If you are too small limit items in the stack, then using this modification you will not depend on the standard settings, and will be able to decide what exactly should be the maximum size of the stack, specifying it yourself in the configuration file modification.
How to install StackUp! Mod
- For Rift version: Download and install Rift
- Download and install Minecraft Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods