Quote Originally Posted by adawinters View Post
I will add that, after my most recent tank dismantling, I have realized that worms can navigate leca balls fairly well. I'd worry less about that than about drowning, but if flooding isn't a problem, I say go for it. Again, start with just a few to seed the tank, but it should work out just fine.
Good to know. Even with good aeration and clean up crews, how often should I replace the substrate? Hoping for at least 6 months.