Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Carbon vs good organics vs tannins (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/carbon-vs-good-organics-vs-tannins-69671/)

SinCrisis 05-05-2011 10:08 AM

Carbon vs good organics vs tannins
 
Hi All,

I was wondering if anyone could offer advice on what to do about tannins in the aquairum. My tannin levels are extremely high because of soil substrate and loads of driftwood. It is a heavily planted tank, so I have been doing water changes to reduce the tannin levels but at this point the water is so dark that all my plants have been behaving like its a low light tank. Should I try running carbon through my filter? I am worried about it taking out nutrients my plants need. Is the best course of action to just bring up the amount of water changes?

1077 05-05-2011 10:22 AM

[quote=SinCrisis;665969]Hi All,

I was wondering if anyone could offer advice on what to do about tannins in the aquairum. My tannin levels are extremely high because of soil substrate and loads of driftwood. It is a heavily planted tank, so I have been doing water changes to reduce the tannin levels but at this point the water is so dark that all my plants have been behaving like its a low light tank. Should I try running carbon through my filter? I am worried about it taking out nutrients my plants need. Is the best course of action to just bring up the amount of water changes?[/quote


Water changes, or removing the wood and boil it.
I just set up a tank for some plecos and added some wood too big to boil.Tank is dark tea colored and fresh carbon only clears it for a day or two.
Is a quandry with planted tank,both carbon and water changes could remove nutrient's as well as tannins.

lorax84 05-05-2011 10:38 AM

I'm having the same problem right now. Multiple wc a week is the only thing I have found that has helped.

SinCrisis 05-05-2011 10:41 AM

Well 3 pieces of the wood are very old, still leeching tannins though, and are too big to boil. Secondly, I think most of the tannins are from the soil under-layer which had a lot of wood chips.

Well I have been dosing ferts right after changing water to help replenish lost nutrients but with carbon any additional ferts would be absorbed right away, but it is becomming a hassel changing 10 gallons of water every couple of days to keep the water a lighter shade of brown. :-/

Im hoping someone will have a solution to this problem thats not so high maintenance..

Byron 05-05-2011 12:01 PM

I think the only solutions have been mentioned. If it is occurring from the "soil" then obviously removing all of it is the only solution. I suspect it could leech for some time.

AbbeysDad 05-05-2011 12:08 PM

I'd consider pulling the wood out outta the aquarium. Perhaps too large to put in a pot on the stove, but why not get a rubbermaid or sterlite bin that's big enough...put outside and bring a big pot of water on the stove to a boil and pour over (a few times) and soak, repeat, and water change in the bin until the water is good ?


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