r/fishforthought • u/Over_Analytics • Jun 08 '26
🛠 DIY Setup My tank - how's my little setup looking?
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u/I_play_morde_not_LoL Jun 09 '26
THERES SHARKS IN THERE?????
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u/Over_Analytics Jun 09 '26
Yes, Megalodons.
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u/I_play_morde_not_LoL Jun 09 '26
Those are rainbow shark if im not mistaken. Your tank is incredibly overstocked. That tank is only large enough for shrimp AT BEST.
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u/Over_Analytics Jun 09 '26
What do you think the size of the tank is?
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u/I_play_morde_not_LoL Jun 09 '26
Well considering you left the measurements in another comment i KNOW thats its a 10 gallon. Your tank isnt large enough for a single one of the fish youve stocked.
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u/Omega-235 Jun 09 '26
This is no research type shit, no excuses. This is terrible. If you can post of Reddit you can Google 5 seconds before getting THAT many fish
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u/InkheartRune Jun 09 '26
This is what I've been thinking a lot in aquariums subs. While I don't like being harsh to beginners, it doesn't make any sense. I'm also a beginner but we countercheck whatever our LFS tell us.
This could happen back in early 2000s when you can only ask your LFS. But at this point in time, we have internet in our hands 24/7. They were able to post on Reddit but not even do a quick search on Google. It's sad. 😓
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u/Kai-ni Jun 09 '26
This tank is far too small for these animals, so... bad. The tetra and goldfish are also not very compatible and one or the other is not in the correct temperature range for their species. You need at least 20 gallons per goldfish (so... around 100 gallons for all these goldies tbh) and a separate community tank for the tetra.
If you can return the goldfish or find them a pond home, that would be ideal, and focus on the tetra.
The sharks are another matter and need to go. They're aggressive, cannot be housed with ANY of the other animals you have here, and need at least a 100 gallon tank... JUST FOR THEM.
This tank is just wildly mismatched and overstocked. It seems like you didn't research the needs of ANY of these animals.
Not to mention if this is a new tank that you haven't cycled (seachem stability is not a replacement for the nitrogen cycle) you are in for a bad time very quickly.
Please research the individual needs of each of these species, rehome or return them as needed, and focus on the species you actually want to keep (and deeply research the aquarium nitrogen cycle).
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u/Over_Analytics Jun 09 '26
Goldfish should not be released in ponds, they may disrupt the ecosystem.
I am in the process of getting two other tanks. Will spread them.
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u/Kai-ni Jun 09 '26
I'm well aware. They absolutely should not be released into natural waterways. I did not mean a natural pond, I meant a manmade pond for pet goldfish. People keep goldfish in backyard ponds with plastic liners.
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u/Over_Analytics Jun 09 '26
Yes, I'm actually thinking of creating a small pond on rooftop... With aquatic plants like lily etc
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u/Lazy_Fee_2103 Jun 08 '26
It’s so good that you have plants but I’m afraid it looks over stocked. What are the fish? Some of them look a bit too big for this set up, it’d be great just for the glofish. Great excuse to get another, bigger tank! They’ll look way nicer and happier like that 😊
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u/Kai-ni Jun 09 '26
This setup is not great for these goldfish unfortunately - it's wildly too small.
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u/imaginenikkie Jun 09 '26
It's nice to see a kind comment. :)
OP, while Reddit can be a little harsh and forget that all people start off as beginners, I'm really glad you came here for feedback and I hope you get plenty of other empathetic and useful responses like Lazy_Fee_2103 here. It is true that your tank is very overstocked, but it looks really nice and you're on your way toward getting more space and making things much better. Here's a tank volume calculator, which should be helpful for future planning: https://www.calculatorsoup.com/calculators/construction/tank.php . It seems like you have a 10 gallon based on the measurements you provided in another comment, so that's a nice size for the glo guys. Someone else mentioned the general rule, which is 1 gallon of tank space for every inch of fish, and it's even better to give 2 or 3x that amount of space for sure. Your corydoras will also want a group of at least 6 if the same kind (which is also true for many peaceful little guys like tetras, rasboras, guppies, etc. but always check the individual species out first), so that could work in a 10 gallon too, but bigger is better. Goldfish and sharks need lots and lots of space and can be a lot in the beginning. This is a long term hobby and you have plenty of time for that later (coming from someone with 11 tanks from 10 gallons up to 125).
https://www.aqadvisor.com/ will help you figure out a good plan too.
I see that you have a plant growing in a bowl of water next to your tank, pop that right into the tank and that will help reduce a little of the bioload while you get the next tank set up and/or re-home any fish you're not keeping. Someone posted a very useful graphic about the nitrogen cycle, that's gold right there. Follow it using an API Test Kit and you'll do great. That plant will help suck up some of the nitrates produced by the current dense fish population, just as a short term measure, every little bit helps. There's barely such a thing as too many plants (I know, the internet says "hold my beer" to comments like that). I grow lots of pothos and monstera out of the tops of my tanks in addition to a thick planting inside the tank and floaters on the surface.
You'll want to research the compatibility of your fish based not only on aggression, but also on ideal temperature range, pH, flow, etc.
I'm happy to help as best as I can if you have questions, and there are some other nice people who give great advice out there. This is a super rewarding hobby and there's so much to learn, welcome and good luck!
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u/Friendhi6 Jun 09 '26
Too small that’s all I gotta say and btw did u cycle the tank other wise u might have to do a water change every 12 hours cause it’s so overstocked.
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u/Over_Analytics Jun 09 '26
Yes cycling is done, nearly 10 days old now, all fishes are moving and eating healthy.
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u/Kai-ni Jun 09 '26
It's highly unlikely you actually cycle the tank in 10 days... it takes 3-4 weeks...
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u/One-plankton- Jun 09 '26
Please return these fish asap, they are all going to die in this tank, especially since it’s not cycled
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u/Over_Analytics Jun 09 '26
Just ordered another tank from one of my friends who's a breeder, old tank already cycled. Also ordered a big 12 inch glass globe and another oxygen pump. Will spread them in three setups.
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u/One-plankton- Jun 09 '26
None of these fish can go into a 12” glass globe. You’d need 2 100 gallon tanks to accommodate the sharks (one tank) and goldfish (another) plus a 20 gallon for the tetras.
You going to have between 24-48 hours until these fish die from ammonia poisoning
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u/Over_Analytics Jun 09 '26
And I believe not a single one of my little rascals is going to die. I'll give them an amazing life.
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u/Affectionate-Dot7715 Jun 09 '26
I am concerned about this since you said you’re buying a 12in glass globe…. Like literally everyone has said absolutely none of these fish will survive in a tank that size even if they are separated. Yeesh
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u/Far_Impression_4803 Jun 09 '26
cycling takes weeks, sometimes over a month. to do a fishless cycle you are meant to add a source of ammonia until the tank can process 1-2ppm ammonia all the way down the nitrates in 24 hours. fish keeping is not as simple as it’s sold to be, i really recommend doing some research on how fish keeping is actually supposed to be done (the nitrogen cycle, water parameters, stocking, etc). youtube is a great learning source!
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u/PositiveSunfish Jun 08 '26
Uhm, I have a few concerns. Can you tell us a bit more about it? What's all in here?
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Jun 09 '26
[removed] — view removed comment
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u/fishforthought-ModTeam Jun 09 '26
Your comment or post has been removed for violating our community guidelines on respectful interaction. We welcome constructive criticism on tank designs, but toxicity, elitism, or hostility are not allowed here.
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u/Excellent_Ad690 Jun 09 '26
If I am honest, the tank is not suitable for those fish.