There's specific fertilizer for them but I've just been using the same water soluble mix that's technically meant for vegetables and let them soak for 15~ minutes before draining. Bonus points you can just dump the solution into the soil of other house plants.
getting those things to bloom is an achievement for sure, i'll suggest that to my mom who has a bunch of them that don't bloom
There's specific fertilizer for them but I've just been using the same water soluble mix that's technically meant for vegetables and let them soak for 15~ minutes before draining. Bonus points you can just dump the solution into the soil of other house plants.