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Old 03-29-2013, 06:32 PM   #16
Clemsons2k
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You need more plant mass for that to be an effective Walsted tank. The heavy plant mass helps filter out unwanted ammonia and nitrate in the water, sort of giving you a "silent cycle". The tank doesn't really cycle in the traditional sense, but the bacteria in the soil that develop will be the ones breaking down the majority of the ammonia from the shrimp and food waste. The plants are there to suck up the residual nitrate once your bacteria develop so you shouldn't have to do many water changes. But these tanks are an equilibrium that you have to get just right. Not enough plants, or too much bioload and its not going to work.
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Old 03-29-2013, 06:47 PM   #17
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With only 5 shrimp, you're not going to have a huge spike, as long as you don't overfeed or add any more critters just yet.

I really like the wood you have in there :-)
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Old 03-29-2013, 06:50 PM   #18
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Default Re: Walstad shrimp cylinder

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Originally Posted by cjyhc4 View Post
With only 5 shrimp, you're not going to have a huge spike, as long as you don't overfeed or add any more critters just yet.

I really like the wood you have in there :-)
Thanks. I was searching quite a while to find one the right shape.
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Old 03-29-2013, 06:54 PM   #19
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Default Re: Walstad shrimp cylinder

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Originally Posted by Clemsons2k View Post
You need more plant mass for that to be an effective Walsted tank. The heavy plant mass helps filter out unwanted ammonia and nitrate in the water, sort of giving you a "silent cycle". The tank doesn't really cycle in the traditional sense, but the bacteria in the soil that develop will be the ones breaking down the majority of the ammonia from the shrimp and food waste. The plants are there to suck up the residual nitrate once your bacteria develop so you shouldn't have to do many water changes. But these tanks are an equilibrium that you have to get just right. Not enough plants, or too much bioload and its not going to work.
Ok cool, i just added some indica and i'll get some more stem plants tomorrow.
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Old 03-29-2013, 06:55 PM   #20
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I had read a pdf by Walstad on how to set up a bowl. I think i found the link on this forum

It says nothing about cycling there. Maybe my plant load is a bit light.
I thought it cycles very fast because of the soil?
The Walstad book is not a practical guide in my opinion. It will explain many processes and reactions in a tank but it's by no means a practical guide on how to start and maintain a tank in good condition.

I haven't seen at least one picture of a tank in that book. The key points mentioned that you need lots of plants to buffer any spikes. Plant take up ammonia before nitrates but they do that too slow to prevent shrimp death. Also, plants will not take up ammonia during the night, bacteria will as they're not light dependent.

You can have a killer ammonia spike that will take out one or two individuals even if the tank is established by over feeding.

I managed to do that in my 10 gal tank:

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Old 03-29-2013, 07:01 PM   #21
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[quote=danielt;2976138]

[/quote

That's a lovely tank. Mine does look very sparse in comparison.
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Old 03-29-2013, 08:26 PM   #22
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It's sparse according to what the Walstad method advocates as well. What I would do in your situation is to fill the tank with as many fast growing stem plants as I can cram in to it

Shrimp will not mind the lack of space, they're not keen on swimming too much. The large surface area will provide food for them. Don't feed them at all just put some Indian Almond Leaves in and let them "undress" them.
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Old 03-29-2013, 09:55 PM   #23
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It's sparse according to what the Walstad method advocates as well. What I would do in your situation is to fill the tank with as many fast growing stem plants as I can cram in to it

Shrimp will not mind the lack of space, they're not keen on swimming too much. The large surface area will provide food for them. Don't feed them at all just put some Indian Almond Leaves in and let them "undress" them.
I'll get on ebay and find some almond leaves and stuff some more plants in. Thank you for your help
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Old 03-29-2013, 10:14 PM   #24
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It is going to look amazing..
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Old 03-30-2013, 03:03 PM   #25
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It is going to look amazing..
Thanks

My friend has given me a cutting of her devils ivy plant to help with the water while i wait for the plants to come. I have just put the roots in with the leaves hanging over the top. Its only a small cutting but is has a few roots.
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Old 03-31-2013, 07:46 PM   #26
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Default Re: Walstad shrimp cylinder

I am still getting rising nitrite and i am changing the water twice a day. i feel that maybe the kindest thing for the shrimp would be to put them in a plastic breeder box in my goldfish tank which is fully cycled and stable until the bowl is sorted. I could put some water sprite in there to hide them from the goldfish so they feel safer. Thone naughty fish will harass them if they can see them.

Any thoughts?
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Old 04-01-2013, 08:57 AM   #27
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Default Re: Walstad shrimp cylinder

Shrimp are now in a breeder box in the goldfish tank.
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Old 04-03-2013, 07:26 AM   #28
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Default Re: Walstad shrimp cylinder

Today water parameters. Might do a small water change.
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Old 04-03-2013, 07:29 AM   #29
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Default Re: Walstad shrimp cylinder

I certainly need more plants in there. Hopefully some will arrive today.

I have noticed some white fuzzy fungus on the leaves of ny ludwigia but there appears to be a few tiny pond snails in there to so hopefully they will munch it.
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Old 04-04-2013, 12:43 PM   #30
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Default Re: Walstad shrimp cylinder

I added four more hydrophila stems, three more ludwigia stems and five rotala indica. They are all crammed in at the back because i really would like to keep the eleocharis.
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