Replacing Carbon with Purigen - The Planted Tank Forum
View Poll Results: What should I do?
Remove Carbon only 2 8.33%
Remove Carbon, Replace with Purigen 20 83.33%
Do Nothing 2 8.33%
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post #1 of 20 (permalink) Old 02-03-2014, 11:57 PM Thread Starter
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Replacing Carbon with Purigen

Well, my tank hasn't completed its cycling but I already have Purigen and was curious if I should replace it with the carbon.

I am dosing Flourish, Excel, and I have a DIY Osmocote tab. Is the carbon pulling any of the nutrients from these? My plants aren't dying but they aren't exactly doing much else either. Lighting is the Fluval Edge 21 LED (18 white, 3 blue) and I just bumped up the photo period from 8 to 10 hrs a day.

Would it hurt to swap out to the purigen? I know it's recommended to wait till the tank is cycled but I'm curious. Or should I just pull out the carbon? Or leave it be?
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post #2 of 20 (permalink) Old 02-04-2014, 12:01 AM
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I would much rather use purigen over carbon. Not sure but I think carbon can remove some kinds of ferts. I'll let someone else answer that one. Never had a problem with purigen. Keeps my water crystal clear

~Sam

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post #3 of 20 (permalink) Old 02-04-2014, 12:06 AM
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purigen all the way. Keeps my water crystal clear and doesn't affect ferts. You can use it while cycling and dosing meds without a problem

-Neil
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post #4 of 20 (permalink) Old 02-04-2014, 12:13 AM
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1+ Purigen

It polishes my water to an unparallel clarity! I use it with all of my tanks; planted & reef
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post #5 of 20 (permalink) Old 02-04-2014, 12:20 AM Thread Starter
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Well it didn't take much to convince me. I was on the fence and almost did it the other day but I decided not to because Seachem's site doesn't recommend it. Though you guys convinced me.
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post #6 of 20 (permalink) Old 02-06-2014, 10:30 PM
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Hey guys I am a newbie just wondering I have fluval 206 so replace all carbon to Purigen which is better?

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post #7 of 20 (permalink) Old 02-06-2014, 11:04 PM
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Originally Posted by cifinest33rd View Post
Hey guys I am a newbie just wondering I have fluval 206 so replace all carbon to Purigen which is better?

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General consensus seems to be to replace the carbon with purigen. That's my recommendation too

~Sam

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post #8 of 20 (permalink) Old 02-06-2014, 11:09 PM
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Cool thanks!

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post #9 of 20 (permalink) Old 02-06-2014, 11:47 PM
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I think purigen is better but they only last little longer than carbon. Yeah, seachem claims purigen can last for 5 months. Personally, after 2 months, I could already see organic buildup in the tank. They aren't cheap, $11 for a tiny 250ml bottle.


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post #10 of 20 (permalink) Old 02-07-2014, 12:07 AM
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Purigen is magic! I use it in my Fluval 206 for my home 29G. I use to use it in my office tank, until I switched it to a black water set. Purigen is so good at cleaning water it was undoing my efforts to put tannin in my water.

I would use Purigen and carbon. They have some overlap on what the pull from the water, but there's enough difference that it would be good to use both. If you are worried, increase your fertilizer dosing if you're worried carbon pulling some of it out of your water. I feel the claim is that carbon can pull ferts out of the water is way over blown.

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post #11 of 20 (permalink) Old 02-07-2014, 12:17 AM
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I think purigen is better but they only last little longer than carbon. Yeah, seachem claims purigen can last for 5 months. Personally, after 2 months, I could already see organic buildup in the tank. They aren't cheap, $11 for a tiny 250ml bottle.
It really depends on the tank and its parameter. Sure if you have a light bio-load and you keep up with maintenance and water changes. It just might last 5 months.

They can be pricey even at the big box pet store like Petco. Atleast compared to what you can get online. I buy my purigen and most dry goods on Petmountain. Great selection, rock-bottom prices, and fast shipping.
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post #12 of 20 (permalink) Old 02-07-2014, 01:16 AM
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Quote:
Originally Posted by tetra73 View Post
I think purigen is better but they only last little longer than carbon. Yeah, seachem claims purigen can last for 5 months. Personally, after 2 months, I could already see organic buildup in the tank. They aren't cheap, $11 for a tiny 250ml bottle.
You know Purigen is rechargeable, I have to recharge my every 2 -3 months. It pretty easy, you can youtube the how to.

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post #13 of 20 (permalink) Old 02-07-2014, 02:04 AM
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You know Purigen is rechargeable, I have to recharge my every 2 -3 months. It pretty easy, you can youtube the how to.

I stopped doing that because is not worth the effort and the risk with chlorine contamination. Back then, I thought a bottle would last me more than 8 months... I say 6 months top. I also do 2 60% WC per week. I really can't see the reasons why I would need any chemical filtration at all. Is nice to have purigen though.


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post #14 of 20 (permalink) Old 02-13-2014, 09:00 PM
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Can anyone recommend a good, inexpensive bag for purigen?

Seachem's bag is ridiculously overpriced... and it's way too big for my filter.

Thanks!
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post #15 of 20 (permalink) Old 02-13-2014, 09:15 PM
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Can anyone recommend a good, inexpensive bag for purigen?

Seachem's bag is ridiculously overpriced... and it's way too big for my filter.

Thanks!




I'm using lady leg stocking.
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