Your steady hand increases your chances of success with spontaneous alchemy and reduces your number of mishaps.
Prerequisite(s): Craft (alchemy) 3 ranks
Benefit(s): When attempting Craft (alchemy) checks to create items using spontaneous alchemy, you gain a cumulative +1 circumstance bonus for each distinct reagent called for by the recipe. A failed Craft (alchemy) check results in a mishap only on a natural 1. Finally, you take no penalties on Craft (alchemy) checks when using improvised equipment to create items using spontaneous alchemy.
Pathfinder Player Companion: Alchemy Manual © 2014, Paizo Inc.; Authors: Jason Nelson, Patrick Renie, and David N. Ross.