What Is Cycling?

[katie1984]

Can someone please enlighten me to what cycling is? I see it posted a lot and have no idea what it is!
Cheers I dont know if I should be doing it!

 

[PaulEbs]

Fishless cycling

Have a read around some of the pinned topics at the top of each forum, they hold a lot of information.

Google is your friend, too.

Paul.