanks without any problems they just don't grow as fast.

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post #3 of 4 (permalink) Old 03-01-2010, 06:21 PM
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The brown diatoms are normal and should go away with time.

What type of light? This matters allot. If it's PC or T5 you may need to raise it a bit to avoid algae and CO2.

If it is T8 or regular CFL (compact florescent). You should be okay with no CO2 and minimal fertz
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post #4 of 4 (permalink) Old 03-01-2010, 06:46 PM
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Ditto on brown diatoms, they'll be gone in a few weeks (although 2 Oto cats can clear them up now if you want).

I like your plant selection, I'm a big fan of simple and hardy. I'd start simply with a bottle of regular Flourish and check out this site if you think you experience any deficiencies down the line:

EDIT: my bad I overlook your SAEs. Forget about the Otos then.

Us reef guys don't know jack about plants.
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