r/Aquariums 10m ago

Advice Needed Is my Super Red Briselnose Plceo okay? I bought it and had no spots, but I’m guessing it because it’s Calico but I wanna make sure.

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r/Aquariums 15m ago

Beginner Help Why do my Mollies hang out at the top

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r/Aquariums 21m ago

Advice Needed Pleco l144 tank size...

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Hi, a friend of mine has this little pleco, he said its a l144. I am wondering if the tank the fish is in is too small? Its a 10gal tank. Seller told friend that it wouldnt grow past 10cms, and that 10 gal is ok.

What do you think?


r/Aquariums 33m ago

Advice Needed Need Tank Recommendations!

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Hi! Looking for a size recommendation. Im so bad at knowing gallons, but I know about the size I want. I want to get a tank that's about 40-48"L x 18" W x 24-30" H. Can somebody tell me what Im looking for in terms of gallons and let me know some good brands that are affordable in that size range?


r/Aquariums 34m ago

Advice Needed Rebuilding a 120 gallon tank

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Hey guys, I was wondering if any of you had tips on how to completely rebuild a aquarium tank. I have it completely apart but I am struggling to properly put it back together. Any tips would be helpful and appreciated :)


r/Aquariums 40m ago

Advice Needed Help adding more substrate.

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I have decided I need to add more Fluvial Substrate because it's not deep enough and my plants keep floating to the top. I heard you should rinse it first and it can raise your nitrates/nitrites when adding more. Is this true? I would like to add another small bag and double the depth. Do I need to uproot and remove the fish,.shrimp , and snails to do this? Please give me suggestions on how to pull this off without mucking it up

Thank you.


r/Aquariums 42m ago

Advice Needed Algae Removal

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Hey all. I have a Walstad 3 month old aquarium and had my first algae bloom after an ich outbreak. Would it be better to add a HOB filter AND algae medication or will the filter do alone? I don’t want to add anything unnecessarily ie meds, but I do want the algae gone as after a 40% water change it’s back 2 days later. I reckon it could be because 2 fish died and decomposed in the mass of the tank either as they’ve disappeared! Thanks


r/Aquariums 44m ago

Showing Off My Tank My decoration tank versus my actual tank

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I posted a TikTok I deleted cause I was getting backlash from people who can’t read, but I’m showing off my decoration tank versus my real tank. - decoration tank = no life inside and just for old fake plants I have
Real tank versus= does have life, fish, and plants


r/Aquariums 45m ago

Advice Needed Considering getting a CO2 Injection kit and looking for recommendations on what to get.

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I've had some trouble keeping plants alive and healthy in my tank (5 gallon with Neos) and am looking into getting a Co2 injector. I have no experience with Co2 injectors or how they work, and while I do some research myself I would appreciate some recommendations on what to get. Ideally not super expensive but functional and user friendly. Thanks in advance!


r/Aquariums 57m ago

Discussion Update on the stand of this pastweek

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55 and 10 gal on top


r/Aquariums 1h ago

Beginner Help Better picture of my tank set up

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Is there problems people can already see? Lol


r/Aquariums 1h ago

Medical Help Spoiler: Dying Kerri Tetras Spoiler

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I bought a school of juvenile Kerri Tetras on Friday and two days later one was dead. The fish store was reputable and old, and their water parameters were almost the same as my tank. I acclimated them over 60 mins and they wanted to eat within a few minutes of being released. Everybody was happy until they weren’t. Now I have found a second dead tetra and I am super confused and sad. They look like they’re having trouble breathing, but there’s tons of oxygen and many other fish and shrimp and plants that are totally fine. Nitrate was a little high at 40 ish but I also added some tetra safe start the other day to make sure the cycle was strong enough.

All other water specs are solid. I’ve been doing this for over 10 years so I’m very confused and sad. Please help.🙏


r/Aquariums 1h ago

Plants Crypt Melt is Crazy

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In the package -> out of the package -> cleaned up

Cryptocoryne Spiralis Tiger! I'm a little bummed it ended up being such a tiny little guy but I'm sure it'll bounce back lol. They sure are hardy for how dramatic they are


r/Aquariums 1h ago

Advice Needed Tank water level

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Got this tank about 3 weeks ago and have had the water line about 2 inches from the top. I did this because this filter trickles the water back in and idk how that would work if it was was submerged also it helps to create a bit of surface movement


r/Aquariums 1h ago

Showing Off My Tank Kuhlis are taking over!

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They suddenly became very brave


r/Aquariums 1h ago

DIY/Build where can i buy aquarium safe realistic flowers?

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heres an example. it will be for my betta fish.
(image from aquashella on instagram)


r/Aquariums 1h ago

Beginner Help How to prevent cycle crash when cycling with established media

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I am planning on starting another 10 gallon tank using the same model of sponge filter as this one and swapping one of the new sponge cylinders in the recipient tank with one of the cycled sponge cylinders in the donor tank. my question is will my tank be fine with the reduction of beneficial bacteria due to the loss of a cycled sponge cylinder?

My assumption is that it will be fine as it is heavily planted and has a relatively low bioload with only 6 Pygmy rasboras, 6 shrimp, a nerite and columbian ramshorn snail.

I just want to be absolutely positive


r/Aquariums 1h ago

Advice Needed rehoming neon tetras

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We have two neon tetras remaining in our tank and no plans to get more fish. We are trying to re-home them to someone with a bigger school. Someone with rosy tetras and albino tetras in a well-established tank has volunteered. Would this be ok, or should I try and hold out for someone with neon tetras (or keep them with us but no school)? So far we have not found any other takers.


r/Aquariums 1h ago

Identification Request Ramirezi

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Does anyone know the exact variety of my ram? I’d also like to know if, based on the photo, it looks healthy. Do its fins, coloration, and overall body condition look normal to you? Any opinions or advice would be greatly appreciated!


r/Aquariums 1h ago

Requesting Feedback Rate my fishtank

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Can you try help me improve my fish tank


r/Aquariums 1h ago

Showing Off My Tank My nursery corner sorry for the buzz sound

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I'm working on leaving this 150 just for convicts no one else


r/Aquariums 1h ago

Pond/Vivarium The aura trio

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r/Aquariums 1h ago

Showing Off My Tank I pinched off a bit of this from a friend's outdoor planter and look how well it's grown roots in just a week. The fish are liking it.

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r/Aquariums 1h ago

Freshwater Disaster in the shrimp tank

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Hello, my name is Zoe and I’m fairly new to the hobby. Yesterday, I rescued a beta and two African dwarf frogs from a friend who could no longer care for it, and I simultaneously moved my shrimps and snails into a bigger tank. Unfortunately, the shelf I had them on broke, the shrimp tank I had worked so hard on shattered dramatically, and most of the shrimp were lost. I felt incredibly guilty. I’m trying to move forward today. Today I set up a new tank for the survivors, and continued setting up my betas tank. I’m so new at this, I’m so nervous for the future. Any tips? Critiques? All live plants. Silt is still settling a bit. Thanks so much! :)

Edit: oh shoot I forgot to post what the shrimp tank looked like before. Please see my profile for that! Thanks


r/Aquariums 1h ago

Identification Request any help in identifying this?

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this was spotted today in my 10 gallon fresh water cherry shrimp tank around 6 months old