Dr. KlarX™ Calci-Cure Makes 160 Quart Bottles – Calcium, Rust, Scale Remover – (5-Gallons Concentrate)

Product Info

Dr. KlarX™ Calci-Cure is a low-pH cleaner alternative to harsh acids.  It combines detergents and nano surfactants to effectively break down calcium, lime, rust, and other mineral deposits.

Dr. KlarX™ Calci-Cure is scientifically engineered with Nanoparticles that boost the effectiveness of our formula to rapidly penetrate and dissolve mineral deposits and rust without damage to sound metal, plastic, rubber, or synthetic hoses or cooling channels.

Where to Use

  • Clean Rust Stains and Mineral Scale
    • Fixtures
    • Pipes
    • Glass
    • Plastics
  • Clean / Descale
    • Cooling Channels in Water Cooled Molds
    • Heat Exchangers/Radiators
    • Associated Plumbing
    • Drilling / Coring Pipe
    • Pumping Equipment
  • Safely Clean Marine Engine Cooling System
  • Safely Flush Automotive Radiators

Features and Benefits

  • 100% Acid-Free / 100% Biodegradable
  • Safe on Piping and Pumping Equipment
  • No Secondary Containment is Required
  • No Disposal Restrictions
  • Non-Toxic
  • Non-Corrosive
  • Non-Mutagenic for Marine Life
  • Neutralizes Easily with Water

Confirmed Testing

Toxicity Studies

  • Toxicity Limits: Test Procedure OECD 202, 48 hr.
  • NON-TOXIC to LC50 and LD50
  • Mutagenicity Limits: OECD Guidelines Sec.471 Chemicals in KlarX™ Calci-Cure proven NON-MUTAGENIC
  • Dermal Irritation & Corrosion Test:
  • A modified Draize method was used per OECD Guidelines for the Testing of Chemicals Sec. 404 and complies with the requirements of OECD Principles of GLP, Annex revised as of July 1992
  • KlarX™ Calci-Cure gets a Primary Irritation Score of .09+/-0.2 and is classified as a “Very Mild Skin Irritant”

Biodegradation & Aquatic Safety

  • KlarX™ Calci-Cure 100% Biodegradable Test Procedure: Hach Reactor Digestion Method adaptation of the Standard Methods for Waste Water & Sea Water.
  • COD = Low Detectable Limits
  • BOD = No Detectable Limits
  • Ecological Study:
    • 96 hr. LC50: Flathead Minnow > 600 mg/1 = Non-Toxic
    • 96 hr. LC50: Rainbow Trout > 20mg/1 = Non-Toxic

Metal Studies

Unlike acids, Dr. KlarX™ Calci-Cure is proven NON-DESTRUCTIVE to human skin

  • DOT Test Protocols: Section 173.1 54 Exceptions for Class 8 materials
  • Metal Test Limits
  • NON-CORROSIVE. O.T. Classification Non-Corrosive < 6.25 mmpy. Dr. KlarX™ Calci-Cure = 0.23 mmpy.
    Result: Non-CORROSIVE

Classifications & Approvals

  • O.T., TDG, IMO, IATA, IMDG, SARA 313 311/312, California Prop 65 Non-Regulated
  • USDA Authorization:
    • A1 – General Cleaners
    • A2 – Soak Tank, Stream/Mechanical Cleaners
    • A3 – Acid Cleaners
    • A4 – Floor and Wall Cleaners
    • A7 – Metal Polishes – Nonfood Contact
    • A8 – Degreasers / Carbon Removers
    • C2 – Toilet / Dressing Room
    • G6 – Boiler Treatment Products – All Food Processing Areas / Food Contact
    • G7 – Boiler Treatment Products – All Food Processing Areas / Nonfood Contact
  • FDA– Approved as Safe (GRAS): (CGMP) CFR 184, 1923
  • Navsea, US COAST GUARD, NOAA, and HRSD approved for direct disposal into VA Sewer System

Use Instructions

  • Clean with one of our specialized cleaners to remove soil, oils, and grease.
  • Rinse to neutralize.
  • Apply diluted Calci-Cure™, and let set for 1-3 min.
  • Scrub with the grain of metal with white Scotch-Brite if necessary.
  • Rinse thoroughly and let dry.
  • Seal with Fortify to prevent re-rusting, soil accumulation, and corrosion and maintain luster longer.
  • Determine the proper dilution rate with prior testing.
  • Light Buildup: Dilute 4 oz per quart (32oz)
  • Moderate Buildup: Dilute 6 oz per quart (32oz)
  • Heavy Buildup: Dilute 8 oz per quart (32oz)
  • Severe Buildup: Use undiluted


  • Size: 1-gal, 2/1-gal, 4/1-gal, Pails, Drums, and Totes
  • Appearance: Ambered colored deodorizing fragrance
  • Concentrate – Dilute 4 oz to 8 oz per quart
  • pH: 8-9
  • Non-Hazardous and Non-Toxic
  • Stable under normal ambient temperature conditions


As with all cleaning products, use protective wear (mask, gloves, and goggles to avoid skin and eye contact).


Each order of Calci-Cure™ comes with a 5-gallon pail of concentrate.

To learn more about these and any other products, other sizes, and discounts for bulk orders, please contact us at 888.637.6760 ext. 165.

Additional information

Weight 43.9 lbs
Dimensions 13 × 13 × 16 in