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Questions tagged [freshwater]

Aquariums which are freshwater-based, indicating a different maintenance style from other water types. The "aquarium" tag should normally be included with the question.

19
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4answers
6k views

Safe for cats to drink from the aquarium?

This kitten doesn't want to drink from her own bowl but seems to prefer running water, namely the waterfall of a hang on filter. Is this safe for the kitten? The aquarium is occupied by a terrapin ...
1
vote
0answers
17 views

Happy Betta Being Lethargic [duplicate]

We have had a bright red betta fish for 2 years. He is in a 2.5gal tank with a heater and filter. The heater keeps the water around 76-78 degrees. The front of the tank is curved out while the back is ...
2
votes
0answers
25 views

Green water after refilling dry tank with no fish

Several months ago, I moved to new city and had to drain my 20-gallon tank and give away my fish. The tank sat empty (aside from the gravel) for several months. Last week, I decided to fill it back up,...
3
votes
1answer
110 views

New Guppy disappeared from tank overnight

I just got a new guppy yesterday who was living a tank with a young Koi, 4 Tetras and one guppy. The guppy seemed to like the new member of the tank. The next morning the new guppy was gone! I ...
1
vote
0answers
16 views

Plants for dirty/algae ridden goldfish aquarium

I have a 20gallon/70litre freshwater aquarium with two comets now about 2inches each. The aquarium gets dirty with algae over the glass and all the plants very quickly after cleaning. This is nothing ...
1
vote
1answer
59 views

Planted Nano Aquarium Experiment

Material several 750ml cylindrical glass containers: with and without top cap different types of substrates: gravel (small to mid-size grains), sand and fertilized soil for aquarium (neutral Ph) ...
0
votes
0answers
148 views

Why is my Betta fish lying at the bottom of it's tank? [duplicate]

My male betta fish is about 1 and 3/4 years old. He is normally more active, but it's been 2 days now since he's started lying at the bottom of the tank and only coming up for air. He lives in a 5 ...
4
votes
1answer
31 views

What are normal pH fluctuations, and what could be causing extreme fluctuations?

I measured my pH last night. One tank was <6.2. Another, >7.4. And the last one was 6.8. This morning, about 12 hours later, they're all measuring <6.2. I've added nothing but food to the water ...
4
votes
1answer
51 views

What's wrong with my gourami? Has she been bitten, or is she ill?

I got home tonight and found my gourami injured. She's in a community tank, with, amongst others, five large male angels. I've taken her out of the tank into a hospital tank. I don't know if she ...
3
votes
1answer
55 views

How many pets can I keep in an aquarium?

I recently got a 5.5 gallon fish tank and am curious about the quantity of animals I can have in the tank. I currently own six fish. I don't know their proper names, but I own one bottom feeder fish(...
1
vote
0answers
86 views

I think my Betta has dropsy but I'm not sure?

I'm really worried about my dragon scale Crowntail Betta. I realised that in the last couple of weeks he has had a bump, like in the picture, on his body on both sides. He has started to curl his ...
2
votes
2answers
83 views

I'm wanting to have a female Betta sorority and Corydras- would that be over crowding?

I have a 3ft tank, it's been cycling for about a week so far. We want to have a female Betta sorority(at least 5 females) and at least 2 bottom feeders (Corydras). Would this be considered ...
7
votes
4answers
299 views

Can a house get too hot for tropical fish and what precautions could we take?

We really want to get tropical fish but there's a problem. In the state we live in it can get as high as low 40*C's in the summer and worse, we don't have insulation installed in our house. Would it ...
5
votes
1answer
281 views

Best way to adjust fish tank water chemistry

I am a new fish owner with 4 tetras & 1 pleco. My tank is 10 gallon with an Aqueon QuietFlow LED 20 PRO Aquarium Power Filter The tank has been running for +3 months and it gets a 40% water ...
0
votes
3answers
171 views

Why do my Glofish Skirt tetra stay on surface after 30% water change?

I bought 7 Glofish Skirt tetra 3 weeks ago and today was the first time I've change 25-30% water for them in 10G aquarium. Replaced water was tapped water warmed for few hours and treated with API ...
3
votes
2answers
636 views

Almond leaves vs banana leaves in an aquarium?

I was just wondering- what's the difference between using almond leaves in a tank compared to banana leaves for betas? I have seen people commonly use almond leaves in the water for a few days to ...
1
vote
4answers
67 views

Heater problem in my 25gallon tank

I have a 25 gallon tank last week i had bought a new heater with thermostat. It is 150 watts but the water seems not to be heating. My Blue Line Shark has Ich so I raised the temperature to 32 degrees ...
4
votes
1answer
128 views

How to efficiently catch my own fish?

I recently performed some maintenance on my tank which required me to move all of my fish from one tank to another holding tank for a short period of time. The most difficult part of this entire ...
3
votes
1answer
84 views

How and what to feed my Betta community tank?

I am thinking about getting some Cory catfish, a couple of Kuhli Loaches, a small shoal of Harlequin Rasboras and a betta fish but I cannot find the answers to: What to feed my community tank? I have ...
0
votes
1answer
69 views

Why do I see gas bubbles raising from plants after water changes?

I have a 60l freshware aquarium. After water changes I see plants producing gas which raises to the top just like when I had CO2 fertilization running (currently turned off since some weeks). The ...
4
votes
1answer
111 views

What are these critters in my tank?

https://www.youtube.com/watch?v=pQFom14oxSo I have a separate tank that I want to use for breeding. Last week, I had my gourami breeding pair in there. But, then, my angelfish laid eggs on my glass ...
1
vote
0answers
26 views

Easiest Ancistrus to breed

To follow up on a previous question of mine and some information provided in an answer there (Ancistrus breeding in rock pile) What Ancistrus is the easiest to breed? My reasoning around this would ...
5
votes
1answer
92 views

Ancistrus breeding in rock pile

Is it possible to get Ancistrus to breed in a rock pile or do you need those eye sore pipe caves everyone is using. I really don't want to taint my fish tank with one of those.
4
votes
1answer
125 views

Will a couple of guppy males be happy in my fish tank?

Will a couple of guppy males be happy in a community tank without guppy females? Will they harrass for example platy females or will they mind their own business? The tank is a Juwel Vision 450 LED ...
4
votes
3answers
75 views

Species identification: fizzing plants

Many years ago I added some plants to my aquarium that would bubble aggressively from their leaves. When the lights were turned up high they would almost fizz. My angelfish liked to swim in the bubble ...
2
votes
2answers
129 views

What is wrong with my betta fish? Fin rot? Velvet? [duplicate]

In the picture submitted you can clearly see a healthy betta fish in the top 3 pictures. Those pictures are from May 2017 when he was first brought home from the pet store. The bottom 3 pictures are ...
5
votes
2answers
176 views

Nitrogen cycle for new fish tank

I recently bought a fish tank. I googled about basics for setting up a fish tank. Almost every webpages help me to understand how important the nitrogen cycle is for a healthy fish tank. So I decided ...
5
votes
1answer
425 views

Will neon tetras eat ghost shrimp babies?

Some context. I'm planning on having ghost shrimp and neon tetras in the same tank (20g), however I don't really want a lot of ghost shrimp. I currently have 7 neon tetras. Would they eat the ...
5
votes
3answers
3k views

How many ghost shrimp can I put in a 20g tank with 7 neon tetras?

I have a 20g fish tank, dimensions are around 18in high, 24in length, 12in wide. Currently it contains 7 neon tetras, a plastic column, and a plastic plant (medium size, about as tall as the tank and ...
4
votes
1answer
195 views

Sea Monkeys air pump

Can you please tell me where to look for the million bubble air pump or the oxy-mist air pump. I cannot find it anywhere. Or an alternative for my Sea Monkeys.
2
votes
2answers
309 views

How to get cristal clear water in an aquarium?

What are necessary and optional steps to get crystal clear aquarium water, i.e. water with as few large and micro particles and maximal visibility in the distance as possible?
0
votes
1answer
73 views

What are reasons for the nitrit/NO2 peak during aquarium installation/start phase?

After installing an aquarium with a new filter without bacteria in the media new/washed gravel plants which don't have sufficient roots yet (to absorb nitrate/NO3<ref>citation needed for the fact ...
1
vote
0answers
113 views

I think my female map turtle is trying to lay her eggs in the water.

I have two map turtle one male the other female. I caught them doing the mating dance and the deeds plenty of times. I got the male from a friend and he was lonely so about a month later got the ...
1
vote
1answer
86 views

Betta hitting walls of tank in 'panic episodes' - What is causing this?

Today my Beta started swimming like a mad man and hitting himself on the side of the bowl and ornamental plants. You can hear him crashing against these things. I'm scared he's hurting himself. ...
3
votes
2answers
400 views

My Betta is in a 1.5 gallon tank with a filter system but no heat. Would it be better to get him a heating system or can a heat lamp help?

Would it be better for me to get my Betta a heating system or can I use a heat lamp? He is in a 1.5 gallon tank.
1
vote
2answers
145 views

How to remove carbon particles/peat from my self-made gravel?

I'm already far in the process of making by own sand and gravel from ground from my garden or a nearby location (e.g. in order to avoid buying and transporting stuff over many kilometers that I can ...
1
vote
0answers
17 views

Can I use polymerisation glue for acryl in aquarium water?

I created a protection for my filter entry with acryl and polymerisation glue Evonic Acrifix 1R 0192 in form of a cube. Can I use it in my aquarium (under water) without harming fish after drying it ...
1
vote
1answer
75 views

Should I remove rubber bands from delivered flame moss?

I purchased some flame moss online for the first time and it arrived rubber-banded to a wire mesh. Do I just throw it in the tank like this or do I have to remove the rubber bands?
0
votes
2answers
2k views

How to remineralize distilled water?

Last August I decided to by a new 10 gallon tank and buy a new Betta. I set my tank up and went to a local Spring source where people get drinking water from a pipe coming out of the mountain. I had ...
4
votes
0answers
107 views

Affect of Kh on Neocaridina Shrimp

It is my understanding that, in the aquarium, Kh (carbonate hardness) raises the PH slightly, but primarily acts as a "buffer", preventing large PH swings. For Neocaridina shrimp (I keep red cherries,...
3
votes
1answer
354 views

Does Juwel Cirax (ceramic biological filters) affect PH in the aquarium

Currently the water in my aquarium is having a higher PH than I want. What I wonder is if the Cirax filter (and in general biologigal ceramic filters) affects the PH value (by increasing it)? Or if it ...
4
votes
1answer
980 views

Is my red tailed shark sick or pregnant?

Yesterday the fishes in my tank were visually ok, today I noticed that one of my red tailed sharks has a bulky belly. Are they sick or pregnant? Here are pictures of the two "normal" ones, and the ...
5
votes
2answers
405 views

White marks on my Pearl Gourami turn into blisters/tumors before they die

Update: Fish with white patches on his side. Patches start small but grown slowly, over months. Finally, they appear like a mass, then ulcerate. The fish does not appear sick now, but will be sick ...
2
votes
3answers
2k views

What is the least painfull way to kill a shrimp

I have read this question about how to euthanize a fish but I wonder what is the least painfull way to kill shrimp? Since invertebrates are different than fish I wonder if there is another way.
4
votes
2answers
78 views

Red algaes in my tank

I have found some red algae last night in my tank. I'm looking for possible cause and also a way to kill it. I have shrimp and fish in that tank so no chemical if possible. My water parameter are ...
2
votes
1answer
1k views

Why should I replace my filter media?

When I search the internet about this question there are many different opinion about the right interval to change filtration media in a regular freshwater tank. On the packaging of different media ...
6
votes
2answers
644 views

What is this parasite?

I found this parasite in my tank this week. It was the second time I saw it but the first time I lost him before I could catch it. He wasn't on any fish or plant, he was on a wood piece the first time ...
3
votes
0answers
233 views

What causes a Norman's lampeye to lose the ability to move it's tail fin?

I have an aquarium with eight Norman's lampeyes (unfortunately 5 male, 3 female) and some other fish. Last Sunday I discovered that one of the Norman's lampeyes wasn't doing so well. She was nearly ...
3
votes
1answer
2k views

Platy fish pregnant

We bought two Platy females in July. Also, we think one must be male as he has the exact same fins our lighter colour fish who became pregnant. She gave birth to some one night but the dark spot and ...
5
votes
2answers
3k views

Aquarium overflow vs bottom of tank intake

Wouldn't something that sucks out detritus from the bottom be better than something that can only pull floating stuff? Reasoning: A wet/dry filter will usually feature an overflow, whereas other ...