Orchid related questions, answered by AOS experts.
Note the specific times below if you wish to watch or listen to those topics.

05:24 Cattleya when to repot
09:15 Phalaenopsis when and how to stake the spike
14:04 Light requirements for blooming
17:43 Phalaenopsis saving a dying plant
21:53 Phalaenopsis leaf damage
27:15 Webbing in the medium
30:18 Phalaenopsis violacea leaf spots
33:03 Leaf tip yellowing
34:48 Algae in the pots
37:38 Dolomite lime in potting mix (and silica)
43:47 Phalaenopsis with sap under the leaf tips
47:23 Cattleya leaf spotting (virus?)
49:14 Cork mounts can you reuse them
51:31 Bloom Booster fertilizer
55:35 Paphiopedilum repotting a flowering plant
58:18 Baking clay pots on the Bar-B
59:32 Cymbidium staking the spike
1:01:47 Blc. (Rlc) repotting