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New to Kokos, having trouble with biocube set up.


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Hi all!

Used to keep goldfish a long time ago. I just decided to start up again. I have a secondhand biocube that has been giving my ranchu a bit of a hard time. When it is on, she just sits in one corner and doesn't really move. I think its because the output is too strong for her (shes a chubby lil thing with itty bitty fins). Has anyone modified an outflow to be a little less strong? I tried to put a bit of filter pad in the hole but it just doesn't stay. We just got over a case of fin rot and ich, and so right now all I have running is a sponge filter which is not enough.

 

Anyways my little nugget is Andromeda (:

37F6FFE6-4A3E-4DE6-9426-97EDDFEB5BAD.jpeg

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Hi! Welcome to the forum.

Could you possibly give us some more info on your set up? E.g. tank size and water parameters. :)

You may find with extra water changes sponge filtration may be adequate, just keep monitoring your water!

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most issues related to fish not feeling well are due to poor water conditions. what are your ammonia, nitrite, nitrate, and ph. How often do you change the water, how much water do you change, What type of conditioner do you use

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Tank is 29g, ammonia and nitrite at 0 and nitrates at 10. She doesn't seem to be feeling ill, it seems like she has a hard time swimming against the current of the pump in the tank. With the sponge filter shes totally fine.

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3 hours ago, heckittie said:

Tank is 29g, ammonia and nitrite at 0 and nitrates at 10. She doesn't seem to be feeling ill, it seems like she has a hard time swimming against the current of the pump in the tank. With the sponge filter shes totally fine.

What type of filter is the original one?

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35 minutes ago, hannah said:

What type of filter is the original one?

It’s a ~300 gph sump type filter with a power head, the biocube comes with a built in one. I decided to swap it out for a lower output pump and she’s bottom sitting again >.< now I’m thinking it’s probably water quality but the only weird value is my pH is apparently unstable. Out of the faucet it’s testing at 7.2 now and the tank barely registers at 6.2. I don’t have the tests for kH or gH either.

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48 minutes ago, heckittie said:

It’s a ~300 gph sump type filter with a power head, the biocube comes with a built in one. I decided to swap it out for a lower output pump and she’s bottom sitting again >.< now I’m thinking it’s probably water quality but the only weird value is my pH is apparently unstable. Out of the faucet it’s testing at 7.2 now and the tank barely registers at 6.2. I don’t have the tests for kH or gH either.

Okay bare with me, I know very little about sump filters. What does the filter outlet look like?

Goldfish can definitely be maintained with sponge filters if you need to!

You can add crushed coral to the filter system to buffer your water, use Bicarb of Soda or you can buy products such as Gold Buffer

https://kokosgoldfish.invisionzone.com/topic/110296-stabilizing-your-tank-ph-with-sodium-bicarbonate-baking-soda/

https://kokosgoldfish.invisionzone.com/index.html/water-quality-articles/ph-kh-problems-r205/

https://kokosgoldfish.invisionzone.com/index.html/water-quality-articles/crushed-coral-quantities-r195/

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19 minutes ago, hannah said:

Okay bare with me, I know very little about sump filters. What does the filter outlet look like?

Goldfish can definitely be maintained with sponge filters if you need to!

You can add crushed coral to the filter system to buffer your water, use Bicarb of Soda or you can buy products such as Gold Buffer

https://kokosgoldfish.invisionzone.com/topic/110296-stabilizing-your-tank-ph-with-sodium-bicarbonate-baking-soda/

https://kokosgoldfish.invisionzone.com/index.html/water-quality-articles/ph-kh-problems-r205/

https://kokosgoldfish.invisionzone.com/index.html/water-quality-articles/crushed-coral-quantities-r195/

The outlet is just a small hard plastic tube. I did get a bigger sponge filter to put in there so I’m hoping if I can get the pH situated she will perk back up.

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Is there any way you could attach a spray bar? That may help diffuse it a little

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14 minutes ago, hannah said:

Is there any way you could attach a spray bar? That may help diffuse it a little

Ooh that’s a good idea. I’ll have to look into that and see if there’s one I can make fit out the outflow. Thanks!

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