Fwiw I’m having good luck with this keiki cloning hormone to get my bare spots to fill in. I’m 10 days in and already seeing great results: https://www.amazon.com/dp/B07LB6J8M5?ref=ppx_pop_mob_ap_share

I've only tried one brand myself, but it has done the job for me and isn't overly pricey.

Amazon link for what I use:

https://www.amazon.com/Orchid-Cloning-Paste-Phalaenopsis-Houseplants/dp/B07LB6J8M5/ref=mp_s_a_1_1_sspa?crid=2OO1J3SGLWMXL&keywords=keiki+paste&qid=1682272185&sprefix=keiki%2520paste%2Caps%2C261&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyQVlQOFY5MjJURUo3JmVuY3J5cHRlZElkPUEwMzczMDgwN1RKRVVXVEYwTUM3JmVuY3J5cHRlZEFkSWQ9QTA3Njg3NTgxRDU4NDZXUEhOQ0NRJndpZGdldE5hbWU9c3BfcGhvbmVfc2VhcmNoX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=