vacuum

I have a Phython to clean and do water changes. I got it on sale before I even had the aquarium and hadn't decided where the aquarium would be located so I bought the 50 ft hose one so it could reach any sink in the house. And remarkably it can work with all three faucets. But it was a big...

Hey all I have some questions about cleaning my tank. I have a heavily planted tank with some S repens and lots of other plants. I change my water and I just can't vacuum my substrate. (seachem flourite).   I can see all the specs of brown crap in there, and especially on the glass of the tank...