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El Natural Diana Walstad's low-maintenance, soil-based 'El Natural' method for keeping plants and fish.

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Old 09-06-2019, 01:22 AM   #11 (permalink)
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Originally Posted by Reediculous_nanotank View Post
Neat! I hope you post pictures of its progress.
Will post some very soon! Most plants are healthy and growing nicely, although the water sensitive plant has some brown dots on its new leaves.. I really hope it survives!

On a sadder note, of the 8 livebearers I recieved from my friend, 3 did not make it. Curiosly, the casualties were three big, pregnant females. The smaller remaining females and the two males look very active for now.

I wonder, would gravid, older livebearer females be more sensitive to the change of environment they experienced when moving from my friend's tank to my tub? I just really hope the deaths are not due to toxicity.
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Old 09-23-2019, 12:53 PM   #12 (permalink)
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Hi everyone!

Just a quick update. Wanted to show you how the plants have grown in the tub. although not all of them survived, the ones that did look rather happy.

I added some shrimp some days ago and new enders today. I have a question regarding oxygen. Do I need to add an air stone or will they survive with the oxygen produced by the plants? I'm afraid it might get depleted during the night... Temperature is at 24 c.

Bests!

Juan

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Old 10-09-2019, 02:39 AM   #13 (permalink)
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just a thought, I'm by no means an expert, but I would be careful to keep anything food-safe let alone alive in such a plastic tub. Some plastics are known to leak hormone-like substances, see for instance https://www.npr.org/2011/03/02/13419...=1570617428580.

tbh I would not be surprised if that's what did your pregnant fish in

Jonathan
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Old 10-09-2019, 03:50 AM   #14 (permalink)
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Default Re: El natural tub cycling

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just a thought, I'm by no means an expert, but I would be careful to keep anything food-safe let alone alive in such a plastic tub. Some plastics are known to leak hormone-like substances, see for instance https://www.npr.org/2011/03/02/13419...=1570617428580.

tbh I would not be surprised if that's what did your pregnant fish in

Jonathan
I raise daphnia in a plastic tub. Daphnia are often used as environmental indicators. If they survive and multiply, fish can.
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Old Today, 04:11 AM   #15 (permalink)
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Default Re: El natural tub cycling

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Originally Posted by jochemspek View Post
just a thought, I'm by no means an expert, but I would be careful to keep anything food-safe let alone alive in such a plastic tub. Some plastics are known to leak hormone-like substances, see for instance https://www.npr.org/2011/03/02/13419...=1570617428580.

tbh I would not be surprised if that's what did your pregnant fish in

Jonathan
Thank you for that interesting information! Although I'm not by any means the first person to use this type of container. I've seen more than one person in this forum using this kind of tub for summer fish and shrimp breeding with success.

I've added new fish (endlers again), which are now healthy and concluded that temperature was to high in the tub, and that was Killing the endlers. It is now at a stable 24 c.

A little picture of one of the pots so you can see how nicely the stem plants are growing!


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