Pre-Purchase Guide: What You Must Know About Water Purifiers
Investing in a water purifier is a significant decision for your family’s health and budget. Before you
buy, here are essential factors to consider:
buy, here are essential factors to consider:
1. Water Quality Assessment
Test your tap water to identify contaminants. Common issues include:
- Hard water (high calcium/magnesium) → Look for RO or ion-exchange systems.
- Sediment/rust → Pre-filters (PP cotton) are essential.
- Chlorine/odor → Activated carbon filters excel at adsorption.
- Heavy metals/fluoride → RO or nanofiltration (NF) systems are most effective.
2. Filtration Technology
- PP Cotton: Removes large particles (≥1 micron).
- Activated Carbon: Reduces chlorine, VOCs, and odors.
- RO Membrane: Removes 99% of dissolved solids, bacteria, and viruses (ideal for poor water quality).
- UF (Ultrafiltration): Filters out bacteria and colloids but retains minerals (suitable for mild contaminants).
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3. Installation and Space
- Under-sink models: Save counter space but require plumbing access.
- Countertop models: Plug-and-play, ideal for renters or small kitchens.
- Whole-house systems: Treat all incoming water but require professional installation and higher budgets.
Pre-Purchase Guide: What You Must Know About Water Purifiers
