How far down into it do you go and should you take everything out first or just clean around and under it but leave it in.

Well I have been an advid fish keeper just new to the Oscar aspect but when I clean my tanks I use a Python gravel auto suction vaccum and it works great just follow the instructions and you should be fine with that and also when it gets bigger they poop big you'll find out when it does and they are pooper machines

Yes I agree...
I have a python as well and it works great...
pooper macines...I luv that hahahaha

Yup POOPER MACHINES!!!! I just got done cleaning mine and yup yyyuuuucckkkkooo!!

Must be fish tank cleaning night...we just did ours as well...amen to the big poo....that is some nasty stuff....but thank God for the Python...lol

Yup it's cleaning night!! Wednesday Oscar Pooper Cleaning Night!!! Wahoo!!! Yeah Pythons work great!!! Tantrum had a tantrum too when I was cleaning the tank too lol touchy fish I tell ya!!!

Well, I must say I have much better things to do on a Wed night BUT....... lol

Awww, poor Tantrum lol

Poor Tantrum
This Sunday night I will be doing my aquariums
My fish are surprisingly mello during the whole thing
The oldest one gets quite bold and will pick
a spot and not move....so I give him a lil goose and he swims to the other side
he thinks I wont get near him cause hes so big lol