r/fishtank • • 1h ago

UNSAFE TANK SETUP Why all the fishes in my tank are resting in bottom even gurami, they are top feeders?

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• Upvotes

r/fishtank • • 2h ago

Help/Advice Emergency!!!! What is wrong? It’s barely pushing out water and putting debris in the water or something along those lines

1 Upvotes

Please help me my shrimp literally just bred for the first time since I got them and now this is happening, I’ve done 2 water changes trying to suck the stuff out and then the back would lose water I’d fill it up and then there’d be more, I rung out the media thing and I’m stuck, is it as simple as needing a new media thing or do I need a different filter and should I put them in a different tank right away?


r/fishtank • • 5h ago

Freshwater Community Tank Recommendation

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1 Upvotes

r/fishtank • • 5h ago

Help/Advice Help out a fish nanny!!

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1 Upvotes

I am taking care of one beta fish and NINE African dwarf frogs for my friend while they are abroad. The tank is 20 Gal. The algae on the opposite side of the filter is out of control and my nitrates are just starting to climb. Any beginner friendly cleaning tips would be appreciated!!


r/fishtank • • 5h ago

Help/Advice What is going on with my Glofish?

1 Upvotes

r/fishtank • • 5h ago

UNSAFE TANK SETUP Tank set up! ♥️

0 Upvotes

r/fishtank • • 6h ago

Help/Advice Before and after of un-level tank stand

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1 Upvotes

Need help with stand please


r/fishtank • • 6h ago

Help/Advice Please help! First time fish owner and a rescued fish.

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6 Upvotes

My grandfather was housing someone for a bit and they left their fish behind. I offered to take the tank because my family were going to throw the fish out. I've never had a fish and am not able to contact the previous owner.

I got some water conditioner and changed out a bit of the water when transferring her to my house, but I'm so worried I'm going to kill her. I went to the pet store and the person there said the tank I have already has oxygenation, filtration, and a heater, but I only showed a picture and I'm not sure. The person also left a "top fin heater" should I use that? How high should water in the tank be and how much should I feed her? She had a big poop today I'm worried I'm over feeding her.

There's also two snails in there, I'm pretty sure ones dead now. What do I feed them? Are they ok in there?

The person at the pet store thinks she's a molly? I say she cause I thought she might be pregnant somehow. Thank you for your time.


r/fishtank • • 8h ago

Help/Advice Algea question

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2 Upvotes

I am having a miserable time finding chlorella to buy for a daphia microtank I am planning to set up&once a week I have to wash off a layer of bright green algea off the bottom of this humidifier...could I add the algea-water to that tank to feed the daphnia?? The humidifier has only ever had distilled water.

I had this thought right after I got done rinsing it. The pic i added is kinda what it looks like. Google told me no because of the what you could add to the water which I never have.


r/fishtank • • 10h ago

Help/Advice I’m new to fish tanks. Help

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3 Upvotes

Hi. Four months ago a friend of a friend wanted to get rid of her fish tank and now it’s mine, but I’m full of doubts.

There are 3 glofish, and they where doing pretty well, but my dad got me 3 more like 2 months ago and they died unexpectedly last week (another species). Not sure what happened, but since then the fish eat less and pebbles are getting really dirty and I don’t know how I should clean them or what to do.

They seam to eat and end up spitting it afterwards.

Here are some pics of the food I got at my local pet shop and my fishies if anyone wants to give me some advice!


r/fishtank • • 13h ago

Help/Advice Currently treating with Fritz coppersafe, it’s been almost two weeks and I haven’t noticed much change. Any clue what this is?

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3 Upvotes

r/fishtank • • 13h ago

Help/Advice Water clarity chemicals

1 Upvotes

Has anyone had any experience with API Accu-clear or Seachem Clarity? Any advice is muchly appreciated!


r/fishtank • • 14h ago

Blackwater stocking ideas!!!

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1 Upvotes

so i set up this 60l tank for pea puffers BUT the closest store that has them is 3hrs away and they currently dont have them in stock. they also said that i can call in 3 weeks and check if theyre in stock which is not guaranteed.

so because of this, i decided to rehome my 6 cardinal tetras to this 60l tank because my new betta wasnt enjoying them and came to the conclusion that since i have another 60l thats not set up yet, i can stock this tank and have fish here for like a year and then when i set up the third one, i move the fish from this tank into the other one and stock 6 peas here.

so i had this idea that into this 60l i would stock 6 kuhlis and 2 dwarf gouramis with my current 6 cardinal tetras and then move the cardinals and gouramis to the other tank and keep 6kuhlis with my 6 peas. Is this ok? too overstocked?


r/fishtank • • 15h ago

Freshwater My 45g tank

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1 Upvotes

r/fishtank • • 17h ago

Help/Advice I recently got myself a 60 liters (15 gallons) tank, I originally wanted golden wonder killifish but I know they prefer bigger aquariums, I was wondering that because the tank is 61x38x30cm (24x15x12 inches) it being so long and shallow could still house golden wonder killifish

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6 Upvotes

photo by Hristo Hristov


r/fishtank • • 18h ago

Help/Advice How can I improve my tank ?

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6 Upvotes

r/fishtank • • 19h ago

Help/Advice Qu'est-ce que tu en penses ?

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2 Upvotes

Date de 2 jours


r/fishtank • • 21h ago

Help/Advice Hello group members. I have two external filters: on the right side, there is a filter with both its intake and output, and on the left side, there is another filter—also with both its intake and output. Would you change this setup? If so, please let me know.

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1 Upvotes

Hello group members. I have two external filters: on the right side, there is a filter with both its intake and output, and on the left side, there is another filter—also with both its intake and output. Would you change this setup? If so, please let me know.


r/fishtank • • 22h ago

Help/Advice Novice Aquarium Assistance

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2 Upvotes

Hey. I am in need of some help. I got my toddler a fish tank for his birthday. I enjoyed the setup process and loved how it turned out but my fish keep dying. I started it back in early September. I went with volcanic substrate because I read that plants thrive in it. I added a few plants, pieces of driftwood, and some neon plants to help keep my kid interested. I also have a small heater reading 74°F and it holds steady.

It was fish free for 3 weeks-all levels (pH, hardness, nitrates, etc.) all came out in perfect range. I added fish (tetras and danios), shrimp, and a snail. All was fine and dandy for a few weeks (pH, water level, fish activity) and then the pH crashed to apparently very acidic. We had a few fish and shrimp casualties. I bought and added API pH up. I did this for a few days and everything went back to normal. Then two days ago I retested pH and it was back to acidic so I gave it one dose of the API pH up and overnight I had 3 fish die.


r/fishtank • • 23h ago

Help/Advice Need help on filter placement and cloudy water

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1 Upvotes

r/fishtank • • 1d ago

Help/Advice Need advice

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1 Upvotes

r/fishtank • • 1d ago

Plants What kind of moss is this?

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19 Upvotes

Title says it all!

I saw this short, fuzzy moss start growing on the bubbler sponge, but I cant pin down exactly what kind it is. It's been growing over the last couple months to this point, the shrimp love it, and I think it looks really cute

I wanted to make sure it was a good moss before I start trying to get it to grow other places in the tank haha


r/fishtank • • 1d ago

Help/Advice Recommendations for predator fish

0 Upvotes

I have a 55 gallon tank with 2 smaller tilapia and 1 about 4 or 5 in cichlid. I want to a predator that would be able go est smaller live fish. Also I wouldn’t really mind if the predator fish eat the tilapias. Thank you

Edit: the tilapia are less then 2 inches and it’s a fullebourni cichlid that I was planing on relocating if I get a predator


r/fishtank • • 1d ago

Help/Advice algae/debris clean up

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1 Upvotes

r/fishtank • • 1d ago

Help/Advice Tank bottom

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2 Upvotes

I unwillingly inherited a fish tank from an old roommate and I’m trying to care for them without any knowledge of how to treat a tank.

Anyways, I’ve noticed a bunch of this debris all along the fish tank floor and while the long skinny fish don’t seem too bothered by it, it doesn’t look like it should be like that. I can’t find anything on google because idk really know what it’s called to search for it.