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post #1 of 10 (permalink) Old 12-31-2004, 12:16 AM Thread Starter
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carbon???

Is it not a good idea to use carbon in planted tanks? If so why not? Thanks in advance.
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post #2 of 10 (permalink) Old 12-31-2004, 12:18 AM
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my understanding is that it is not great. i am fuzzy on why and i think that it is one of those on-going turf wars in planted tanks.

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30 gallon tall, pressurized CO2...killer lights
50 gallon long, killer filtration, low tech otherwise
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post #3 of 10 (permalink) Old 12-31-2004, 12:26 AM
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Carbon can absorb iron and other micro nutrients from the water column. Also cheap brands of carbon have been known to leech phosphates into the water column.

Water changes are a much better idea.
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post #4 of 10 (permalink) Old 12-31-2004, 01:22 AM
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Does this apply to a tank that does not have CO2? If your not injecting CO2, wouldn't carbon supplementation help the plants?

Tim
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post #5 of 10 (permalink) Old 12-31-2004, 01:31 AM
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If your not injecting CO2, wouldn't carbon supplementation help the plants?
Apples and Oranges..they are different.
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post #6 of 10 (permalink) Old 12-31-2004, 02:04 AM
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it sucks, cuase my filter comes with a bit of carbon in it, and i never really change it, maybe once every 6 months....i wonder if it is any bad, maybe ill just take out my carbon in my planted tank...
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post #7 of 10 (permalink) Old 12-31-2004, 02:29 AM
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Quote:
Originally Posted by Buck
Apples and Oranges..they are different.
I guess I miss understood.

I'm talking about Flourish Carbon Supplementation, not activated carbon in a filter.

Should I be dosing Flourish Carbon?

Tim
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post #8 of 10 (permalink) Old 12-31-2004, 03:06 AM
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Quote:
Originally Posted by accordztech
it sucks, cuase my filter comes with a bit of carbon in it, and i never really change it, maybe once every 6 months....i wonder if it is any bad, maybe ill just take out my carbon in my planted tank...
i just bought (at Duc's insistence) some DIY blue "floss" at the LFS. i cut apart the penguin filter and dumped the carbon out. then i placed a newly cut piece of the stuff over the plastic "frame" but i didn't anchor it. finally, i slipped it into the hob filter.

i checked on it, and the floss is staying in place. so, it's cheaper than the store bought and it recycles what you have and there is no carbon. win-win-win!

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post #9 of 10 (permalink) Old 12-31-2004, 12:45 PM
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Activated carbon (i.e. the black granular stuff for your filter) really doesn't do much after the first week or so except serve as a glorified biological filtration media. It is great for adsorbing any pollutants (and many of your ferts too) for the first week, but after that doesn't do much at all. I don't use it at all anymore and haven't noticed any problems. I really like Seachem's Purigen if you want to use a chemical media in your filter. It really keeps the water sparkling and can be recharged so you don't have to constantly purchase more.

As to Flourish Carbon - I think you're talking about Flourish Excel which is meant to help supplement your water column with carbon-based photosynthesis precursors. It helps out somewhat but is not a replacement for CO2 supplementation. If you're not using CO2 it can help, but I've found it really isn't necessary when you're pumping in plenty of CO2

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post #10 of 10 (permalink) Old 12-31-2004, 12:55 PM
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Quote:
Originally Posted by TimsViv
I'm talking about Flourish Carbon Supplementation, not activated carbon in a filter.
Sorry , my bad there , I thought we were still talking the filter carbon.
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