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I just cleaned out my 75 gallon tank(my JD layed eggs and they began to mold) After vaccuming about 3 times I still see eggs floating around.Do youthink my filters (I have underground filter and bio filter)will suck up the remaining eggs or should I re-clean my tank? Secondly what exactly is cycling?

With an undergravel filter you should only vaccumm very lightly the surface or you damage the filter media which is the gravel over the ugf
ugfs work by drawing waste into the gravel and decomposing it and creat a working bacteria.

Cylcing is the stage the water goes through to enable a safe envirorment for your fish.

Fish give off ammonia,the ammonia is converted into nitrite and the nitrite is converted into nitrates.
There are more factors involved but this is the basic way it works.
In a cylcled tank there should be no readings on amonia and nitrites as these two are the most harmfull of the three. Nitrates are less harmfull but should be kepted to as close to 0 as possible. This can be acheived through plants in the tank and regular water changes.

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TONY The Proud Aussie

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Oh yeah yes the remaining eggs will eventually be decomposed by the ugf as long as its working ok

------------------
TONY The Proud Aussie

Visit The Oscar Cichlid Fan Club

Got an emergency? Email Me
oscar2001@cichlidfish.com or
oscar_cichlid_fan_club@AnAustralian.com

Visit My New Cichlid Info Site

My Cichlidfish.com Home page