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I was at my local fish store and saw these. I have never seen these before or heard of them. Are they a very common fish? Are they a very easy fish and get along with most in a tropical community tank? How many should be in a group? Thanks to anyone with info. Sent from my SM-G360P using...

Hey everyone, I am just needing to know if it is ok to get a second angelfish? I have heard it is ok, and have been told not to get more than one. My tank is a 75 gallon FW community tank. It has zebra danios, Bossemani rainbowfish, cory catfish, one dalmation molly, and one angelfish that we...

This might be a tough question to ask, but we just bought 6 Madagascar rainbow fish from are aquatic store here locally and within 2 days every one of them had died, and I'm trying to figure out what went wrong. My tank has been cycled for many months. All the other fish in my tank are thriving...

I am having a problem with my aquarium levels being exceptionally high in nitrates. My ammonia levels are always at zero, my nitrate levels are always zero, but my nitrate levels are always at the very top of the scale using the API fresh water test kit. I just tested it and it showed roughly...

Just would like some people's opinions. I have 6 cories in my tank and feed them with 1 algaev wafer every other day (along with flakes). I am just curious if you through whole wafer in tank, cut it in half, or break into pieces, or crush it completely? Thanks everyone. Sent from my SM-G360P...

I am just wondering what the typical (safe) level is for nitrates? Also, what would you consider high and/or dangerously high? Thanks Sent from my SM-G360P using Aquarium Advice mobile app

Who has them, and would you recommend them or should I get something else for my 75 FW community tank? This is NOT the Chinese Algae Eaters! My tank has Zebra Danios, Cory catfish, Rainbow fish, Dalmation Molly. I have plenty of room left, but just wanted to know if they're worth it, or should I...

I don't have a problem, but was just wondering from people who have had this issue before. If you were to lose power, how long do you think you can get away with no power to your power filters and heater before it starts affecting your fish? Sent from my SM-G360P using Aquarium Advice mobile app

Just verifying that I have my 75 gallon FW tank at the right temperature. My tank is set at 77 degrees. It never really fluctuates from that, maybe +/- 1 degree. All my fish seem to be thriving fine, but was just verifying does 77° seem like a good number for a community tank? Danios, Cory...

Just seeing if this is normal. After my tank cycled with 5 zebra Danios AND seeded sponge from another aquarium, I added 6 cory catfish around late afternoon. Very early next morning I tested my water and got 0 ammonia, 0 nitrites, and 20 nitrates. Then the very next day I tested it again and...

We have almost fully stocked our FW 75 gallon tank. Would like recommendations for what I could add to my tank that would co-exist with existing fish. Fish we have are: 5 zebra Danios 1 smaller sized angelfish 1 Dalmatian molly 6 cory catfish 6 Bossemani rainbowfish 2 Siamese algae eaters. We...

I am just wanting peoples opinions on types of food to use. I I am still a newbie as I've only been doing this for about 3 months. My tank is fully cycled, it is a 75 gallon FW community fish aquarium. My fish are currently 1 small angelfish, 5 zebra danios, one dalmation Molly, 6 bossemani...

We are wanting to add these to my freshwater aquarium, but don't know how many we should get. Don't know if there supposed to be just 1 or 2 or 6. I have plenty of room in my tank for whatever. Current setup, 75 gallon tropical FW tank, 2 HOB filters, keep tank at 77 degrees. Current stock...

I have a couple questions. I have a Marineland Emperor 400 and a Marineland Penguin 350 filter system on my 75 gallon tank. My questions are regarding cleaning and replacing the cartridges (the things with the blue fabric on one side) 1) When cleaning them, I pull them out and wash them in a...

We are currently stocking our FW tank as some know. We really want 1 angelfish. Currently we have 5 zebra danios and 6 cory catfish. Does anyone have personal experience with Angelfish and Zebra Danios in same tank? We only want 1 angelfish. Website I looked at for compatibility said they would...

I currently do water changes once a week, as I only had 5 zebra danios in my 75 gallon tank. I have been doing roughly 15-20 percent. My question is when I am doing the water changes should I be digging into my sand (substrate) as well, or just emptying water? Or should I just skim the bottom...

My tank has recently cycled (within last 2 weeks). It has 5 zebra danios in it since day one. Yesterday, I put it 4 albino Cory catfish. How long is recommended to wait before adding more fish? 75 gallon FW tank, using Emperor 400 and Penguin 350 filtration. Thanks Sent from my SM-G360P using...

My tank is fully cycled, however, my tap water contains nitrites (I called the city as I know tapwater shouldn't have that, but got nowhere with that). Obviously there's nothing I can change about that, but my question is on a fully cycled tank, when I do water changes and put the tap water...

My aquatic store is a really long ways away (1 hour drive), so I can't go there whenever I want as it is totally inconvenient. So I need to make the most of every trip I make. Lol. I am just curious as to how many fish could I safely put in my aquarium at one time? It's a 75 gallon tank that is...

I posted a while back and it wad thought that it was diatoms. We'll here is a picture showing the brown residue on my rock. It is just as bad on my fake plants. Every few days I pull them out and wash them clean using aquarium water, but it always comes right back within a day or two. Sent from...

I used a seeded sponge that my local aquatic store let me buy to help my tank cycle. Now that my tank is cycled what should I do with the sponge that I have inserted into my hang on back filters. Should I just keep them jammed into the filters (Emperor 400, Penguin 350) or do I need to get rid...

My 75 gallon freshwater tank is now cycled! It has now had 0 ammonia, 0 nitrites, and 20 nitrates for the past week. My question is if 20 ppm on nitrates is an ok number to be at? Thanks Sent from my SM-G360P using Aquarium Advice mobile app

I decided to create a new topic based on the fact that my wife really wants Angelfish! So my list now will be based off of having Angelfish as primary and then whatever can be put into a tank with them. 1) Zebra Danios (currently have 5 in tank) (I can relocate them in needed) 2) 4-6 Bosemani...

I have made it through the cycling stage! :D My question is regarding stocking of fish. My wife has made a list of fish she wants in the tank, and I need your guys expertise on what she can and can't have, also the quantity needed to keep fish happy! The tank is 75 gallons and I have 2...

My 75 gallon has been cycling for 4 weeks now. It has quite a few brown spots on the plants (fake) and rocks. Would this just be a type of algae? It does wipe right off. Can I just take the rocks and plants out and wash it off then put them back since they are just fake plants anyway? Also...