HMK Terracotta Cleaner - Acid Base

HMK R165 Terracotta Cleaner

HMK Terracotta Cleaner - Acid Base

Regular price $27.49 Sale price $24.74 Save $2.75
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Introducing HMK® R165 Terracotta Cleaner – your professional solution for restoring the beauty of terracotta and clay-based surfaces. Formulated as a heavy-duty acid-based cleaner, HMK® R165 efficiently tackles tough grout and cement residues, construction dirt, and persistent mineral deposits, making it an essential product for renovation and maintenance projects.

Key Features

  • Versatile Application: Effective on unglazed terracotta, clay tiles, brick, block paving, and other acid-tolerant surfaces.
  • Advanced Formula: Contains special inhibitors to control oxidation of metallic deposits, protecting the natural beauty of your surfaces.
  • Interior and Exterior Use: Designed for comprehensive application, suitable for both indoor and outdoor environments.
  • Effective Cleaning: Removes grout and cement residues, lime and calcium deposits, efflorescence, and other construction-related contaminants.


  • Targeted Action: Specially formulated to dissolve the toughest deposits without damaging the inherent character of terracotta and clay materials.
  • Safety Features: Includes oxidation inhibitors to prevent damage to metallic elements within clay tiles and bricks.
  • Efficient Coverage: Offers substantial coverage, with diluted solutions covering up to 4,000 sq ft, ensuring cost-effectiveness.
  • Environmentally Considerate: Advised use includes protective measures for adjacent surfaces and recommendations for safe disposal of cleaning residues.

Warnings and Storage

  • Sensitive Material Caution: Not suitable for acid-sensitive materials such as polished stone or metals. Avoid application in direct sunlight and extreme temperatures.
  • Safety Precautions: Corrosive nature; avoid contact with skin and eyes. Use appropriate protective gear during application.
  • Storage Instructions: Store in a cool, dry place with the lid tightly closed to maintain efficacy.

Usage Instructions

Dilute HMK® R165 with clean water as required (1:2 to 1:10 ratio), apply to a pre-wetted surface, and scrub thoroughly. Do not allow the solution to dry on the surface. Post-cleaning with HMK® R155 Intensive Cleaner enhances results and ensures complete removal of acidic residues.


For effective deep cleaning and restoration of terracotta and clay surfaces, HMK® R165 Terracotta Cleaner offers a robust solution backed by innovative cleaning technology and safety measures, making it a superior choice for professionals and homeowners alike. Always perform a test patch to ensure compatibility.

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