Comparing Alkaline vs Copper Water Purifiers

Alkaline water purifiers raise the pH of water and add minerals like calcium, magnesium, and potassium. Copper water purifiers release copper ions that kill bacteria and viruses and offer additional health benefits. The right choice depends on whether your priority is mineral enrichment or antimicrobial protection.

• Alkaline water purifiers start at Rs. 11,000 (Pureit) and go up to Rs. 15,000 (Kent) in India
• Copper water purifiers start at Rs. 13,000 (Pureit) and go up to Rs. 18,000 (Kent) in India
• Alkaline purifiers use ionisation to raise pH and enrich water with calcium, magnesium, and potassium
• Copper purifiers use copper-infused filters to release copper ions that kill harmful bacteria and viruses
• Both types offer antioxidant properties and are believed to support digestion and immunity

Convert the cost of your new water purifier into Easy EMIs using Bajaj Finance's financing options at over 1.5 lakh partner stores such as Reliance Digital, Croma, Vijay Sales, and more. Check your loan eligibility before you head to the store.

An alkaline water purifier uses a process called ionisation to raise the pH level of drinking water, making it more alkaline than regular tap water. During this process, the purifier also adds beneficial minerals — including calcium, magnesium, and potassium — to the water.

Alkaline water is believed to have antioxidant properties and to support better hydration and digestion. Most alkaline purifiers also include multiple filtration stages to remove impurities and contaminants before the ionisation step, ensuring the water is both clean and mineral-rich.

A useful feature of alkaline purifiers is the ability to adjust the pH level to suit individual health preferences. This customisability makes them a flexible choice for households where different family members may have different needs.

Copper water purifiers use copper-infused filters that release trace amounts of copper ions into the water during the filtration process. These copper ions have well-established antimicrobial properties — they actively kill harmful bacteria, viruses, and other pathogens that can cause waterborne diseases.

In addition to purifying water, copper purifiers enrich it with trace amounts of copper, which is linked to improved digestion, better immunity, and antioxidant benefits. Aquaguard, a well-known brand in India, offers copper water purifiers that combine advanced multi-stage filtration with copper ionisation technology for clean, microbiologically safe drinking water.

A buying caveat worth noting: while copper has established health benefits, excessive copper in drinking water can be harmful. Always ensure the copper purifier you choose is certified and meets BIS or WHO standards for copper levels in drinking water.

Both purifier types improve your drinking water in different ways, targeting different health outcomes. Understanding how each one works at a feature level helps you pick the right fit for your household. The table below gives a direct comparison of the two.

Both alkaline and copper water purifiers are available from several well-known brands in India. Copper models are generally priced higher than their alkaline counterparts from the same brand. The table below lists current prices across five leading brands.

Disclaimer: Features, availability, and pricing of each model are subject to change and may vary. For the most accurate and up-to-date information, please visit the official brand website or a partner store.

The right purifier depends on what you want your water to do for your health. Both are good choices, but they serve different purposes. Here is a practical guide to help you decide.

• Choose an alkaline water purifier if: Your priority is mineral enrichment, customisable pH levels, and antioxidant benefits — alkaline purifiers suit households that want to improve hydration quality and add essential minerals like calcium and magnesium to daily drinking water
• Choose a copper water purifier if: Your priority is antimicrobial protection — copper purifiers are better suited to areas where bacterial and viral contamination of water is a concern, as copper ions actively kill pathogens
• Consider both if: You live in an area with hard, contaminated water and want both mineral enrichment and strong antimicrobial protection — in that case, a model that combines multiple technologies may be worth the higher investment

With a longer tenure, your monthly EMI is smaller — but the total amount paid over the repayment period will be higher. Shorter tenures reduce the overall cost of financing. It is worth choosing a tenure that suits your monthly budget without stretching it.

Thinking of buying a new water purifier?

Before you do that, explore the latest offers from Bajaj Finance. You may find a great deal on a model that matches your needs.

Bajaj Finance offers two ways to convert your water purifier purchase into affordable monthly payments. Both options are available at over 1.5 lakh partner stores across 4,000 cities in India.

Both financing options are available at the checkout counter at any partner store. Here is how they compare.

How to choose?

Both options require you to be physically present at a partner store. The Insta EMI Card is ideal for shoppers who want to purchase across multiple categories over time. The Easy EMI Loan suits buyers looking to finance a higher-value purchase in a single transaction.

With over 1.5 lakh partner stores across 4,000 cities, you can buy your preferred water purifier whether you are in a metro like Delhi or a Tier-2 city like Jaipur or Lucknow. The Bajaj Finance Insta EMI Card also carries zero annual fee, making it a practical long-term financing tool for repeat home appliance purchases.

Buying a water purifier is simple and affordable with Bajaj Finance's in-store financing options. The entire process usually takes just 10–15 minutes. Follow these steps:

1. Browse models on Bajaj Mall: Explore the full range of water purifiers on Bajaj Mall. Compare purifier type (alkaline or copper), filtration stages, storage capacity, brand, and price before heading to the store.
2. Find a partner store near you: Use the Bajaj Finance store locator to find a nearby partner outlet such as Croma, Vijay Sales, or other authorised retailers.
3. Check the water purifier in person: Visit the partner store and explore available models. Check filtration technology, storage tank capacity, pH customisation (for alkaline), copper certification (for copper models), power consumption, and filter replacement cost.
4. Choose a suitable EMI option: At checkout, ask the store executive about the Bajaj Finance Insta EMI Card or Easy EMI Loan. Confirm available tenure options and whether your chosen model comes with a zero down payment offer.
5. Complete payment and schedule installation: Once approved, your purchase is processed immediately and you can schedule delivery and installation at your convenience.

You can also check your loan eligibility online in advance by entering your mobile number and OTP, helping you plan your purchase better.

Bajaj Finance’s Smart Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.

1. Dealer offers - Grab exclusive in-store deals at over 1.5 lakh partner stores across India. Enjoy local discounts and special prices you will not find online.

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