Water Purifier Buying Guide

Jun 28, 2024

Water Purifier Buying Guide

Importance of Checking TDS

  • Check TDS of tap water before deciding on a water purifier.
  • RO purifiers can reduce TDS by over 90%, but excessive use can decrease TDS to less than 50.
  • Use a TDS meter to check TDS levels.

Choosing the Right Purifier Based on TDS

  • TDS < 200: Use a UV/UF water purifier.
  • TDS 200-500: Consider a Nano or RO purifier with TDS adjustment.
  • TDS > 500: Use an RO water purifier (no need for TDS adjustment).
  • Water containing arsenic or lead: Use a Nano or RO purifier regardless of TDS.

Common Objections Addressed

  • TDS < 500: Necessary to stay within appliance limits; RO may still be needed.
  • Low TDS levels: Can mix a small amount of UF purified water to maintain TDS levels ideal for drinking (50-150 ppm).

Key Features to Consider

  1. Filter Maintenance Costs
    • Urban Company offers a 2-year warranty on filters.
    • Check replacement frequency and costs.
  2. Service Network
    • Kent and Aquaguard have the best networks.
    • Service depends on area; ask for demonstrations if required.
  3. Pre-filtration
    • Pre-filters and sediment filters help extend the life of the RO membrane.
    • Important for areas with high sediment levels in water.
  4. Filter Options
    • UF Filters: Used for removing viruses and bacteria.
    • Carbon Filters: Removes odors and improves water taste.
  5. Additional Features
    • Mineralizer & Alkaline modules: Optional.
    • Copper infusion: May alter water taste.
    • Tank Capacity: Ranges from 5 to 10 liters; important during power cuts.
    • Stainless Steel Tanks: Available in some Aquaguard and Havells models.
    • Hot Water Dispensing: Only in some models like AO Smith Z1.
    • Electricity-Dependent Dispensing: Relevant for areas with frequent power cuts.
      • Touch-based dispensing models not recommended without power backup.
    • TDS Level Display: Available in Urban Company models.
  6. Price Range
    • Ranges from ₹8000 to ₹20000 depending on advanced features.

Recommended Models

Without TDS Adjuster/Controller (Ideal for TDS > 500 ppm)

  1. Lifepure Glow Star & Lifepure Glow Pro
    • Similar capabilities; Glow Star includes an optional mineralizer module.
    • 7-liter capacity.
  2. Genra (with stainless steel tank)
    • Dispenses without electricity, ideal for families of 3-5 people.
  3. Eco (basic model)
    • No hot water dispensing.
  4. AO Smith Z8 (advanced model)
    • Includes hot water dispensing.

With TDS Adjuster/Controller (Ideal for TDS 200-500 ppm)

  1. Sure Delight
    • 6-liter tank, 5-stage filtration.
  2. Kent Supreme RO
    • Good service network, 10-liter capacity.
  3. Urban Company Native M RO Purifier
    • 10-stage filtration, 2-year warranty.
    • Touch-based water dispensing (needs uninterrupted power).

Considerations for UV/UF Purifiers

  • Ideal for TDS < 200 ppm
  • Pre-filters & Sediment Filters Needed
    • Removes large particles and extends filter life.
    • Not always included in Aquaguard and Kent models; to be purchased separately.
  • Warranty & Maintenance
    • Typically 1-year; some offer 5-year UV lamp warranty.
    • Filter replacement costs range from ₹1500 to ₹2000.
  • Tank Size & Material
    • Ranges from 0 (instant purifiers) to 10 liters.
    • Stainless steel tanks available in specific models like Aquaguard Marvel.
  • Electricity Dependency
    • Some models dispense without electricity.
  • Hot Water Dispensing
    • AO Smith Z1 provides hot water (only UV purifier).

Recommended UV Purifiers (Budget < ₹8000)

  1. Lifepure Glitz UV
    • 7-liter tank, suitable for small-medium families.
  2. Faber XV8
    • Includes essential filtration, decent service in Tier 1 and 2 cities.
  3. H PURE Classic G2
    • Includes 5-year UV lamp warranty.
    • Provides SS tank and optional TDS adjuster.

Benefits of Nano Water Purifiers

  • Ideal for TDS 200-500 ppm.
  • Less water wastage compared to RO purifiers (0.5-1.5 liters per liter purified).
  • Effective in removing heavy metals like lead and arsenic.

Recommended Nano Water Purifiers

  1. Pure Pro PS
    • Supports TDS up to 1200 ppm; includes UV, UF, and carbon filters.
  2. KN Healthy Drops
    • Similar to Pure Pro; no UV sterilization, lower filter replacement costs.

Note

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