Final answer:
The only product used to clean and sanitize floor drains is an alkaline drain cleaner, which contains sodium hydroxide as the main ingredient.
Step-by-step explanation:
The only product used to clean and sanitize floor drains is an alkaline drain cleaner.
Alkaline drain cleaners are effective in dissolving greases and hair that can clog drains.
They contain sodium hydroxide as the main ingredient, which is a strong base.