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Questions tagged [aquarium]

Indoor containers holding water and creatures (fish, crustaceans, snails, etc.). For specificity, consider adding a "freshwater" or "saltwater" tag.

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Does the official SeaMonkey "Water Purifier" contain eggs?

Question: Does the official SeaMonkey "Water Purifier" contain eggs? Or is exclusively minerals and water conditioner? Thank you so much for any help you can provide.
SpreadingKindness's user avatar
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Life in fresh water vs. marine

I can understand why fresh water beings cannot live in salty water. The salt in the marine water acts against the organs of the beings as sand acts against the mechanism of a clock - it grinds it. But ...
virolino's user avatar
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Do I need to do anything to premade salt water before adding creatures?

I purchased some pre-made salt water for a brand new tank/aquarium. Do I need to do anything else to it before adding animals to the tank? This is the premade water: https://www.petco.com/shop/en/...
SpreadingKindness's user avatar
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What minimum size tank is suitable for coral?

I was told that you can keep them in just about any tank but am somewhat skeptical. Can I really keep coral in a small tank? Or do I need a big fishtank? TL;DR What size aquarium (gallon/liters) is ...
SpreadingKindness's user avatar
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What is the minimum tank size for two snails (Nassarius and Nerite)?

I was wondering if you could help answer a question for me. What is the minimum tank size necessary for a Nassarius and Nerite Snail (saltwater)? My local fish shop has told me any size but wanted to ...
Kitty Cat's user avatar
1 vote
1 answer
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Is it dangerous to move aquatic snails?

I have some lovely aquatic snails. The only issue is that I move between places semi-frequently. My current thought was that I can keep them in one aquarium for some time and then when I move I can ...
Kitty Cat's user avatar
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what is the powder on my fish tank? [duplicate]

I have a white power like substance on the upper 1/8th of my fish tank and filters. I wash and wipe it, but it never really goes away. What is it and how do I get rid of it? Full disclosure - I am not ...
Marinaio's user avatar
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2 votes
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Pottery clay for aquarium

I just discovered nearby a pottery club, and I was thinking to create myself a few ornaments myself. Actually, I kind of have in mind hiding spots for the bottom dwellers. So the question is: it ...
virolino's user avatar
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2 votes
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How to prepare outdoor aquarium before adding fishes?

I am trying to setup my first aquarium with 8 Chili Rasboras. The tank is to be set outside in a large pot with a submerged lotus pot in the center. On the sides I have added sand (youtube said fishes ...
Baxu's user avatar
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What is a safe paint to use in an aquarium?

I am building a wooden lid for my tank. I want to paint the interior that may touch the water white. I wish to stain and paint the rest clear. What paint is safe to do this?
Jamey McElveen's user avatar
3 votes
1 answer
151 views

Goldfish constantly gulping but not eating

We are in the middle of a first time fish-in cycle (an aquarium gift from a well-meaning grandparent). We have a 2 inch Comet goldfish, who has been surviving the ordeal like a champ... until today. ...
user27577's user avatar
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Is my platy still pregnant?

First time trying to keep fry alive here so have been keeping an eye on this mummy fish. A few days ago she looked alot "rounder" now she appears a little flat? I'm aware they get a boxy ...
Nelly's user avatar
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1 answer
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Can I use garden soil for aquascape?

I have some excess garden soil with goat’s poop in it. I was wondering if I could use it as an aquarium substrate, because I want to plant some easy-growing aquatic plants in my aquariums. Aquarium ...
Dini's user avatar
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33 views

Does anyone know this aquatic plant?

Does anyone know this plants? And will it grow sideways?
Dini's user avatar
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2 votes
2 answers
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Algae will not go away!!!! And snails, too!

Images, regional, and general info: Image 1: Strands of dark-green algae are attached to the bottom and floating in the air; algae all over the plants. Image 2: Over-rich substrate? When I hold the ...
Wolfpack'08's user avatar
1 vote
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Molly fish still has popeye after numerous water changes and medication

I have some black mollies that developed popeye. I noticed a subtle white area toward the back of their body (that doesn't look like fungus or ich), and there's possible inflammation of their gills. ...
EJoshuaS - Stand with Ukraine's user avatar
3 votes
1 answer
94 views

How to properly lower PH while cycling a tank?

So I am a one time betta owner and while I fell like I did alright with my last Betta (his name was Columbus and he lived a happy three years with me) I really want my next fish to have a wonderful ...
Abigail Crumbie's user avatar
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Why does my goldfish have red under their chin, like a graze?

I've been lumped with caring for the office goldfish tank. Trying to do my best, I've cared for tropicals before. One of the goldfish in the tank, my favourite, has recently started developing a ...
ConnieMnemonic's user avatar
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New Molly babies

I bought a Dalmatian Molly today. She is the only fish on the tank. She’s only been in her tank 5 hours and I just got home and found 3 babies. Stores are closed as it’s late Sunday night. What do I ...
Brittany's user avatar
2 votes
0 answers
34 views

Treating columnaris in aquarium

I have a 100L aquarium with 11x melanotaenias boesemani and 15x corydoras (5x each of bronze, pepper, julii). A few days ago I noticed several patches of white film on one of the juliis and it seems ...
georgiosd's user avatar
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3 votes
1 answer
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Red fin-like protrusions from gils

[New aquarium owner. Pardon any lack of basic knowledge or incorrect terminology.] My fish has some weird red protrusions coming out from the bottom part of its gills that look like either "...
Vladimir's user avatar
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1 answer
104 views

disappearing hermit crab? [duplicate]

I was spraying and feeding my crabs last night when I realized there was one missing. I only have 3 hermit crabs now so every-time I go over to them I check and just make sure I can see them or where ...
a hepb's user avatar
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0 votes
3 answers
98 views

Does old glass in an aquarium affect the water color?

I have a very old tank. We cleaned the tank out thoroughly by doing the following. Took out the old gravel and replaced it. Scrubbed the walls of the tank as well. Despite that, the water is still a ...
linda's user avatar
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1 answer
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Brown silt forming ontop of aquasoil?

I have a 55 gallon freshwater tank with ADA aquasoil and have noticed that the dirt has started to have some type of brown silt forming ontop of it. It's not spread throughout the entire tank, I ...
MFerguson's user avatar
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Male Platy clamping fins and hiding

I got 7 coral red platy for a planted ten gallon tank about two months ago. The water conditions are very good and the temperature is 76. I have 3 males and 4 females, and they have been breeding so I ...
kaori_fish's user avatar
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What Type of Goumi is this?

I have 1 goumi and I can't figure out what type he is? I think that it could be a Red Fire Dwarf Gourami but not sure.
ILOVEANIMALS's user avatar
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1 answer
105 views

What type of snail is this?

I bought some fish from a pet store and a few weeks later I noticed that there were a few snails in my tank and now it has been 2 months since I bought them home and there are a lot more then what I ...
ILOVEANIMALS's user avatar
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0 answers
82 views

Medicine for Aquarium Fish wound

Any tips on how to treat the fish's wound in the linked photo, including what medication to use? Additionally, I'm new at making fish and I've only had my new fish for three days. I only became aware ...
mapmath's user avatar
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1 vote
1 answer
120 views

Why are the leaves of my aquatic plant still yellowing in spite of fertilizing them?

I have a 29-gallon planted tank with mollies, mystery snails, and several live plants. One of my plants has been showing signs of yellowing leaves: I use Seachem's Potassium, Nitrogen, Phosphate, and ...
EJoshuaS - Stand with Ukraine's user avatar
4 votes
1 answer
162 views

Whats wrong with my danio?

I have a 29 gallon, planted tropical aquarium with 6 assorted danios, two golden bristlenose, and three rainbow kribs (two female and one male) Ammonia... 0 ppm Nitrites...0 ppm Nitrates... 0-5ppm Ph....
Lani's user avatar
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2 votes
0 answers
208 views

What is the maximum size Plecostomus that can be kept in a 30 gallon tank?

We have a regular 30-gallon fish tank. We have two Plecostomus fish, and they are about 9 inches long. We feed them algae pellets regularly. They have been 9 inches long for years. We monitor the ...
Mark's user avatar
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1 vote
0 answers
40 views

Beginner level community fish tank

I am planning to set up a 40 gallon(breeder) fish tank to house easy beginner level fishes. I want to go with small fishes. Below are the max combination i came up after researching. 6 - neon tetra 2 ...
varuog's user avatar
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1 vote
2 answers
96 views

Identify filter for fish tank?

I have a filter since some years now. Now I need some part for repair. But I can not find any print on it to identify the company. Maybe someone knows more about it. It is green, looks technical ...
Allerleirauh's user avatar
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Treating a sick Angel fish

My Angel fish has two pink growths on either side where her dorsal fins were. The fins are now missing. The guy in the fish shop said it looks like a bacterial infection and sold me some Erythromycin. ...
Suzi McCandless's user avatar
1 vote
0 answers
337 views

Does a chipped glass corner/edge compromise integrity on a rimless aquarium cover?

I received a rimless aquarium and lid that were damaged in shipping. The lid was chipped on the very corner, and I'm working on a resolution with the seller. My understanding is that some glass (...
STW's user avatar
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1 vote
1 answer
2k views

Can you help me identify baby snails in my freshwater aquarium?

I have a freshwater aquarium which I added plants and two nerite snails to approximately two weeks ago. Today I noticed two baby snails -- one about 2mm long, the other about 1mm. As noted I do ...
STW's user avatar
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3 votes
0 answers
160 views

Weird cocoon like thing in aquarium

I have a 60 liter aquarium with platies, guppies, neon tetras and some shrimp. I have a couple different plants (don't know the names). Today I noticed the following on one of the plants: It's about ...
J_rite's user avatar
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2 votes
1 answer
102 views

How much does feeding amount relate to Platy fish population?

I've a 200L fish tank with Platys breeding in it for a couple of years now. While I started with a reasonably small number, I think there are around 30 breeding sized fish in there now plus all their ...
BeowulfNode42's user avatar
6 votes
3 answers
1k views

Can too much light kill fish?

I have a 20 L aquarium, mechanical filter, lights with timer, everything was fine. Since the (live) plants were not "too" alive, I upgraded the light. Instead of the generic LED lamp ...
virolino's user avatar
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1 vote
0 answers
101 views

Why are leafy green vegetables safe for snails given their high copper content?

I've frequently seen leafy green vegetables like kale recommended as food for snails (in part due to their high calcium content). However, I was reading the nutritional content for several kinds of ...
EJoshuaS - Stand with Ukraine's user avatar
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0 answers
59 views

Is my platy pregnant? [duplicate]

I think my platy is pregnant (the predominantly orange pltay in the picture). I bought her a few days ago and have noticed her to be getting larger each day but I'm looking for more advice.
Demi's user avatar
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0 answers
396 views

Widow Tetra fish dying

My widow tetra fishes are dying one by one.They seem to float around with lack of control and seems gasping for air.I have quarantined this fish and added some common salt to help it breathe. It is ...
techno's user avatar
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1 vote
1 answer
447 views

Aquarium White Gravel Discolouration

I have set up a new aquarium. I laid aquarium soil as the base with gravel on top. After 1-2 weeks, the white coloured stones are discolouring. Is it algae growth? I’m thinking of replacing the white ...
techno's user avatar
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1 vote
1 answer
2k views

Can neon tetras and African Dwarf Frogs live together?

I'm about to cycle a 10 gal fish tank with maybe 1-2 neon tetras, and I was just wondering if African Dwarf Frogs and neon tetras would be a good choice.
Matthew C's user avatar
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1 answer
366 views

Why putting Peas in the Fish Tank to feed fishes clouds the fish water?

I have a 30 gallon fish tank and the water was very crystal clean when I feed my fishes ONLY their fish flakes and pellets. As soon as I threw bunch of boiled, skinned, washed peas into my fish tank, ...
ThN's user avatar
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2 votes
1 answer
185 views

How to feed a Pleco in a community tank?

I got a Pleco to control brown algae in my community tank (3 female Bettas, 1 Pleco). At this point, the algae is largely controlled, which leaves another problem: I need to increase supplemental ...
EJoshuaS - Stand with Ukraine's user avatar
0 votes
0 answers
183 views

Amano shrimp disappearing 1 day after adding to an aquarium

As a test (as I was cautious even after the shop keeper said it's fine), I bought 3 Amano shrimp to add to my aquarium. One day later only one was still there (right top of the pic). All three were ...
Thomas's user avatar
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4 votes
1 answer
191 views

How to change which water conditioner I'm using

I have two tanks: my ghost shrimp tank is using Tetra AquaSafe for Bettas water conditioner (the tank used to also contain a Betta fish, but no longer does). My Betta tank is using Seachem Prime water ...
EJoshuaS - Stand with Ukraine's user avatar
3 votes
2 answers
164 views

New freshwater fish tank disaster, please help

Santa elves brought a 37 gallon freshwater fish tank early for Santa, youngest asked Santa for fish. Petsmart said use spring water for the tanks, so I did. Tank set up for a week. Went to aquarium ...
Koko's user avatar
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3 votes
1 answer
344 views

Is this a planaria?

This morning I have found a lot of small white worms hanging around the walls of my fish tank. Do you know what it is? It might be a planaria, but I am not sure. Should I be concerned?
Alexis's user avatar
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