Plant New Leaf are coming brown - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 03-19-2010, 06:08 PM Thread Starter
Plant New Leaf are coming brown

I have 8 gallon tank with only 1 plant and it is doing well now in just 1 week. I am putting lights for 8 - 10 hours a day daily. I can see some small amount of growth in my plants .

My lights it is 22 watts and 6700K. And as I told my plants are doing good . But from last two days what I am watching is my new leafs are comming brown rather than green what can be the problem. and how can i solve it.

Please I will very appreciate you people advice me what to do !!

17.5" x 10" x 10" (i.e. 8 gallon) Fresh water tank
8 Neon Tetra

Planning to put some ghost shrimp
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post #2 of 5 Old 03-19-2010, 06:52 PM
What kind of plant? what kind of substrate? any ferts used? got any pics?
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post #3 of 5 Old 03-19-2010, 07:11 PM Thread Starter
I am putting some image so you can know what is the plant. Substrate is simple small stone as you can see in picture. No ferts No CO2

17.5" x 10" x 10" (i.e. 8 gallon) Fresh water tank
8 Neon Tetra

Planning to put some ghost shrimp

Last edited by milindsaraswala; 03-19-2010 at 07:17 PM.
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post #4 of 5 Old 03-19-2010, 08:46 PM
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looks like cabamba... maybe purple cabomba would explain the brown-ness.

can you decrease the light? 22W for an 8gal sounds like a LOT but I'm not sure if thats actually your problem or not... maybe brown algae is just growing on the part of the plant closest to the light?

Originally Posted by Christople View Post
^^ genius

Soil Substrates Guide:
Part 1
--------- Part 2

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post #5 of 5 Old 03-20-2010, 12:32 PM
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This same question was asked in your other thread, so I'm copying my earlier response from there, with revisions below it:

Does the "brown" wipe off the leaf with your finger? If yes, it is brown algae, more correctly known as diatoms. But if it is the actual leaf that is brown, there is an imbalance between light and nutrients.

22w of 6700K light over an 8g is a fair bit of light; how long is the light on each day (it should be close to the same duration every day)? And are you using any liquid fertilizer yet (you don't mention any)?


Now that I've seen the photos, you can forget the algae issue, it is the light/nutrients issue. And you said no ferts. So, I would suggest using a comprehensive liquid fertilizer to provide the nutrients the plant needs. If that works, fine; if not, the light will have to be reduced. Good ferts are Seachem's Flourish Comprehensive Supplement for the Planted Aquarium and Kent's Freshwater Plant. These each make several products, ensure it is the exact one. If you can't get these and want other suggestions, let us know. Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

Last edited by Byron; 03-20-2010 at 02:59 PM.
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