Personally I prefer paper as it provides the cleanest/most sterile environment for my BP's. If I wasn't using paper based substrates I would use eco-earth.
x2
-Devon
0.1 Axanthic Bee (Pixel)
0.2 Axanthic Pastel (Cornelia, Short Round)
0.1 Axanthic (Bubbles)
0.1 Bee het Axanthic (Nipper)
0.1 Lesser (Lydia)
0.1 het Lavender (Poppy)
0.1 het Hypo (Cookie)
1.0 Killerbee het Axanthic (Yellow Dude)
1.0 Pied (Starry Starry Dude)
1.0 Butter Hypo (Spooky Dude)
1.0 PH Lavender (Little Dude)