Methods of Tannin removal? - The Planted Tank Forum
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post #1 of 13 (permalink) Old 09-18-2018, 07:45 PM Thread Starter
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Methods of Tannin removal?

I've had this piece of driftwood releasing tannins for close to two months.






Every piece of bogwood I've purchased prior to this followed the same tannin removal method, submerge the wood in boiling water, then after several weeks of water changes the water would run clear. This particular piece is still releasing tannins after two months and the tennins appears more concentrated (darker) after every water change. So now I'm looking into ways to remove tannins from the water. My lighting is 1WPG so if I do include this piece of wood I'm worried my lighting and plant growth will suffer.

In short, I'm looking for a tannin remover that doesn't interfere with the beneficial bacteria or other natural process that occur within the tank and/or filter.
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post #2 of 13 (permalink) Old 09-18-2018, 09:56 PM
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You could try purigen, that should help
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post #3 of 13 (permalink) Old 09-18-2018, 11:28 PM Thread Starter
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You could try purigen, that should help
It says it removes ammonia, nitrite and nitrate which isn't something I'm looking for. Also, I've read that certain dechlorinators renders purigen useless.
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post #4 of 13 (permalink) Old 09-18-2018, 11:31 PM
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It says it removes ammonia, nitrite and nitrate which isn't something I'm looking for. Also, I've read that certain dechlorinators renders purigen useless.
Yes and no. It wouldn't remove those if your are dosing them. It removes organics before they produce those.
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post #5 of 13 (permalink) Old 09-19-2018, 12:05 AM
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Quote:
Originally Posted by RollaPrime View Post
It says it removes ammonia, nitrite and nitrate which isn't something I'm looking for. Also, I've read that certain dechlorinators renders purigen useless.

It removes organics before they break down into those - it won't remove any that already exist. If you check the seachem forum, there are several topics where the company specifically state it helps remove organics including tannins.


Some declorinators aren't suitable to mix with it - prime, for example, would be fine.
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post #6 of 13 (permalink) Old 09-19-2018, 12:32 AM Thread Starter
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Some declorinators aren't suitable to mix with it - prime, for example, would be fine.
Is there any further info on this part in particular. I'm using fluval Aqua + I've got 1000ml but I'll switch to prime if I have to.
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post #7 of 13 (permalink) Old 09-19-2018, 04:32 AM
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Purigen did the trick for me when I was adding driftwood.


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post #8 of 13 (permalink) Old 09-19-2018, 11:31 AM
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There is some info in the FAQ: https://www.seachem.com/purigen.php I think the main issue sounds like products that include stress coat type functions too. They are pretty good at replying to support queries on their forum so you could ask there: https://www.seachem.com/support/forums/forum
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post #9 of 13 (permalink) Old 09-20-2018, 08:55 AM
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I second (third?) the Purigen recommendation. That stuff works like magic for clarifying your water (and it's easy to take out if you don't like it). But you probably will!

Last edited by Surrealle; 09-21-2018 at 02:55 AM. Reason: Removed emote gibberish
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post #10 of 13 (permalink) Old 09-20-2018, 11:51 PM Thread Starter
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I appreciate the info guys...

I bought a canister of Purigen that arrived today but I thought it would come in a bag or something. I need to find a durable mesh bag to house this stuff in my filter.
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post #11 of 13 (permalink) Old 09-21-2018, 12:44 AM
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Seachem also sells a bag for it. I think it’s just called “The Bag”


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post #12 of 13 (permalink) Old 09-21-2018, 02:01 AM
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Originally Posted by TacitBlues View Post
Seachem also sells a bag for it. I think it’s just called “The Bag”

I bought 5 of these bags, from Amazon, for $7. A better value than "The Bag", IMO. The holes are 180 microns; perfect for Purigen.


https://www.amazon.com/gp/product/B07FD2TFFR
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post #13 of 13 (permalink) Old 09-21-2018, 04:36 PM
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Yeah, I just bought the packs of purigen that are in a heat-sealed pouch. Didn't want to have to deal with it falling out of the cinch top bags


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