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I'm not sure if it's called a waterfall since I'm not really sure how it's referred to, but I'm looking to somehow ease the waterfall on my filter. I remember reading here that you can put something, like sponges of sorts, that will weaken the flow. The strength seems to push the fish down too...

I have been dealing with this problem and it's relentless. The water was pristine and clear. It was five weeks after I had initially changed the cartridge and thought to change it to a new one. Since then the water is murky and cloudy. The water parameters are fine. I even would do a 10 - 20...

I have a male/female pair of gold dust mollys from Dec. Female just gave birth last night to 5 fry, only one seems to be in there. However, since then they are nipping/fighting/chasing the other and I don't understand why since this never happened before. Thoughts?

This is my favorite molly - I've had her since Nov. I thought it was a male at first because of the aggressiveness, but learned about the anatomy of fish and she is female indeed. It seems that she will not mate with the other males. Every time they try, she fights them all the time. Whereas...

I bought a moss ball roughly 3 weeks ago, and for the last 3 days or so the ball looks like it's shedding. I see strands of the ball floating too. I can only describe the ball as - pardon me - 'nappy." It's not a smooth sphere. Is there anything wrong with it? I'll try to upload a photo...

I have a 20 gallon with mollys. I change the cartridge monthly and that was almost 2 weeks ago. I actually left it a bit longer this time because the water still looked crystal clear. However, as of a week or so, it's become cloudy. I do 25 percent water changes weekly, however, since the...

I just bought one today for $10 to add to my 20 gallon and I really like it. I understand I can have a few in there, but I'd buy only two more. I'd say it's about 3 inches. One Amazon, they are selling 2 for $10 and they are small at 1.5 inches. Should I attempt to buy it? Also, does it take a...

I just purchased a Fluval sponge for the filter intake after my 4th fry in three days got stuck in there and died. It's not for my filter but it fits fine. I have it on now for most of the day and it has stuck without coming off and apparently the debris does collect around it. My question is...

As of a few hours ago I noticed one of my balloon mollys is shaking left to right when still. I did a quick search and said it could be because she is carrying fry - she is - or the water is not good. Water checks in as Ammonia - zero, ph - 7.8, nitrate - 20 (because of fry feeding,) nitrite -...

I'm still learning about my aquarium. I'm puzzled by one thing - do all kind of fish stress out fish, or is it specific breeds? Probably the answer is 'all.' Started with guppies, now I see it with platys. I have balloon mollys and it seems to me those can endure more pressure. So I have 8...

How do we cycle a quarantine tank if we need to put a sick fish in there asap? I'm thinking to buy a 5 gallon for that reason. Do we just fill it with the current tank water and place the fish in there?

I have a 20 gallon with mollys and fry. I am interested in trying out to add a live plant into my tank. Just one for now. Could someone recommend one? Is it difficult to keep? Will it kill any fish? I saw some at Petsmart under the Top Fin brand. should I try one of those?

Has anyone had any success with a pond in the back yard? I live on the northeast and our winters are pretty cold. How feasible would it be for me to maintain one? And would I be limited to only goldfish, let's say?

I have a 20 gallon with ten fish and a handful of fry. In my attempts to efficiently feed the fry, I may overdo it to the point where the nitrates rise. Ammonia, however, stays at zero. What I did is use the following strips: API, Tetra, and this one S & J I bought from Amazon. Daily tests with...

I bought a female platy two weeks ago, as a companion to my single male platy, and this morning I saw her stuck under my air stone. Horrified at the idea she died, I move the air stone only to see her squirm and start swimming again. I don't know how long she was stuck there, but I realized she...

Does anyone use this? https://www.amazon.com/API-Tap-Water-Conditioner-32-Ounce/dp/B072BGCSWT/ref=sr_1_4?dchild=1&keywords=tap+water+api&qid=1610391926&sr=8-4 Can someone tell me why it has a gas smell to it? I got it mid October and it expires in 2025. For the past few weeks it gives out a gas...

I just noticed this on my molly - it looks like a white/nude zit spot, similar to the kind we get on our body. She just had fry on Saturday, and since then she was harassed by the two male mollys. I don't recall seeing this on her before and I've had her since mid-Nov. Also, I don't believe it's...

Could someone tell me how I can successfully clean the inside of the glass? I bought one of these but it's too bulky https://www.amazon.com/gp/product/B000255NH8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 I also bought a glass scrapper but that does nothing. I even bought one with a...

I have 7 fry - 3 guppies and 4 balloon mollys. They are roughly between 2 and 3 months old. They seem to be thriving which is great, but I still think they don't eat enough. Whenever I feed, the adults get it first. The guppies are the older fry and they go up top to eat with the adults, but the...

How many fish can a 20 gallon hold?

I just saw my platy male breed with my female bumble bee molly. Is this a thing? Or is it because they are in a tank together? He is the only platy amongst mollys, and last week I brought home a female platy for him. I don't see them mating but they just seem to swim together for now. But a...

So how often do we need to change the filter cartridge? I have it in since Dec 2, and the water still looks clear but not pristine. I had read that some people don't change it until the cartridge literally looks like it's falling apart. I have rinsed it only once and that was 2 weeks ago. I'm...

I bought a male/female dalmatian molly pair, about 3 weeks ago. My 20 gallon tank has 8 mollys and 2 platys. I noticed the male dalmatian molly would mate with the other balloon mollys and leave the dal. female alone. So just today, I have noticed the female dal. molly has squared around the...

My tank is kept in a relatively colder room during the winter, about 67 degrees. I have a 20 gallon with mollys, platys, and a few fry. The temp was at 76 degrees, and due to the room temp that I mentioned, as well as the pregnant mollys, I raised the temp to 77 degrees. I did a water change 3...

Could someone provide a link as to how a cover for the filter intake looks like? I usually buy my supplies from Petco.