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972 views 9 replies 6 participants last post by  newt newbie 
#1 ·
2 things
first will i need a filter in a 6 gallon tank I've just set up

ans second thing my water keeps going yellow/yellow brown in a tank i set up about 2 months ago, its got a miracle gro organic soil and lots of plants, it a 30G tank but barely half full cause i keep newts in it what can i do?
 

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#7 ·
no i didn't take out wood chips actually now I've thought about it, and the wood is new and now you mention it i think it happened in the starter tank with that wood and it was bare bottom how can i make it so the wood doesn't release tannins also, and won't active carbon do something to bacteria or CO2 a read something that active carbon shouldn't be put in walstad tank
 
#8 ·
I am having the same problem, and I used MGOPM. No matter what I do, the tannins will not go away. No matter how much carbon I put in the filter, or how many water changes I do, it's still there. It's only been about three weeks for me, though, so maybe time will help for both of us. Good luck!
 
#9 ·
I run dirted tanks and havn't run into persistent water clouding issues even after I have accidentally broken the cap on occaison during WC's. Carbon has cleared up any cloudiness after flooding a tank for me, so I am not sure what the issue is with amajoh's tank. Cap too thin?

newt newbie, it's not necessary to run activated carbon in a planted tank, but it can be used as a tool to address certain issues, such as excessive tannins, heavy metals, certain medications, etc. It's actually a great substrate for bacteria to grow on, as it is very porous. No issues that I am aware of with c02. The new wood is almost certainly your problem. You should be fine running carbon until it stops leeching tanins.
 
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