Meet the Core of Clean Water

Revolutionize Your Water System with Twice

Discover a new era of water treatment that combines cutting-edge technology with nature’s purity. Our innovative solutions ensure your water is naturally softened, free from harmful salts, and eco-friendly.

Explore Our Solutions

Product Specifications

Salt-Free Scale Prevention and Reversal

  • Uses patented alloy catalyst to alter mineral crystallization

  • Prevents limescale formation on surfaces

  • Gradually dissolves existing scale over time

  • Reduces energy consumption in water heaters, boilers, and appliances

Engineered Alloy, Inspired by Nature

  • Constructed from multi-element alloy composite

  • Patented design (IPSE / Doctor Scale)

  • Zero electricity, zero additives

  • Corrosion-resistant, safe for all water types

  • Certified by national and international bodies (e.g. NSF, CNPC, Ministry of Education Innovation Awards)

Install It. Forget It.

  • Inline design for simple integration with existing water systems

  • IPSE (home): installed after the water meter or pre-filter

  • Doctor Scale (industrial): customized per flow rate, system pressure, and water quality

  • No maintenance, salt, or cleaning cycles required

  • Lifespan: 5–10 years depending on usage and water type

Twice vs. Traditional Softeners

Twice (IPSE / Doctor Scale)

  • ✅ Salt-Free
  • ✅ Power-Free
  • ✅ Maintenance-Free
  • ✅ Removes Existing Scale
  • ✅ Eco-Friendly (brine discharge)
  • ✅ Suitable for Drinking Water (Limited)
  • Lifespan up to 10 years
  • Certification NSF / Patents

Traditional Salt Softener

  • ❌ Salt-Free
  • ❌ Power-Free
  • ❌ Maintenance-Free
  • ❌ Removes Existing Scale
  • ❌ Eco-Friendly (brine discharge)
  • ❌ Suitable for Drinking Water (Limited)
  • Lifespan 5 Years (with upkeep)
  • Certification Sometimes NSF
Experience Twice