rocknurworld2006
Fish Aficionado
Just one piece of advice, plan how long you think it will take you and then double it!!
Amen to that!
As for the rock, you UK guys have so many names for rock types I rarely keep them straight
Long story short, if the rock is porous and NOT lava rock, use it. If it's not porous and very heavy, then dont...
why cant u use lava rock?