Oscar head gone green?

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OscarOliver created the topic: Oscar head gone green?

Please help, my oscars head has gone green, ph is 7, 25 gallon tank, fish is 3 months old, temp is 28°C, good filter. Brand new tank.

JoshuaD
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Suprd71 replied the topic: Oscar head gone green?

Any odd behavior or loss of natural color is most often linked to water quality. 25g tank is vastly too small for any Oscar beyond baby size, 2ins or less. How often do you change the fish's water? Do you have a quality test kit that will measure ammonia, nitrite and nitrate?


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OscarOliver replied the topic: Oscar head gone green?

I do a water change every month and i only have a ph test kit, tank is brand new, he also has a small white spot on his left fin, is fin rot or white spot disease or is it something else.

JoshuaD
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OFL replied the topic: Oscar head gone green?

This website has been here since 2006 and we have always advocated the use of a large aquarium for your OscarFish. I just cannot understand why 11 years later people are still coming on here asking questions and telling us that the Oscar tank is more than half the size it should be.

I sometimes don't know why I bothered writing all of these articles because people obviously take absolutely no notice whatsoever.

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Suprd71 replied the topic: Oscar head gone green?

Joshua, your tank is 3x too small and you need to change water pretty well every day to maintain 25g of healthy water. Your fish is basically living in toxic soup. You need to ease him into clean water. Do 25% every day for a week, then up to 50%. A minimum 48x18in tank of 75g is what the fish needs to have any chance at a decent life. Clean water, living space and quality diet are the 3 major keys to Oscars health. Regardless of feed, your fish doesn't have any of the first 2 criteria


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OscarOliver replied the topic: Oscar head gone green?

Im going to do a 25% water change today and do i need a ammonia, nitrite and nitrate test kit, right now i cant get him a 60 gallon tank because im renting.

JoshuaD
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Suprd71 replied the topic: Oscar head gone green?

Test kit tells you the parameters of the water, it is very important for beginners to better understand the nitrogen cycle and how it works in the aquarium. Ph is very minor, toxins are what can kill or shorten the life of the fish. In all honesty, if you cant provide a bigger tank in the next few short weeks, the fish should be rehomed. It is suffering in its existing setup.


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OscarOliver replied the topic: Oscar head gone green?

The vet said that it could be the mood of the fish but I'm still taking precautions by applying more beneficial bacteria and a bit more water conditioner and today im applying nitrite, nitrate and ammonia remover, if it gets worse i'll do what you said. Thankyou for your help with my oscar.

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Suprd71 replied the topic: Oscar head gone green?

I strongly advise you to NOT add chemicals to the tank. Fish has an undeveloped and/or weak immune system.Live plants do consume nitrate. Ammonia and nitrite remover, along with bottled bacteria are all snakeoil gimics that take $$$ from your wallet and that's it. You can add a salt solution, aquarium, rock or pickling salt, to protect from nitrite poisoning. In 25g make it15tsp over the course of 48hrs. Redose for any amount lost during water changes. There is no substitute for clean, fresh water. A great help would be some seeded bio media from an established filter. Maybe a friend with tanks, local aquarium club, fish shop could give/sell you some. We are here to help you, but frustration often shows when so many mistakes are made all at once. You wont get any bad advice or false info here, I myself have almost 50yrs of Oscar keeping under my belt. I question the "vet's" diagnosis of the fish's mood. In a way he could be somewhat right, we ourselves aren't in a good mood when we are sick and stressed, but the root cause is water quality and tankspace.


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OscarOliver replied the topic: Oscar head gone green?

My oscars head has returned from green to normal what is great i think it was a new tank mood but he still has the spot on his left fin.

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