r/fishtank 2d ago

Moderator Announcement Hey There r/fishtank, We need your help!

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23 Upvotes

Hi folks, I’m NatCom or Keiko! And this little frog here is one of my babies Opal. I’m the newest hire to the r/fishtank moderator team! I’d say I was a personality hire… but you’ll have to tell me 😉

Anyways, we need YOUR help, I was brought on with the goal in mind of improving this community and making it just that a community!

We want to know what changes we can make for you to feel like a part of that community.

Our mod team is already hard at work on changes to make this place all the more exciting, engaging, yet still educating for beginners, but obviously we can’t make that happen with our the very people of the place we’re trying to make!

Leave a comment below and let us know what we can do! Thank you so much for your support and I hope you’ll continue your support in our new horizons.


r/fishtank 8h ago

Help/Advice Hi, I have a question. This friend arrived uninvited. Is he good, is he a pest, or what should I do with him?

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47 Upvotes

I bought some new plants recently, so I think that they came from here.


r/fishtank 5h ago

Help/Advice Should I remove the “wrapping” around the base of the Anacharis?

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7 Upvotes

I’m a total newb. Tank is established, but decided to get some live plants instead of the plastic stuff that came with it.

Do I take this wrapper off that’s holding these stems together? It’s holding about 4 stems, and feel like I should remove. But checking in first!


r/fishtank 3h ago

Help/Advice What do I do

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4 Upvotes

I woke up to a bunch of sand stuff from my filter spilled all in my tank and I'm so overwhelmed I have no clue where to start I want to get all of it out but I just don't know how to go about that sorry for the way this is worded I'm so stressed


r/fishtank 2h ago

Help/Advice I want to setup a tank, starting with just plants first, what are my options?

3 Upvotes

Wanting a freshwater tank, looking for plant recs to stock it with first. I’ll probably only get a 10gal since my house is already crowded😂


r/fishtank 49m ago

Help/Advice Fish tank

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Upvotes

So I got this tank for free I was just wondering how do I clean it like what do I use that won’t hurt the fish when I put them in later. Also do you guys know how much gallon it is ?


r/fishtank 4h ago

Help/Advice what is the best fish to be a pet

4 Upvotes

r/fishtank 4h ago

Help/Advice mystery organism

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3 Upvotes

does anybody know what these small crustacean looking things are? amphipods?


r/fishtank 5h ago

Discussion/Article Reddit Tank

3 Upvotes

Hey everyone I’ve seen some cool stuff on here and I like how everyone is pretty helpful unlike the Facebook pages can be I’m going to be moving soon and broke down all my tanks except one well once I’m moved what do you all think about a Reddit inspired community tank? Not asking for anyone to send me anything only thing I will ask for is suggestions and will be solely Reddit inspired


r/fishtank 5h ago

Help/Advice Help me please

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3 Upvotes

Hi guys i just need to know what snail this is i got plants from a friend and she also gave me her two nitrite snails but im pretty confident this is not a nitrite snail baby and have no clue what kind it is.


r/fishtank 1h ago

Help/Advice Restarting fish tank (new and no fish) and need advice on how to clean it.

Upvotes

Hi! I’m restarting my 5 gallon Fluval Spec V for a betta, and I’m being extra cautious because I don’t want to end up with any pest snails. I originally added live plants, but I decided to remove and donate all of them—except for a few floating plants at the top that I really like and want to keep. The plants, spiderwood, and everything else were in the tank for about 18 hours total. I didn’t see any snails or eggs, but I know they can be hard to spot, and I just want to be 100% sure I’m starting clean.

I’m using new gravel, not using charcoal, and will just be running fish floss and the biological media it came with through the side filter. I know this is probably overkill, but I’m okay with that—I just want to avoid issues later.

What’s the best way to clean everything before I set it back up? Will a hot water rinse and letting the tank air dry overnight be enough? Do I need to do anything special for the spiderwood or the floaters? I don’t want to harm anything, but I also want to make sure I don’t miss anything that could lead to a pest problem later on.

I know this is probably over the top but it’s just for my peace of mind lol. Thanks.


r/fishtank 1h ago

Help/Advice I want some opinions.

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Upvotes

So I have 3 Assorted angelfish in the tank currently and I plan on getting Cory catfish, loaches and snails. Does anyone have any other fish suggestions. It’s a 10 gallon tank if that helps at all


r/fishtank 2h ago

Help/Advice Extremely high phospate levels

1 Upvotes

I currently have a 10 gal freshwater community tank with neos, white clouds, cories, and a algae eater (I forget what it's called im sorry). I've been regularly testing my pH, gH, kH, and nitrate levels to monitor my water while doing water changes every week/2 weeks as I see fit. Recently I've noticed a growth of hair algea and today I noticed it like tripled overnight. I decide to test my phosphates ... it's so high I cannot read the number it's literally off the chart (over 2.0mg/l).

I tested my tap water and it's realitivly fine (0.25mg/l), nothing that would cause this from what I can understand. I do not over feed, I feed probably every other day and enough that all food is eaten within 5-10 minuets. I have no dead fish or plants in my tank. My light is on a timer, 8 hours a day no direct or indirect sunlight. I've had issues with too many tds so my water changes have recently been done with distilled water to get it down.

Current water parameters: pH: 6.6, gH: 7dGH, kH: 2dKH, NO3: 0mg/l, PO4: >2.0mg/l

Help?!?!?!??!?!?!?!?!?!?


r/fishtank 3h ago

Help/Advice Would you guys use transparent plastic containers as tanks?

1 Upvotes

I’d love to have gold fish but prices for tanks that are over 20 are soo expensive! I’ve had pretty bad experiences with second hand tanks so I don’t trust them much. I’ve seen a few people having big plastic bins as fish tank and I was wondering if I could trust them? I’m scared they’ll loose their shape or break due to the water inside


r/fishtank 4h ago

Help/Advice Heater overheating?

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1 Upvotes

I noticed this burn mark on my heater recently. I just bought it a month ago and don’t understand why this is happening. My thermometer is reading 78 degrees consistently. Should I replace it or just submerge it lower in the tank?? Plz help me haha


r/fishtank 4h ago

Show & Tell Meet Zinovia!

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1 Upvotes

This is my newest aquatic addition, Zinovia, a young orange and yellow honey gourami who hasn’t quite matured into his adult coloration. He’s only about an inch long right now, but he has beautiful banding of orange on his feelers and glimmering orange eyes!


r/fishtank 4h ago

Show & Tell Top 3 Beginner Fish That Are Nearly Impossible to Kill

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1 Upvotes

r/fishtank 4h ago

Show & Tell First Fish Tank Setup? Avoid These 5 Beginner Mistakes (Must-Know Tips)

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1 Upvotes

r/fishtank 8h ago

Help/Advice What Can I do

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2 Upvotes

What can I do to improve my fish tank and make it more fun for the fish?


r/fishtank 6h ago

Help/Advice Newbie inherited a friend's tank, where to start?

1 Upvotes

Friend is moving and has left me a 20g freshwater tank with some fish.

I want to take care of it the best I can, of course!

One thing I am noticing is that the housing that contains the filtering components appears quite grimy; there's a biofilm coating most of the interior. I understand that I don't want to clean things too much, so as to preserve beneficial bacteria.

On the other hand, I don't want to grow anything nasty that might be detrimental.

If you received a tank and filter setup, how would you go about getting things to a state you are happy with?


r/fishtank 16h ago

Help/Advice Is she pregnant?

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5 Upvotes

I had this female guppy in my 20 gallon community tank for well over a month. Her tankmates are another female guppy, a male guppy, rummy nose tetras and panda corydoras.

Today i noticed her not actively swimming in the top to mid section, and instead was in the bottom, back, swimming weirdly. She seperated herself from all the other fish and kept hiding away.

Her eyes turned all black again and her belly much bigger than the other female. I put her in an isolated container floating in the 20 gal. Is she pregnant or about to give birth?


r/fishtank 16h ago

Help/Advice Guppy fry care

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3 Upvotes

My pregnant guppy just gave birth to 2 fry. Its my first time with newborn fish so please help guide me to care for the fry properly. Any advice is much appreciated. How should i go about raising them? What to feed them, and when can they go into the tank. Is the ball shaped One a goner or its just normal?

In 2 days i will be leaving to a trip for over a week (worst timing).


r/fishtank 18h ago

Help/Advice Help

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4 Upvotes

It’s been awhile since I’ve had a tank. Is this too much air?? I wanted a super strong filter, but worried this might be too strong.


r/fishtank 21h ago

Help/Advice Sick Mystery Snail?

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6 Upvotes

Hello all. Tank parameters in my 30 gal have been perfect* and stable for some time, until about a week ago when we had a dip in pH. Down to 6.8/7 from its usual 7.2/7.4. A few days ago I noticed my large mystery snail, Rosetta, was moving much less than usual, she is usually insanely active, literally almost never stops. After getting the pH back to 7.4 she seemed better for a day and is now sitting like this in the corner. Not sure what to do for her :( Don't want to move her and stress her more but also don't want to just let her suffer even though the pH is better now. All fish acting completely normal and had no reaction to the pH dip.

  • Parameters Am 0 ppm Nitrite 0 ppm Nitrate 0-2 ppm ph WAS 6.8 pH NOW 7.4

r/fishtank 1d ago

Help/Advice Is my Molly ok?

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14 Upvotes

Just got this Molly last weekend and I'm noticing she looks rather rounded and has white looking string hanging? I know that could be poop but makes me wonder if something else is going on with the roundness too. Thinking she could be pregnant too? Has been hanging out by herself around the top of the filter the past couple days.


r/fishtank 1d ago

Help/Advice Walmart gravel vac

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12 Upvotes

I've been eyeing this gravel vac for my 10g for a while now and I'm wondering if it's reliable for fishtanks or if it will break down easily, it's retail price is only 11$ so I have some worries about it