Before buying a water purifier, conduct a thorough assessment to meet your household needs:

- Water Quality Analysis: Test your tap water for TDS, heavy metals, and contaminants (use a home test kit or professional service).
High TDS (over 200ppm) may require RO filtration, while low TDS water could suffice with UF (Ultrafiltration) systems.
- Usage Scenarios:
- Family of 4+: Choose models with high daily output (e.g., 400G or above) to ensure continuous water supply.
- Renters: Opt for compact, portable designs or countertop models that are easy to install and relocate.

- Maintenance Costs: Calculate long-term expenses, including filter replacement frequency and costs. Some purifiers offer cost-effective
bulk filter packages or subscription services.
- Installation Space: Measure under-sink or countertop space to avoid compatibility issues. Wall-mounted models are ideal for small kitchens.
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Taking these steps ensures you select a purifier that aligns with your 水质 (water quality), lifestyle, and budget.
