How can I improve my CI SPORK build?

Ever thought of dropping your spell totem and use spark yourself? Thats what i use. Spark and fire trap everything with tempest shield + clarity/purity/discipline/conductivity. No need any totems. Ive had no troubles yet. (lvl 80)

Just lately ive tried to add totem to my build. Its ice nova one for those very nasty situations on higher lvl maps. Works well for me

Are you able to keep up with the mana rate? I mean a 5L link skill is something like 100ish mana?