There are bubbles in my freshwater tropical fish tank. They’re around the top of the ring of water. I have 3 fish, and they’re all diffrent kinds. And i’ve looked at them, and they do NOT look like eggs. Could just be air bubbles? Or are they somthing to worry about? thank you.

i have 3 branders, 1 ranchu and thats it but i have a 12 foot fish tank. so im lookin for some deacent sized fish to live in there. but the fish have to look butifull

how do you care for a tropical fish tank and how do you set it up?? what are some good tropical fish? what size tank do they need? and what fish are compatible with them?

i have a semi aggressive tropical fish tank. i was wonderin if you can change the rocks. my rocks are becomin colorless and the are starting to disenagrate. i have a molly, a platy, a corydora, a guppy, a angelfish, pink glo fish tetra, and a tetra. so thanx if you answer
can you change the gravel, because i have heard different stories. so please help me. my rocks are turning to sand and clogging up my filter

It’s my first time in going to have tropical fish – got an excellent tank – beed to purchase the filtration equipment. Bit confused at the articles on the net – some doesn’t recommend underwater gravel filters (UGF) and others recommends u use more that one sort, but then some articles recommends using a box filter with UGF. Anybody with some experience and knowledge to share would mean a lot to me!

I am just starting my first tropical fish tank and it has been running now for about a week (without any fish so far). The pH is remaining constant at around 8 (maybe slightly below), but everything i look at online is saying it should be lower. Will this be OK? If not how can i lower it slightly?

Hi, I’m Just wondering, Do you NEED a light for a tropical fish tank?
If so, Why?

My fish have recently had anchor worm, whitespots and really red gills. I put some aquarium salt into my fish tank, which is a 14 gallon tank and my fish are beginning to look a lot healthier. Oh yeh…i have 10 fish in my tank.
What i want to know is how often do i add the salt to my tank?

Changing Water In A Tropical Aquarium
How do i change the water in my 150 gallon tropical fish tank? I am looking to keep Oscars in it and want to change the water oncea week.
The part i am unsure of is how i’m supposed to get the temp right and dechlorinate before adding to my tank?
Also,will i need another fish tank and heater to prepare the water prior to changing?

I am thinking of getting some tropical fish, but do not want to pay a huge bill for the electricity to run the heater for the tank.
How much electicity does the heater for the tank use? Would it be expensive?
I would have a medium/small tank.
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