Drain-Free by CleanPrince, 0.5 L liquid drain cleaner for pipes Technical data: density 1.45 g/cm3; appearance clear; pH approx. 13; odorless Hazards: contains 45% potassium hydroxide; UN1814; danger; H290/H302/H314 Areas of application: removing blockages and odors in Allen drains and pipes, especially in kitchens and bathrooms as well as in showers and bathtubs Usage: If drain is clogged, remove water; pour hot water; add about 200 ml concentrate; leave 30 minutes; rinse with warm water. For weekly cleaning, pour about 50 ml. Safety: wear PPE; do not mix with other cleaners; test compatibility before use. .
eBay