(9 customer reviews)



Ef-Chlor is a renowned brand of water tank purification tablets, with the Ef-Chlor 8.68gm NaDCC tablet capable of purifying up to 2500 liters of water in both overhead and underground tanks globally. These tablets find versatile applications in various settings, including housing societies, flats/apartments, commercial offices, hospitals, and food industries, catering to all types of small to large water tanks.

Recognizing the potential for water contamination as it travels through unsafe pipelines and storage containers before reaching consumers, Ef-Chlor addresses this concern effectively. Many individuals may not be aware of where to use NaDCC tablets in water tanks.

ef chlor logoFor those seeking guidance on how to use chlorine tablets for water tank purification, Ef-Chlor water tank purification tablets offer a guaranteed solution, eliminating 100% of bacteria, pathogenic microorganisms, and all known viruses. Simply dropping one tablet into overhead and underground water tanks, treating up to 2500 liters of water, ensures the eradication of bacteria and viruses within just 30 minutes.

Ef-Chlor stands as the premier choice for water tank purification tablets worldwide. In contemporary times, these water purification tablets are widely embraced for drinking water purification, acting as a disinfectant, cleansing agent for washing fruits and vegetables, facilitating surface cleaning, and serving sterilization purposes.

✓ 50 NaDCC Tablets of 8.68gm, Use 1 Tablet In 2500 Litres of Water
✓ NaDCC Based Chlorine Tablets For Water Purification Use Only

#1 Best Water Tank Purification Tablets

Best Water Tank Purification Tablets, How to Use NaDCC Tablets, Efchlor 8.68gm - Advantages and Benefits of Water Tank Purification Tablets, Advantages and Benefits of Water Tank Purification Tablets, Importance of Water Tank Purification Tablets, How Water Tank Purification Tablets WorkEf-Chlor stands out as the world’s most popular and effective water tank purification tablets, designed to eliminate bacteria and pathogenic microorganisms from water. These tablets contain NaDCC, or Sodium Dichloroisocyanurate, a form of chlorine widely recognized for its efficacy in water purification, general disinfection, and sterilization.

The NaDCC Tablets boast a 60% chlorine content and include an effervescent additive that not only reduces the taste of chlorine but also ensures the product is safe from potential overdose. Ef-Chlor is the preferred choice among NaDCC tablets, enjoying common usage and recommendations from esteemed organizations such as the World Health Organization (WHO), major aid agencies, disaster relief organizations, NGOs, municipal corporations, ministries of health, peacekeeping/defense forces, marine, airlines, and more.

Ef-Chlor has earned its reputation as a renowned brand of NaDCC tablets, specifically crafted for drinking water purification, disinfection, and sterilization. Its versatile applications extend to purifying clouded water and household drinking water, as well as sterilizing equipment and surfaces in various settings, including home, office, clinic, hospital, food manufacturing, and service industries.


Advantages and Benefits of Water Tank Purification Tablets
    • Very safe to handle and store, Stable tablets with 3 years shelf life.
    • Recommend by leading infection control experts worldwide.
    • Effective against virtually all known Bacteria, Viruses, and Spores.
    • Compact storage and transport reducing transport costs.
    • Economic and accurate-no under or over-dosing.
    • Greater Biocidal Effect – Rapid release clear disinfecting solution.
    • Fast dissolving and kills bacteria and viruses in just 30 mins.
    • Available in a wide selection of tablet strengths.
    • Iodine FREE & Resistant to organic spoilage.
Importance of Water Tank Purification Tablets

Drinking water, also referred to as potable water, is essential for human consumption and safe use in food preparation. Access to pure water is a fundamental necessity for maintaining good health. Unfortunately, billions of people worldwide still face challenges in obtaining potable water, resorting to either untreated drinking water or water from unsafe and contaminated sources. In situations where the drinkability of water is uncertain, the use of the best water purification tablets becomes crucial. These tablets play a vital role in removing contaminants from the water, ensuring it becomes pure and safe for consumption or for various other purposes.

How Water Tank Purification Tablets Work

When added to water, Ef-Chlor dissolves to release a measured dose of Hypochlorous Acid (free available chlorine) that is universally recognized as a safe and adequate water disinfectant. These water tank purification tablets work very quickly and purify water within 30 minutes. Once water is disinfected it is safe to consume. Ef-Chlor is the world’s no.1 brand in the category of water purification, disinfectant and sterilization tablets worldwide.

These tablets are known for their fast-dissolving and effervescent nature, containing NaDCC for a variety of water-related applications, including purification, treatment, disinfection, and sterilization. Ef-Chlor’s water purification tablets, based on Sodium Dichloroisocyanurate (NaDCC/SDIC), effectively combat microorganisms in the water, offering protection against waterborne diseases such as cholera, typhoid, jaundice, diarrhea, dysentery, giardiasis, polio, infantile diarrhea caused by rotavirus, candidiasis, bacillary dysentery, skin infections, Escherichia coli (E. coli) bacterial infections, urinary tract infections, and various other water-borne diseases.

Ef-Chlor Manufactured By Hind Pharma stands as a leading name in NaDCC tablets for water purification and disinfection purposes. You can explore the List of Best NaDCC Tablets

Additional information
Brand Name



NaDCC / SDIC, Chlorine


Purify Upto 1000 Litres of Water


50 Tablets In A Jar

Perfect For

Drinking Water Purification, Sterilization, Home Water Purification, Household Tank Water Purification, Household Water Treatment, Overhead Tank Water Purification, Underground Tank Water Purification, Water Purification For Household Tank, Water Purification For Overhead Tank, Water Purification For Underground Tank, Water Tank Purification, Water Tank Treatment


Hind Pharma

Usage / Application

Disinfection, Fruits and Vegetables Wash, Sterilization, Surface Cleaning, Water Purification, Water Treatment

Prevent Diseases

Diarrhea, Typhoid, Jaundice, Dysentery, Giardiasis, Polio, Infantile Diarrhea by Rotavirus, Candidiasis, Bacillary Dysentery, Skin Infections, Escherichia coli / E.coli Bacteria Infection, Urinary Tract Infections, Other Water Borne Diseases

Export Worldwide

For Emergency Relief Supply, Tender Opportunity, Institutional Supply, Authorized Distributorship, Manufacturing For Export, Private Label Manufacturing

How to Use NaDCC Tablets, Ef-Chlor 8.68gm

✓ For emergency use with clouded water: Dissolve 1 tablet in 1200-1500 litres of clouded water. Heavily contaminated water should first be filtered or allowed to settle. (Water of unknown quality, surface water and open wells.)

✓ For clear or household drinking water use: Dissolve 1 tablet in 2500 litres of clean and clear water. (Water from boreholes and clear municipal tap water).

Packaging: 50 NaDCC Tablets In 1 Jar

Dissolving Time: Wait for 30 min minimum before use.


Technical Specification & Requirement of Chlorine

Each uncoated ef-chlor tablet contains
Sodium Dichloroisocyanurate (NaDCC) 8.68gm | Available chlorine 5gm

Requirement of Chlorine for Water Treatment Across the World:

Source of WaterAmount of Chlorine Required
Bore Well Water2 ppm (2mg per litre)
Well Water3 ppm (3mg per litre)
Pond Water / River Water5 ppm (5mg per litre)

NOTE: If the water to be treated is dirty/murky/turbid/muddy then it should be filtered through a cloth such as a t-shirt/filter cloth until clear or allowed to sit until the sediment settles down. The decanted clear water should then be disinfected using Ef-Chlor 8.68 gm tablet.

9 reviews for Water Purification Tablets For 2500 Litres – 8.68gm NaDCC Tablets
  1. Jody (verified owner)

    I got excellent support for this item. They were patient with me, and helped me solve my issue. I recommend this company.

    1 product
  2. Lola (verified owner)

    Not the best thing, but worth the money

    1 product
  3. Paxton (verified owner)

    I rarely leave a comment, but this item is beyond worth it! Gotta let you guys know!

    1 product
  4. Ora (verified owner)

    Hope to see your improvement over time.

    1 product
  5. Morgan (verified owner)

    Great item. Easy to use and really clean. Worked perfectly!

    1 product
  6. Eddie (verified owner)

    A promising product, worth trying

    1 product
  7. Reta (verified owner)

    The first time I got the urges to leave a comment, but this is simply a top-notch thing you can find.

    1 product
  8. Myron (verified owner)

    It’s far better than those similar products, while the price is still acceptable.

    1 product
  9. Karen (verified owner)

    Want some more customization possible.

    1 product

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