Happy frog perlite? Do you mean Happy Frog with perlite (if so, how much?) or straight perlite?
If you're using straight perlite, there's your problem. Lime is the kind of thing you would ideally add to a mix prior to planting in, and you wouldn't use lime with straight perlite.
At this point you need soluble calcium fast, something like General Organics CaMg but there are plenty of Cal-Mag products out there.