Use the Effects and Spark Abilities from the New Infuse SMP Revamped Plugin. Has 12 Effects/Sparks 8 Primary and 4 Support you can get them by crafting them with different recipes.
Select version for changelog:
Changelog
Change Log
- Added a new fix for the potions not equipping
- Removed Drinking the potion to equip
- Now just right click to equip it
(JJ said it in his new video)