Diversol/Chloroclean

Diversol is a chlorine-based cleaner and sanitizer, also known as Chloroclean, SparkleBrite, B-Brite, Sanibrew, or Pink Stuff, commonly used for cleaning and sanitizing beer and wine equipment. 
Here's a more detailed breakdown:
What it is: Diversol is a pink powder that contains chlorine and alkaline components, making it a powerful cleaner and sanitizer. 
Other names: It's also known as Chloroclean, SparkleBrite, B-Brite, and Pink Stuff. 
Uses: It's widely used for cleaning and sanitizing beer and wine equipment, ensuring a clean and contaminant-free brewing environment. 
How to use:
Dissolve 1-3 tablespoons per 4 liters of warm water. 
Wash items and rinse well with warm water. 
For heavily soiled bottles or equipment, soak overnight. 
Use a bottle brush to remove excess grime and dirt. 
Rinse thoroughly. 
Do not reuse.