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Old 11-25-2021, 02:50 PM   #1
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Goldfish

Hello!
I have a baby female oranda goldfish I got from my local l
Lfs. She lives in a 40 gallon tank by herself. I was wondering, 1. Should I get her a bigger tank? 2. If I kept her in the 40 gallon, would I have enough room for another goldfish? Does she need a friend? Or is she fine by herself? Any help would be appreciated, this is my first time taking care of a goldfish.

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Old 11-25-2021, 03:17 PM   #2
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Typical recommended size for a goldfish tank is 1 for the first 30 gallons then 10g for each additional goldfish. You can go +1 fish for fancy goldfish.

So, your tank would be good for 2 more fancy goldfish. One thing to be aware of is goldfish are very messy and need a lot of filtration, so you may want to upgrade your filter or add another. Look to be able to filter 60 gallons for another goldfish.

Does your goldfish need a friend? I dont think so, but if your tank and filtration can accommodate one then some company might make it happier.
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Old 11-25-2021, 04:58 PM   #3
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My tank has a HOB cycled filter with a sponge on the end and a sponge filter is this enough for just her?
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Old 11-25-2021, 05:04 PM   #4
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Do you know what size tank the filters are rated for? I would expect it to be sufficient filtration for a single fish. 2 full grown goldfish? You will need filter(s) rated for 60 gallons.
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Old 11-25-2021, 05:10 PM   #5
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Do you know what size tank the filters are rated for? I would expect it to be sufficient filtration for a single fish. 2 full grown goldfish? You will need filter(s) rated for 60 gallons.
My HOB can do 100 gallons an hour, and the sponge filter is quite big, bigger than my goldfish. That's about the best I can describe it😅
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Old 11-25-2021, 11:16 PM   #6
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Which hob do you have? At 100gal/hr it’s likely sized a bit small for a heavy stocking of goldfish

I run an ac70 (300gal/hr) on my 29gal that’s heavily goldfish stocked and it can hold its ground. Water quality is great

In the perfect world, you’d have a pair of filters, both with nearly the capacity the tank requires to offer some redundancy in the event of a failure, or just ease of cleaning (clean one filter at a time, never worry about crashing the cycle)
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Old 11-26-2021, 10:06 AM   #7
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It's a Top Fin Silentstream 40 Power Filter
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Old 11-26-2021, 10:50 AM   #8
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I would say that filter on its own is probably just about good enough for 1 fully grown goldfish. If you wanted to add more fish i would either get another of one of those or uograde to the 75. Short term you could add another fish now with a plan to upgrade when they grow.
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Old 11-26-2021, 01:20 PM   #9
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I do plan to get a better, higher power filter for that tank, but right now, the baby oranda goldfish about 3 weeks old. Thank you so much!
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Old 11-26-2021, 03:33 PM   #10
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Sounds like a good plan, that filter should be fine for now, but they will outgrow it eventually. Gives you time to shop around and wait for a good deal on one!
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Old 11-26-2021, 03:58 PM   #11
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Sounds like a good plan, that filter should be fine for now, but they will outgrow it eventually. Gives you time to shop around and wait for a good deal on one!
Black Friday! Thats now made its way over here too. Complete con though. Yesterdays price £29.99. Today's price £29.99 reduced from £49.99.
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Old 11-26-2021, 04:04 PM   #12
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Haha yup, gotta watch out for those types of deals!

See that a lot here too. Right now petsmart has its amazing Black Friday sale on, yet the sale prices are no different than the sale prices they run off and on 6 months of the year
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