A lot of people in the planted community use Aquasoil. It does tend to be a bit dusty etc but no need to cap it. If you don't fiddle around too...
Black sand? That's quite Cory-friendly.
If not, check out www.aquaessentials.co.uk and get a really fine black gravel.
Cool, thanks guys. We've got a load of bottles left over from Xmas so that's perffect!
I was looking for a permanent solution BTW.
So yeah, any ideas? Some kinda plastic I guess...?
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