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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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7 views

Problems keeping stable PH in aquarium

I've had some fish deaths lately and paying attention to water params, I've gotten a little concerned about my PH levels. My tap water comes out of the tap with a PH of around 7.6. After aging it ...
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1answer
27 views

My molly is nipping at one of the cherry barbs in my tank. What should I do? The barb is losing colour

This has never happened before. My fish are in a 20 gallon tank, they've been fed the exact amount every day, and none of them have had problems before (other than another incident with my (now moved) ...
2
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1answer
92 views

When should I use bleach to fix the issues in my fish tank?

I have a 55 gallon tank that has been giving me problems but I'm not sure if I'm just over thinking or doing to much. When does one know it's time to bleach the tank to kill anything that could ...
3
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1answer
41 views

Plants for a brackish water tank?

Anyone know some plant salt resistant for this type of tank? I need a some reference cause this tank have a bit percentage of salinity in the wate, is lower percentatge but this can harm the plants. ...
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3answers
124 views

What animal can be kept in a tank just under 3 gallons?

I recently had a pet beetle larvae pass away, leaving me with an empty tank. Seeing the empty tank just sitting there makes me pretty sad, so I was wondering if it was a good size for anything else. ...
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1answer
23 views

How is GFO reactor better than PhosBan medium in the filter?

I have a cyanobacteria problem. I am using PhosBan/Phosguard as a filter medium and it doesn't really work that well, shall I worry of getting a GFO reactor or am I good with how it is? How would GFO ...
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1answer
45 views

Does Waterfall Discharge make the water 'cleaner' than surface discharge in a fish tank?

So, My mother is threatening to return the fish tank she got me for my birthday unless I would set the filter to waterfall discharge, I told her I wouldn't as the current is too strong for the type of ...
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0answers
15 views

Best tropical fish breeds and numbers for a 54l tank [duplicate]

I have a 54l Jewel tank with 5 different sponge filtration system. It has a prolific amount of various aquarium plant life flourishing. At present the only fish is a 3 & 1/2 inch sucker fish .. I'...
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0answers
64 views

Suddenly lethargic Antenna/ Suckermouth catfish

I've got a 31,7 gallon tank in which about 35 fishes live. For cleaner fishes it is: 2 Antenna catfish (black and brown) and since almost 4 weeks now also 5 armored catfish (others are all non ...
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1answer
65 views

Shrimp Breeding

I just picked up some Jade Shrimp (pretty cool, bred to be green, not dyed) and the employee (whom I'm quite acquainted with) threw in a pregnant one! Woohoo, right? Anyway, the question is, she is ...
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1answer
31 views

Relentless Nitrites

So I’ve recently set up a small 5 gallon tank, planted heavily, and started a fishless cycle. I got stuck on my Nitrite stage as a result of overdosing ammonia, but it finally came back down 3 days ...
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2answers
81 views

Multiple Male Bettas in 200+ Gallon?

I am not doing this, nor do I plan to (due to the aggressive nature of male bettas). But I was wondering if it would be possible to house multiple male bettas in a 200+ gallon tank? I definitely ...
2
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1answer
50 views

Why does my nitrate level always read 0?

I have the following tanks: 5 gallon, 2 months old - housed betta and shrimp 10 gallon, 2 weeks old - used established media to seed aquarium alongside cycle and beneficial bacteria 3.5 gallon - ...
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1answer
29 views

Acceptable temperature shock for aquarium water changes

It's generally accepted that it's good to get the temperature of your new water to match the temperature of the tank water before introducing it. You don't want to change the temperature of the ...
3
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2answers
75 views

Which nano fish for a big, colorful, community tank?

I'm planning to set up a big (150 x 65 x 50 cm) tank with lots of small colorful fish and shrimp. I want the tank to be heavily planted I want the tank to be very colorful I want to keep a few ...
2
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3answers
128 views

Fish keep dying, rogue homicidal fish or is my filter too powerful?

I have a 36 gallon tank with an Aqueon® QuietFlow Aquarium Power Filter 55/75. as of now there are 2 red minor tetras and 4 neon tetras. I had another red minor tetra and 4 more neon tetras that all ...
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3answers
132 views

My husband built a 98 gallon fish tank. Is it normal for a chirping noise to happen

My husband built his own fish tank from sealing it himself and building the frame. Should it make a chirping noise all of a sudden.
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1answer
49 views

Is it safe to add medication in a fish tank if there is no sick* fishes? [duplicate]

My water conditions aren't the best, yet, my fishes are doing their best so far. I want to put a fungus and fin rot remedy in the fish tank but none of them have it (at least I don't think so). Two-...
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3answers
33 views

Filtered water for my fish tank

My kitchen tap is filtered with a pentek 20 micron filter which reduces chlorine taste and odor (completely removes chlorine taste) it is a granular activated carbon filter.my question is can I use ...
0
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1answer
28 views

How often to clean fish tank with bottom feeders

We have a 29 gallon fish tank with 3 snails 3 shrimp and 3 catfish. We also have moon fish that I read like to eat algae. We have had the tank a couple of weeks and it looks really clean. I also ...
3
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0answers
39 views

Kindly help me choosing right silicone from my mentioned list

I am facing some challenges and need your help and advise. In my country, unfortunately, I don't find Aquarium safe sealant except 2 types. Only what I have seen in local stores are DAP and Loctite ...
2
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1answer
55 views

How to move a plant aquarium, to another house, city?

I have a an aquarium with normal glass, in the next couple of months we move to another city. Detail Size of the aquarium is 90x40x30, it has so many plant, that I use CO2 capsule, and filtration. I ...
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2answers
60 views

what could be the impact of unwashed aquarium sand?

I got lazy and didn't clean my aquarium sand what bad can happen ? This is what I used gravel link on amazon. So far everything is good.
3
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1answer
54 views

Losing Fish Though Levels Test Fine

We have a 40 gallon tank with an established Nitrogen Cycle. We went several months with just 1 Three-Striped Cory and 3 Gold Dust Mollies. The tank has its own filter that came with it, rated for ...
5
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1answer
69 views

My koi has an odd scale that my be infected but I can't tell??? How do I fix it?

I saw it this morning and started researching because I am dealing with an ich outbreak due to recent overcrowding. It hasn't changed or gotten worse but I don't know if it's infected or a disease. If ...
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0answers
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My betta is laying as the bottom of the tank with its head pointed up, why? [duplicate]

My fish lines in a 2.5 galling tank with a automatic heater and a thermometer. I got it yesterday (after my first one who lived for 2.5 years lived there) I cleaned it thoroughly and made sure no ...
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2answers
92 views

Bubbles on top of fish aquarium

I have 4 small fish in my aquarium (two Zebra Danios and 2 others which are a similar size but I don't know what they are). Every few days a lot of small bubbles appear at the top of the aquarium. ...
0
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1answer
172 views

Fish disappearing in small tank [duplicate]

I have a five-gallon freshwater fish tank with 3 guppies, 2 ghost shrimp, 7 nerite snails, 1 mystery snail, and 3 dwarf catfish. 2 catfish and 2 guppies have disappeared completely. There are 0 bodies ...
3
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2answers
127 views

Can I keep crayfish and guppy fish together in a tank?

I have an aquarium and keep peaceful fishes together like : Angel Guppy Shark Saugmaulwels These are my fishes picture in aquarium : My fishes living together peacefully, But I intend to buy a type ...
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0answers
30 views

Can I use hard surface protectant to prevent algal growth on my aquarium front glass? Is there something else that will prevent them sticking?

Siliconizing glass makes it non-sticky. Does that or something else prevent algae from sticking to glass so I won't have to scrape the front pane all the time? I want to treat the tank before setup.
2
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1answer
50 views

How many mollies and glofish can be in a 20g tank?

I’m cycling a 20g tank and I have 3 mollies currently. As the tank is done cycling, I want to add more mollies and glofish! How many of each do you recommend?
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1answer
42 views

How do I clean an aquarium?

I just got a used aquarium from my cousin. It's dry, but there is black stuff on the sides, and I'm not sure how to clean it off. It's completely dissassembled, but the parts are inside. Everything ...
3
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1answer
38 views

What plant is this?

I was dealing with a lengthy illness and wasn't caring for my tank besides the minimums, and this plant has overgrown everywhere in my salt water tank. It's a very green plant (not sure why the ...
3
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2answers
36 views

What's the name an air-valve that automatically closes for a set period of time to allow air to pass down the line to other valves?

I hope the title makes sense. Essentially what I need is to use a single air pump to aerate multiple small tanks. To do that I can't have the first few valve/air-stones in the entire line use up all ...
7
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1answer
71 views

Streamlining Aquarium for Frequent Travel

Currently, I have a planted 30gal tank with a male betta and a few shrimp/snails. I'm very attached to my fish, and enjoy the ability to give him a tank much larger than the average pet-store betta ...
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0answers
22 views

What is the level of effort for this fish tank? [duplicate]

One a scale of 1 to 10 (10 being metaphysically impossible) what is the level of effort to start and maintain a salt water tank with coral and fish (like the picture) for an amature? I currently have ...
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1answer
47 views

Silvery fish with red eyes and neon fins

Please, help me identify this fish. After going through some local aquarium & pet stores in Chengdu, China, where I am visiting, I was able to identify most of the fishes I saw. Except this one. ...
3
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1answer
53 views

Black long fish that can swim upside down

I am new to aquarium fish. Could anyone help me identify these species? I found it in local aquarium store in Chengdu, China, where I am visiting. It is about 6 inches long, it has a black body with ...
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1answer
47 views

Can assissin snail carry rat lungworm?

I have two assissin snails in my fish tank. I always wondered if these snails have lungworms in them. If they do, what should do to prevent contracting the lungworm.
2
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1answer
138 views

Will my bristlenose pleco eat aquarium plants?

I've got two 20 gallon fish tanks. One has a bristlenose pleco and 5 tetras, one has 4 corycats and 4 nannostomus and a ton of plants. I am thinking of merging the two tanks as keeping both clean is a ...
2
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0answers
103 views

Freshwater aquarium - many fish batches dead, LFS keeps claiming that water is 'perfect'

Got a new 30 gallon aquarium ~1 month ago. The seller told me to use tap water (no conditiner), run the pump for a week (to get rid of chlorine), then bring a sample for test. Did that, didn't use ...
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1answer
62 views

Will pets stores test my aquarium water?

If I have a fish and I don't have the skills and/or supplies to test the water in my fish tank, can I take a sample from the fish tank to the fish/pet store to get tested? If yes, what if any special ...
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2answers
1k views

Would a small amount of bottled water mixed in with an aquarium harm the fish?

This is kind of urgent - I'm watching someone's dogs currently because that is what I am experienced in but they also have an aquarium. I have little to know experience with fish and I did warn the ...
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2answers
95 views

Are these fish eggs..and if so what should I do with them?

Are these eggs and if so what should I do with them?
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3answers
1k views

Can snails and betta fish cohabitate?

So my mom just brought home three snails home. One for me, and two for my brothers. I set the bag in the water for 20 minutes, and then put the snail into the tank. My female betta fish has been in ...
3
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1answer
62 views

Is a carbon or cartridge filter necessary in an aquarium with a simple biofilter?

I'm trying to setup my first aquarium, and in the process I've been reading all about the nitrogen cycle and properly cycling a tank to ensure there's bacteria present to work on the ammonia and ...
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1answer
125 views

How stressing is it for fish when someone taps/slaps their glass?

Everything I've read says you shouldn't tap an aquarium because it startles the fish, and that's bad for their mental health. I've been satisfied by that argument. As of late, my toddler has started ...
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1answer
78 views

How do I tell if my goldfish is pregnant?

I'm new to keeping fish. I picked up 3 comet goldfish a couple of months ago. They've been living in the same tank and one is getting bigger, way bigger than the other 2. Is it pregnant? How can I ...
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0answers
43 views

Starting up a canister filter that has been off for a while

We prepared an Eheim canister about a week ago and had also put some tank water in it but, because of a series of setbacks, we haven't been able to start the filter in our new tank. We are still not ...
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1answer
74 views

questions about leveling and positioning a 4 foot fish tank

We are beginners but have ended up buying a fairly large (4 foot) fish tank and have some questions about setting it up. we are worried about making sure it is level, as a lot of videos say this is ...