Five new orchids and questions about their health.

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I was thinking the same thing about the bulbs but was afraid they would rot. I will repot the non-blooming orchids. Should I move them to bigger pots or should I only change the bark? I don't have experience with orchids with such growing roots.
I'm thinking of using only bark. I wanted to use sphagnum as well but I couldn't find.
The lady advised me to soak the roots in 3% H2O2 solution. Is there anything else I should do if there are wounds?
What do you think about the Phalaenopsis? Its leaves are suspiciously curved...