CLR® Build Up Remover

CLR Build Up Remover dissolves sources of clogs such as oil, soap scum, shampoos, conditioners, toothpaste, shaving cream and kitchen waste. Keeps drains running smoothly. Use in sinks, toilets, showers, drains, garbage disposals and grease traps.

Fragrance free- safe for all pipes!

Look for CLR Build Up Remover in these sizes: 42 oz. bottle
Where to Buy
How To Use
For best results apply during time of minimal water usage or overnight.

Slow Drains:
Apply 2 ounces per day directly into drain for 5 consecutive days or until drain flows freely.

Drain Preventative Mainentance:
Apply 3 ounces per month directly into each drain.

Garbage Disposals:
Pour 2 ounces per month into runnind disposal. Quickly turn off disposal and let sit overnight. 

Download Safety Data Sheet

This product was determined not to be Subject to Dislosure under the California Cleaning Products Right to Know Act.


Dilutent: CAS #7732-18-5. Reverse Osmosis (RO) is a water treatment process that removes contaminants from water by passing the water through a membrane, (filter), where contaminants are filtered out yielding more pure quality water.
Ammonium Phosphate, Monobasic
An inorganic salt widely used in fertilizer, baking powder and yeast production. It is also employed as an agent to control pH of a solution, in corrosion inhibition.
Sodium Nitrate
Corrosion Inhibitor: CAS #7632-00-0. It can be used as an additive in industrial greases, as an aqueous solution in closed loop cooling systems, and in a molten state as a heat transfer medium. It is also a common food preservative.