Tarantulas eating mice. and other Q's

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More Q's:
What's the minimum floor space for a adult Rosehair? What's too big?
Enclosure suggestions?
Can they really not climb porcelain?
How often do you feed and how much?
Oh, and if I do use coco fiber, how long does the stuff take to dry out after you expand it?

I've seen people plant live plants in T cages. I've got a small herb garden. Would it be okay to plant something maintainable in the cage? Like lemon balm, or mint... or would the scent be too much for the spider?

I have my Rosey in a 2.5 Gal with coco fiber & one hide. I think anything over 5 Gal is probably over kill.

I have no clue about the porcelain either. I was surprised that big spider could climb glass!

I feed my girl crickets & roaches 2 times a week. I think she prefers the roaches, she's a more aggressive feeder when I toss roaches in the tank.

As far as the coco fiber, I by the small circular one for the Rosey (instead of the brick) mix it with water per the instructions and then set it under a heat lamp to dry. When I put it under the heat lamp its dry in about 30 minutes - I would imagine the larger brick would take a bit longer.

Also, my Rosey burrows like crazy. She has created some amazing tunnels - so I'm really glad I use the coco fiber, seems to work well for that(if you use it, make sure to give them a good couple inches of it to dig and move around). She also covers the entire floor of the enclosure with webs.