Just to answer the questions...
Klippie, i do have a coconut hide for him (here is a pic of the hide, just for info), and actually for the first time it used the hide last night. Seems he actually enjoy it and stay in it thru the night. Thanks for the reply and links, i don't have the time now to read the links but will do it tonight.
About the substrate, i do have a a layer of about ± 4cm thick substrate, not so sure on which substrate it is, but its similar to the peak moss in my eyes, and i must say its nice and soft texture feel. It fairly wet, you can feel the wetness, but not soaking wet.
The coconut hide
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Creator, It fairly wet, you can feel the wetness, but not soaking wet. I do have a humidity meter inside, close to the substrate which are on 85%.
Cascade, it's a Mature one in my eyes, seems close to a molt process. According to the pet shop, they did tell me that it won't live for many years, i will probably only get about ± 4 years out of it.
It's the Chaco Golden Knee.
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Enclosue - 30cm x 25cm x 25cm.
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I hope it serves all the questions.