Larian Studios Forums Divine Divinity (English) Help/Tips/Tricks Selecting Poison for Weapon? Can it be done?

Skill description for poison damage/Warrior path:

When cast, this spell causes all your melee attacks to inflict additional poison damage. Ranged attacks do not receive a bonus.

In-game stats
Level 1: Attack inflicts 2+3 poison damage. 10 percent chance of inflicting poison damage per strike. Required Clvl: 5
Level 2: Attack inflicts 8+10 poison damage. 15 percent chance of inflicting poison damage per strike. Required Clvl: 11
Level 3: Attack inflicts 12+14 poison damage. 20 percent chance of inflicting poison damage per strike. Required Clvl: 17
Level 4: Attack inflicts 16+18 poison damage. 25 percent chance of inflicting poison damage per strike. Required Clvl: 23
Level 5: Attack inflicts 20+22 poison damage. 30 percent chance of inflicting poison damage per strike. Required Clvl: 29
--------------
I see no difference between potion sizes here.
Kiya