how should i clean my 5 gallon fish tank? newbie fish owner here?

[LaLa]

i have a 5 gallon fish tank with 2 riyukin fishes and looked like this http://www.youtube.com/watch?v=wvIELG5hUKw i bought a vacuum for the gravel but it wont fit in properly in the tank. so can you give me tips how to clean it? should i place the fishes in a different bowl while i clean the whole tank?? any suggestion would be appreciated. thanks!
here's how my fishes and my tank looks like


http://www.youtube.com/watch?v=wvIELG5hUKw

 

[jim]

Gravel Siphon. You siphon everything out. Take out any ornaments and clean them. with warm water. If the vaccum won't fit properly for the tank get a smaller vaccum. it'd take longer... But they its worth it

 

[catx]

Your tank is too small for a pair of Ryukin Goldfish. These fancy Goldfish get very big and are very messy, they should get around 5" long excluding their fins. For a pair of fancies you need more like a minimum of 30 gallons not 5 gallons! They look very very cramped in that tiny tank.

I would get a new larger tank asap, if that's not possible, rehome the Goldfish and get a single Betta.

If you are going to upgrade you need to do 50% water changes twice a week - you should NEVER do 100% water changes in one go as this destroys your bacterial colony. And you should only be doing that 50% twice a week because Goldfish are so insanely messy! With just a Betta in that 5 gallon you would only need do do 20% once a week.

If the gravel syphon is too big, you need a smaller syphon, but in this case you really need a larger tank! A syphon should work on an angle anyway as long as it's fully submerged and you should not need to remove the fish - again this is going to be difficult in such a small tank with large fish!

Your current set up is a bit of a lose-lose situation.

 

[Lizzii]

That is purely cruel to do to a goldfish. Those two need at least a 29gallon aquarium. At least, for just those two. Even that I believe is overcrowded.

Either get a new tank now, or give away your goldfish.