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I've been going to college and working and I have not cleaned my fish tank in a while .My canister needs to be clean and my water parameters are bad. What to do first, fish started to swim top of the tank for air. I don't know what to do because I was told not to clean your filter and change...

I have a 115-gallon fish tank with 6 goldfish that I just sold. These fish were extremely hard to maintain because they provided a lot of waste, and I could not control the nitrate. "I'm interested in purchasing a different kind of warm water fish but am unsure about what to choose. I want to...

3-year-old 115-gallon fish tank water became cloudy. I'm pretty sure it was the water perimeters because of the nitrate and ammonia Spike. I just did a 50 percent water change, in which the water is still cloudy. Also, what's strange is a lot of the fish poop is floating on the top of the tank...

sorry Sorry, I fix the question.

LOOKING FOR LIGHT FOR MY TANK 19W/24H/L60 115 GALLONS. I WOULD LIGHT IT TO HAVE A FEW DIFFERENT COLORS. If possible not cause a lot of algae in the tank. THANK YOU

I have been using an FX4 filter unit for about three years. I have read Bio rings go bad in time. I like to hear from aquarium experienced hobbyists, How often do you change your bio rings and how not to destroy the water cycle? I really don't know the difference between Bio rings and have...

Pics of the fish Here some pics.

I have a two-year-old golf fish mainly lying bottom of the tank. Sometimes tries to eat, but the other gets the food before him. About a week ago, I believe my dad was overfeeding the fish and causing them to get sick because they were all acting funny and less motivated. So I did a 50% water...

Other than flakes I thought there might be a good other source of nutrition. Has anybody ever fed their goldfish fruits and vegetables? What do you recommend, and do I need to prep it? How often.

115-gallon fish tank with goldfish with Ro Water. I don't have any live plants and growing black beard algae. I have a very good flow of water in the tank too. The algae are growing on the glass and decorations. I have tried algaefix control and don't work.

just see something He has a little red dot by has a tall fin. You can see in the pic

He didn't want to say hi , today He didn't want to say hi , today. Here some pics

I have a goldfish that starting to sit in the bottom of the fish tank. First I didn't feed him for three days and fed him peas on the fourth day. Hasn't shown any Improvement. it's weird every time I come to the tank he automatically leaves his location to say hi to me. he's definitely eating...

Heres pic Heres a pic

One of my Goldfish is picking on the koi, that's little bigger than him. Follows him around the tank all-day, trying to bite the koi butt hole. It doesn't look like it really bothers the koi too much or cares. Do you understand this type of behavior.

The bottom right fin is turning black with my goldfish ranchu. I tested the tank, and the perimeters look good to me and all the other fish in the tank or thriving. He started last night staying in the bottom left side of the tank and comes in and out. He stays Most of the time by staying away...

115 Gallen tank, do I have too many fish in my tank because so difficult to keep the nitrate down, and getting tired of doing a 50% water change weekly with RO water. I use Ro water because of bad tap water. List of fish and most goldfish are 2 to 3 inches but catfish is 7 inches. 2 Placo's 2...

I have a 120-gallon tank freshwater tank with goldfish. I run a Ro water system and add Seachem Equilibrium on every water change. My tank has a reading of a zero Kh. Some people tell me to put crushed Coral in the filter. Also, look upon the web says Seachem Alkaline Buffer. Does anybody know...

fish tank fish tank

My Dojo fish is sick floating on the top of the tank and barely moving. I test the tank and didn't see any bad water conditions and the fish not gasping. All the other fish in the tanks look fin. I did start adding minerals to my fish tank because I use reverse osmosis water. I have moved the...

Hi What is your nitrite? Just did a nitrite test 0 ppm sky blue color Was you seeing this gasping before you started using RO water for your water changes? Yes really badly and lost much fish from the beginning because the nitrate was very high because the tap water nitrate was coming out of...

update I check and again nitrate is at 30ppm. It use to be high and is now under control after the Fourth water change. It stays in the orange color now and not the red color on the test kit., My fish tank's current TDS level is at TDS 250. Last week it was in the 350s before the 50% water...

Hi I now so happy got nitrite under control at 30ppm How are you remineralising the RO water? I have not because my TDS is at 250. If I put Equilibrium in, it will go up to 300 400 TDS. Unless I should put it in any way and my water pretty hard all ready. I have only done four water...

filter I run an fx4 canster.

115 Gallen tank/ Long term fish gasping/ My fish are always gasping on and off. I bought a salifert oxygen test kit to find out the oxygen level. The color turns yellow to orange on the big tank. It makes no sense because the color chart is purple. But when I test my small tank and tap water...