Plants growing more quickly since I took the carbon out? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 01-28-2004, 06:10 PM Thread Starter
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I removed the carbon filter pad from my power filter a few days ago so I could treat my fish for a small ich outbreak. My tank is a 10-gallon and the only supplement I'm using so far is Flourish Excel.

Well, my water became a little more cloudy when I took the carbon out (which I expected), but my plants also started growing much more quickly! Why is this? Does the carbon absorb things that they need? I mean it's almost a night and day kind of difference! Should I just leave the carbon out and deal with my water being a little more cloudy? It was crystal clear before but I like the way my plants have taken off.
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post #2 of 8 (permalink) Old 01-28-2004, 06:16 PM
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Activated carbon absorbs and removes traces ("heavy metals", for example), which are necessary for plant growth. Using carbon and plants together doesn't work very well.

Regular water changes, a reasonable stocking level, no overfeeding, and a good filtration will go a long way for crystal clear water.


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post #3 of 8 (permalink) Old 01-29-2004, 12:51 AM
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I wonder if the AC was also removing the Excel?
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post #4 of 8 (permalink) Old 01-29-2004, 01:28 AM
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Quote:
Originally Posted by Wasserpest
Activated carbon absorbs and removes traces ("heavy metals", for example)...
So dechlorinator that neutratlizes or "removes heavy metals" is probably hindering my plants, huh? Anyone recommend a good dechlorinator that does ONLY that? Something that lasts a while would be nice too...
I actually have Jungle Insto Chlor, whitch says nothing about heavy metals, and also claims to be safe for "fish and plants"... Would that be my best bet?

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post #5 of 8 (permalink) Old 01-29-2004, 02:21 AM
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I use Seachem Prime. Remember Iron is not normally considered a heavy metal. The metals they aim for are copper and lead. I know that Copper is not a heavy metal either but that's the info I was given.
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post #6 of 8 (permalink) Old 01-29-2004, 02:51 AM
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Oh, so I'd be ok to keep using it, would you say? I have enought to last 8 years LOL.. would be a shame to put it in the corner to collect dust, not to mention, I use lead plant weights, and i would like to keep the dissolved Pb to a minimum...

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post #7 of 8 (permalink) Old 02-01-2004, 04:28 PM
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Does activated carbon really do anything once a layer of bacteria forms on it?
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post #8 of 8 (permalink) Old 02-02-2004, 04:59 PM
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Good point. I've read that it doesn't do anything after a few day because it get covered with bacteria but almost everyone that has a planted tank or treats their tank for disease will remove AC becasue it can suck up some of the goodies (organics and cations) in the water.

I did some searching about water treatment chemicals. I use them but I'm undecided about their value. I'm almost certain that the recommend dosage is overkill and could be removing too much of the good stuff.
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