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post #1 of 9 Old 03-20-2011, 09:29 PM Thread Starter
Plants still looking bad

I got Amazon Swords and Acubusis or whatever and they are turning brown still and clear. I got Flourish Excel and I change water often. Why do they still look bad? I have a tropical sun lamp which is 8800k flurescent or whatever



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post #2 of 9 Old 03-20-2011, 09:44 PM
Kelvin rating is too high. Its best to keep it to about 6500. What is the wattage of the bulbs?>

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post #3 of 9 Old 03-20-2011, 10:19 PM Thread Starter
15w oh i didnt know that.
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post #4 of 9 Old 03-21-2011, 08:26 AM
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I suspect nutrients, not the light, to be the problem; I have seen very similar in my tanks.

Excel is a carbon supplement, which is only one of 17 nutrients plants need. I do not recommend using Excel, won't go into all that now. A good complete nutrient fertilizer is needed, Flourish Comprehensive Supplement works very well, I use it. Once or twice a week.

On the light, what size is the tank and what length is the fluorescent tube? Also what make (brand) is it? It may well be OK.

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]
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post #5 of 9 Old 03-21-2011, 05:22 PM Thread Starter
my light is fine. i am sure its nutrients as well. i got excel flourish because on amazon site it said that it is the same thing c02 provides and i thought thats what makes them green. i dont want to have to get another thing that doesnt work.
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post #6 of 9 Old 03-21-2011, 07:27 PM
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Quote:
Originally Posted by jschristian44 View Post
my light is fine. i am sure its nutrients as well. i got excel flourish because on amazon site it said that it is the same thing c02 provides and i thought thats what makes them green. i dont want to have to get another thing that doesnt work.
This is rather more complicated, if I may explain. Plants "grow" by photosynthesizing, and photosynthesis causes the lush green appearance of leaves. Plants will only photosynthesize if all required nutrients (17 of them) are available and the light is sufficient--which means intensity, spectrum and duration--to balance. When any single nutrient, such as carbon (via CO2 or Excel), is increased, growth/health is unlikely to improve unless that particular nutrient was totally missing previously.

As there is quite a lot of natural CO2 occurring in most tanks with fish (and more CO2 comes from the bacteria in the substrate anyway), it is the other nutrients that are more likely to be missing or in short supply. A comprehensive fertilizer like Flourish Comprehensive will usually be sufficient to provide everything (aside from CO2, oxygen and hydrogen which naturally occur). If there is a balance existing, adding more CO2 will only have value if the other nutrients are already there in excess, and the light is increased again to balance.

If you stop the Excel and add Flourish, I would expect your plants to improve. Swords are heavy feeders, and Flourish twice a week instead of once is often necessary.

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]
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post #7 of 9 Old 03-21-2011, 08:23 PM Thread Starter
thanks byron, can you add a link for me for the product on amazon? thank you!
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post #8 of 9 Old 03-21-2011, 08:32 PM
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Here you go chief!

Let me google that for you
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post #9 of 9 Old 03-22-2011, 11:18 AM
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Neat.

And just in case, here is Seachem's page:
Seachem. Flourish

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]
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