So calcium chloride is not a great choice because chloride has a synergistic relationship with auxin and calcium has a synergistic relationship with cytokinin, for productive plants especially reproductive ones you want to be slightly cytokinin dominant, also the salt is an issue.

Calcium in the c++ form that is properly chelated can be translocated as the chelation agent makes it more mobile, this is not the case for non chelated calcium.

Calcium acitate is both reduced and chelated so it’s a good choice, there is also a calcium citrate product from cultivate which looks great and is also very compatible with more acidic foliar ingredients like fish hydrolisate.