
CLR PRO MAX® Industrial Descaler
Effectively dissolves and eliminates heavy buildup like scale, rust, and struvite, from a variety of industrial equipment and drains.
- Helps quickly restore equipment to peak condition.
- Dissolves & eliminates buildup like calcium, lime, rust, struvite, magnesium, and more in industrial equipment and drains.
- Helps to increase operational efficiency & prolong lifespan of machinery.
- Non-flammable, odor-free formula helps ensure a safer working environment.
- Use for heavy buildup in: Heat Exchangers, Evaporators, Cooling Towers, Boilers, Ball Mill Rollers, Pipes built with Struvite, any place where scale build up occurs.
- NSF Registered Category A3
Available In:
How to use this product
Directions for use for closed loop equipment:
For more ways to use this product, see our How-To videos.
- Isolate equipment from freshwater supply.
- Attach pump and hose to supply valve and open return valves.
- Dilution will depend on soil load. Start with 1:1 dilution.
- Vent system to prevent pressure buildup. Avoid splattering.
- Rinse system thoroughly with potable water.
For more ways to use this product, see our How-To videos.

Product ingredients
Water | Dilutent: CAS #7732-18-5 | ||
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. | |||
Methanesulfonic acid | Acid (CAS # 75-75-2) | ||
Acid (CAS # 75-75-2) | |||
Tripropylene Glycol n-Butyl Ether | Solvent: CAS #55934-93-5. | ||
Solvent: CAS #55934-93-5. Used to slow down the evaporation of many liquid products including oven cleaners and inks for ball-point and felt-tip pens. It is very effective at absorbing organic material. California CPRKA Designated Lists (12) US NTP Reproductive or Developmental Toxicants. https://ntp.niehs.nih.gov/publications/monographs/index.html (16) California NLs. https://oehha.ca.gov/water/notification-levels-chemicals-drinking-water (18) California TACs. https://ww3.arb.ca.gov/toxics/id/taclist.htm (20) California Non-Cancer Hazards. https://oehha.ca.gov/air/general-info/oehha-acute-8-hour-and-chronic-reference-exposure-level-rel-summary |
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Trisodium Dicarboxymethyl Alaninate | Chelating Agent: CAS #164462-16-2. | ||
Chelating Agent: CAS #164462-16-2. environmentally friendly chelating agent, a compound that makes metals more soluble in water. It is a substitute for phosphates and is approved by, and listed on the EPA Design for the Environment Certification Program (DFE). | |||
Glycol Ether | Wetting Agent (CAS # Trade Secret) | ||
Wetting Agent (CAS # Trade Secret) | |||
Liquitint Bright Yellow | Colorant (CAS# Trade Secret) | ||
Colorant (CAS# Trade Secret) |