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.

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2answers
59 views

How often to do water change for betta fish

How often should I be doing water change for my betta? My wife seems to think it should be done pretty often.
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1answer
57 views

Suggest purchase a pet fish from a four-star online store?

Due to the currently pandemic we are in, one of my wife's friend gave us her fish tank and its supplies. We have two boys and they like fish. I, myself, do not like Petco or Petsmart store that sells ...
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1answer
48 views

Transferring my tetras and rasboras to a bigger tank

I am moving my Harlequin Rasboras, Neon Tetras, and Skirt Tetras from a (44 Liter)11.5 gallon tank to a (76 Liter) 20 gallon tank. I would like to know if I HAVE to bring the same gravel from the 11.5 ...
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0answers
25 views

Nitrates spike right after a 50% water change (ammonia,nitrite and nitrate readings were all zero before it)

Need help in a situation I'm a bit puzzled with. I have an established, 3 foot (90 cm) bare aquarium with discus. I have added a few plants in the last 3 months. Once the new plants have adapted to ...
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2answers
43 views

What bottom feeders are good for a 5-gallon fish tank?

I have a 5-gallon (19 liters) fish tank, with two neon tetras in it, and I am going to Petco in the future to get more fish. I was thinking about more neon tetras and some sort of bottom feeder. Are ...
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1answer
35 views

Goldfish with intermittent swim bladder problems

I have an 11 year old common goldfish and he has recently been having some swimming issues-but only in deep water after a few hours. He is fine in shallow water and he can swim fine for about 8-9 ...
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1answer
38 views

8.0ppm ammonia spike that's been “in effect” for about a week or two

OK, so I went into fish keeping way too fast with almost no knowledge. I will give a short rundown of what happened in my tank. I got a 5 gallon (19 liters) tank and a silver molly and a leopard ...
2
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1answer
62 views

Odd-sized aquarium with damaged canopy: what are my options?

I've recently come into possession of a used aquarium; while it includes all the basic parts (tank, stand, hood, and canopy), the glass canopy was dropped at some point and a chunk is missing out of ...
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0answers
34 views

Aquarium ammonia question

My wife and I purchased a small 5.5 gallon aquarium: Top Fin Starter Kit with a silent-stream carbon filter. We are brand new with aquariums and unfortunately didn't do our due diligence and research ...
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0answers
16 views

When (or If) to reseal an sump?

I bought a glass sump (intended for a fresh-water tank) 2nd hand that has clearly been put together at home. The construction looks great, but you can tell its homemade since the seal has "frayed ...
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1answer
50 views

If I boil tap water will it be safe for my iguana would that clear the chlorine oxide out of it

I would like to know if boiling my tap water would clean it for my iguanas
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2answers
45 views

Preferable flows in aquarium?

I am in the process of setting up an aquarium, and experimenting with the water flow. It's 100x40x60cm (60cm high). I employ an HMF in one of the back corners, so there is no well defined "inflow" - ...
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0answers
117 views

Why did all my goldfish suddenly die?

I have read this question, and this one, about goldfish/pond life suddenly dying. These situations are similar, but not identical to my own, and so I'm not sure whether this question is a duplicate. ...
2
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1answer
109 views

Can a Shrimp be a pet?

I want to keep Shrimp as a pet but it always be dead about 1 or 2 days. I read lots of information and knows that it is lack of dissolved of oxygen. How to get the water full of dissolved of oxygen?
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0answers
27 views

What cleaner fish should I include with my aquarium?

I am planning on getting a 20 gallon Marina fish tank (24 inches x 12.5 inches x 16.5 inches). I have already planned on getting several species of fish for my aquarium. I am most likely getting two ...
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2answers
80 views

What the best way to get water up to temperature for a water change?

I'm just about to do a water change and was wondering what's the best way to get water up to the right temperature to put it back in to my tank?
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4answers
77 views

How to raise PH in RO water? (with chemical compounds no commercial products)

I am using RO water for my newly started 100 liters aquarium and it results in a pH value of 6.0 to 6.2 which is too low considering that KH is 0. In this case, I need something to raise pH (and KH ...
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1answer
69 views

If the water quality is already perfect, do I need to wait any longer?

I just set up a small 23 liter aquarium for red fire shrimps. There are no shrimps in there. I filled up the tank with water from a rain collector and mixed it with some mineralised water. This was ...
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1answer
569 views

Why did my betta’s fins grow back curly?

I purchased my half moon about 3 months ago with some fin rot anddull color. This little guy’s fins grew back white and curly and just recently got color. Attached is the progress photos with time ...
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1answer
120 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 ...
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3answers
2k 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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2answers
190 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 ...
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1answer
47 views

Betta and geothermal water

I'm moving to a new location that uses geothermal water. Generally, when I top off/replace water for my betta, I get my water to the correct temperature, add the stress coat + to remove chemicals, and ...
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2answers
358 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. ...
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3answers
637 views

Can Bettas have lazy personalities?

I had a betta a few years ago who was the most active and happiest fish I've ever seen. He enjoyed hide-and-seek, watched me work at my desk, and constantly swam around his 5 gallon tank. He was a ...
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0answers
136 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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2answers
107 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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5answers
9k 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 ...
2
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0answers
44 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,...
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1answer
3k 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 old guppy seemed to like the new member of the tank. The next morning the new guppy was gone! I ...
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1answer
74 views

Plants for dirty/algae ridden goldfish aquarium

I have a 20 gallon (70 liters) freshwater aquarium with two comets, which are now about 2 inches each. The aquarium gets dirty with algae covering the glass and all the plants very quickly after ...
2
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1answer
102 views

Planted nano-aquarium experiment

Materials 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) ...
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0answers
2k 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 ...
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1answer
251 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
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1answer
659 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 ...
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1answer
89 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(...
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2answers
3k 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 ...
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2answers
203 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 ...
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4answers
1k 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's °C in the summer. And worse, we don't have insulation installed in our house. Would ...
6
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1answer
3k views

Best way to adjust fish tank water chemistry

I am a new fish owner with 4 tetras and 1 pleco. My tank is 10 gallon (37.8 liters) with an Aqueon QuietFlow LED 20 PRO Aquarium Power Filter The tank has been running for over 3 months and it gets a ...
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3answers
1k views

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

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

3 tetras and a betta

I have just purchased a 10 gallon fish tank. I have one male betta and 3 tetras. Two of the tetras swim around together but one of them stays at the bottom of the tank in the corner and looks like ...
3
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2answers
4k 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 Bettas? I have seen people commonly use almond leaves in the water for a few days to ...
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4answers
73 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 ...
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1answer
150 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
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1answer
822 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 ...
2
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1answer
421 views

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

I have a 60 l freshwater 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 ...
5
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1answer
197 views

What are these critters in my tank?

Video #1 of the critters. 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 cleaner, so I took ...
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0answers
32 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
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2answers
237 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.