Fluval Spec 5 Gallon Activated Carbon? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 12-19-2013, 10:16 PM Thread Starter
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Fluval Spec 5 Gallon Activated Carbon?

Hi all. I was wondering if others had any advice on using the activated carbon supplied with the fluval spec aquarium. I have one that's been going for about 6 months and the water is crystal clear and I've never had any algae. The plants are various crypts and a couple dwarf Lillie's? Should the carbon be used at all times? I have some eheim media, should I put it in a mesh bag and replace the carbon with it?

Any advice would be appreciated


Last edited by mikep; 12-19-2013 at 11:01 PM. Reason: photo
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post #2 of 4 (permalink) Old 12-20-2013, 01:07 AM
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I would use the Eheim substrate, I haven't used charcoal in years. If you ever think you need some help with water clarity add some seachem purigen to a mesh bag. You could a,so use seachem matrix.

By the way, tank looks great, really like it a lot.

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post #3 of 4 (permalink) Old 12-20-2013, 02:31 AM
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In my spec v I use seachem matrix as the biomedia, and seachem purigen for chemical filtration. I tossed the carbon.

Carbon can be useful, along with water changes, if you need to remove chemicals after treating your tank for something, but in general, I don't think it's necessary.

I use purigen because I have driftwood in my water which can cause a yellowish tinge, and I also put in dried leaves from time to time, and since I don't boil the tannins out first, those can definitely tint your water. The purigen soaks all those up and keeps the water crystal clear.

In a spec v, you can put a bag of purigen in the space between/under the two chambers very easily. I don't know that you need it though. Your tank looks very lush and healthy.
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post #4 of 4 (permalink) Old 12-20-2013, 08:33 PM
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I don't use any carbon at all in my planted tank & my water is crystal clear, I think you'll be fine without it. Only time i used carbon is in non planted tanks or tanks that I've treated with chemicals
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