I have a fish tank with a filter and everything?

I have a really nice fish tank with a filter light and everything. Although when i was out of town i had someone watch my fish for me. They over fed them a little and now there are lots of fish food pebbles on the bottom of the tank. They tell you not to empty the whole tank when you ahve a filter. But i am afraid of the food making the water foggy and full of amonia? Any ideas if I should empty the whole tank and put new rocks in.
Answers:
NO DO NT EMPTY YOUR TANK.GO TO YOUR LOCAL PET STORE.THEY SHOULD SELL A DEVICE THAT SUCKS THE STUFF OFF THE BOTTOM OF THE TANK.IT MAY GET A LITTLE CLOUDY AT FIRST BUT THE FILTER WILL TAKE CARE OF THAT.IF YOU WANT TO REPLACE WATER ,TAKE OUT ABOUT ONE QUARTER OF WATER AND REPLACE THAT BUT NOT ALL OF IT.I ALSO HAVE A TANK AND THE DEVICE I HAVE WORKS GREAT.GOOD LUCK.

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do have a hose on the filter? can you vaccum (with the filter) the food up. What about a net?

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get some bottom fish. little mud suckers to keep the tank clean. go to the fish store and ask them what kind you need to get along with the fish you have.

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what u do is put the fish in a bowl of water or somthing and emty the whole thing out and make it look that u just got it orw/e

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If you go to your local pet store, thereis this device they make called a gravel siphon/vacuum that vacuums all the nasty stuff out without changing all the water.

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Definately go to the pet store %26 get a gravel vaccuum. You can get them as cheep as a couple of bucks. After you syphon some of that excess food out of your tank (and sparing your gravel in the meantime) you will have to add a little water (dont forget the water conditioner) to your tank.

Excess food does cause ammonia build up in your tank. That is the number one cause of cloudy water.

Good luck to you!

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you can get a gravel vacuum at a petstore whihc will clean the excess food from the gravel. They are $4-20 depending on the size you get.

Also as a tip, next time you let someone come pet sit for your tank, pre-measure out the food to avoid excess feeding.