Skip to content

Free shipping to lower 48 states for orders over $79, and to Alaska and Hawaii when less than one pound. Learn more.

  • RO / Undersink
  • UV Purifier
  • Hard Water
  • Water Testing
  • Shower
  • Garden / Farm
  • Essential
  • All Products
    • All Products
    • Free Trial
      • Free ChloraClear shower filter product trial
      • Free garden filter product trial
    • By Application
      • Undersink
      • Faucet
      • In-line
      • Testing
      • Whole House
    • By Water Issue
      • Bacteria, Cyst & Virus
      • Chloramine & Chlorine
      • Scale & Hardness
      • Iron, Manganese & Hydrogen Sulfide
  • Support
    • Warranty Registration
    • Product Manual
    • Blog
    • Contact Us
    • How-to video
Log in
  • Facebook
  • Instagram
Envig
  • RO / Undersink
  • UV Purifier
  • Hard Water
  • Water Testing
  • Shower
  • Garden / Farm
  • Essential
  • All Products
    • All Products
    • Free Trial
      • Free ChloraClear shower filter product trial
      • Free garden filter product trial
    • By Application
      • Undersink
      • Faucet
      • In-line
      • Testing
      • Whole House
    • By Water Issue
      • Bacteria, Cyst & Virus
      • Chloramine & Chlorine
      • Scale & Hardness
      • Iron, Manganese & Hydrogen Sulfide
  • Support
    • Warranty Registration
    • Product Manual
    • Blog
    • Contact Us
    • How-to video
Log in Cart

Item added to your cart

Blog

A small test to show why TOC can be a much better water quality indicator

A small test to show why TOC can be a much better water quality indicator

August 25, 2022

Can Vitamin C remove chloramine in shower water?

Can Vitamin C remove chloramine in shower water?

June 2, 2022

If you search products that claim to remove chloramine from your shower water, you will most likely see an ocean of products that can be grouped into two categories: one...

The truth about TDS as a measurement of water quality

The truth about TDS as a measurement of water quality

April 7, 2022

One of the simplest and easiest ways to gauge your water quality is to measure its TDS, or Total Dissolved Solids. Actually it is so easy and cheap to buy...

How much do you need to worry about chloramine in your water?

How much do you need to worry about chloramine in your water?

January 27, 2022

What is chloramine? Chloramine is a water disinfectant used by more and more municipal water treatment plants to inactivate microorganisms, including pathogens that can cause waterborne diseases. It is generated...

Is hardness the same thing as alkalinity?

Is hardness the same thing as alkalinity?

December 3, 2021

One of the most common confusion in water quality parameter is hardness and alkalinity. The fact that they are both expressed in mg per liter, or ppm, of calcium carbonate,...

Why RO water is slightly acidic and does it really matter?

Why RO water is slightly acidic and does it really matter?

October 28, 2021

You are thinking of buying a reverse osmosis system. You did your research and ran across sayings out there about RO water being acidic is not good for you. You start...

  • 1
  • 2

Shop

  • RO / Undersink
  • UV Purifier
  • Hard Water
  • Water Testing
  • Shower
  • Garden / Farm
  • Essential
  • All Products
  • Support

Support

  • Warranty Registration
  • Product Manual
  • Blog
  • Contact
  • Affiliate
  • Clean Water For Ukraine
  • How-to Video

Policy

  • Shipping Policy
  • Refund Policy
  • Terms of Service
  • Privacy Policy
  • California Consumer Privacy Act

Contact Information

Business Hours:
9:00AM - 5:00PM ET Mon - Fri

Email: cs@envig.cc
Phone: +1 (919) 964-0901

Subscribe to our emails

  • Facebook
  • Instagram

Country/region

  • Afghanistan (USD $)
  • Åland Islands (USD $)
  • Albania (USD $)
  • Algeria (USD $)
  • Andorra (USD $)
  • Angola (USD $)
  • Anguilla (USD $)
  • Antigua & Barbuda (USD $)
  • Argentina (USD $)
  • Armenia (USD $)
  • Aruba (USD $)
  • Ascension Island (USD $)
  • Australia (AUD $)
  • Austria (USD $)
  • Azerbaijan (USD $)
  • Bahamas (USD $)
  • Bahrain (USD $)
  • Bangladesh (USD $)
  • Barbados (USD $)
  • Belarus (USD $)
  • Belgium (USD $)
  • Belize (USD $)
  • Benin (USD $)
  • Bermuda (USD $)
  • Bhutan (USD $)
  • Bolivia (USD $)
  • Bosnia & Herzegovina (USD $)
  • Botswana (USD $)
  • Brazil (USD $)
  • British Indian Ocean Territory (USD $)
  • British Virgin Islands (USD $)
  • Brunei (USD $)
  • Bulgaria (USD $)
  • Burkina Faso (USD $)
  • Burundi (USD $)
  • Cambodia (USD $)
  • Cameroon (USD $)
  • Canada (CAD $)
  • Cape Verde (USD $)
  • Caribbean Netherlands (USD $)
  • Cayman Islands (USD $)
  • Central African Republic (USD $)
  • Chad (USD $)
  • Chile (USD $)
  • China (USD $)
  • Christmas Island (USD $)
  • Cocos (Keeling) Islands (USD $)
  • Colombia (USD $)
  • Comoros (USD $)
  • Congo - Brazzaville (USD $)
  • Congo - Kinshasa (USD $)
  • Cook Islands (USD $)
  • Costa Rica (USD $)
  • Côte d’Ivoire (USD $)
  • Croatia (USD $)
  • Curaçao (USD $)
  • Cyprus (USD $)
  • Czechia (USD $)
  • Denmark (USD $)
  • Djibouti (USD $)
  • Dominica (USD $)
  • Dominican Republic (USD $)
  • Ecuador (USD $)
  • Egypt (USD $)
  • El Salvador (USD $)
  • Equatorial Guinea (USD $)
  • Eritrea (USD $)
  • Estonia (USD $)
  • Eswatini (USD $)
  • Ethiopia (USD $)
  • Falkland Islands (USD $)
  • Faroe Islands (USD $)
  • Fiji (USD $)
  • Finland (USD $)
  • France (USD $)
  • French Guiana (USD $)
  • French Polynesia (USD $)
  • French Southern Territories (USD $)
  • Gabon (USD $)
  • Gambia (USD $)
  • Georgia (USD $)
  • Germany (USD $)
  • Ghana (USD $)
  • Gibraltar (USD $)
  • Greece (USD $)
  • Greenland (USD $)
  • Grenada (USD $)
  • Guadeloupe (USD $)
  • Guatemala (USD $)
  • Guernsey (USD $)
  • Guinea (USD $)
  • Guinea-Bissau (USD $)
  • Guyana (USD $)
  • Haiti (USD $)
  • Honduras (USD $)
  • Hong Kong SAR (USD $)
  • Hungary (USD $)
  • Iceland (USD $)
  • India (USD $)
  • Indonesia (USD $)
  • Iraq (USD $)
  • Ireland (USD $)
  • Isle of Man (USD $)
  • Israel (USD $)
  • Italy (USD $)
  • Jamaica (USD $)
  • Japan (USD $)
  • Jersey (USD $)
  • Jordan (USD $)
  • Kazakhstan (USD $)
  • Kenya (USD $)
  • Kiribati (USD $)
  • Kosovo (USD $)
  • Kuwait (USD $)
  • Kyrgyzstan (USD $)
  • Laos (USD $)
  • Latvia (USD $)
  • Lebanon (USD $)
  • Lesotho (USD $)
  • Liberia (USD $)
  • Libya (USD $)
  • Liechtenstein (USD $)
  • Lithuania (USD $)
  • Luxembourg (USD $)
  • Macao SAR (USD $)
  • Madagascar (USD $)
  • Malawi (USD $)
  • Malaysia (USD $)
  • Maldives (USD $)
  • Mali (USD $)
  • Malta (USD $)
  • Martinique (USD $)
  • Mauritania (USD $)
  • Mauritius (USD $)
  • Mayotte (USD $)
  • Mexico (MXN $)
  • Moldova (USD $)
  • Monaco (USD $)
  • Mongolia (USD $)
  • Montenegro (USD $)
  • Montserrat (USD $)
  • Morocco (USD $)
  • Mozambique (USD $)
  • Myanmar (Burma) (USD $)
  • Namibia (USD $)
  • Nauru (USD $)
  • Nepal (USD $)
  • Netherlands (USD $)
  • New Caledonia (USD $)
  • New Zealand (USD $)
  • Nicaragua (USD $)
  • Niger (USD $)
  • Nigeria (USD $)
  • Niue (USD $)
  • Norfolk Island (USD $)
  • North Macedonia (USD $)
  • Norway (USD $)
  • Oman (USD $)
  • Pakistan (USD $)
  • Palestinian Territories (USD $)
  • Panama (USD $)
  • Papua New Guinea (USD $)
  • Paraguay (USD $)
  • Peru (USD $)
  • Philippines (USD $)
  • Pitcairn Islands (USD $)
  • Poland (USD $)
  • Portugal (USD $)
  • Qatar (USD $)
  • Réunion (USD $)
  • Romania (USD $)
  • Russia (USD $)
  • Rwanda (USD $)
  • Samoa (USD $)
  • San Marino (USD $)
  • São Tomé & Príncipe (USD $)
  • Saudi Arabia (USD $)
  • Senegal (USD $)
  • Serbia (USD $)
  • Seychelles (USD $)
  • Sierra Leone (USD $)
  • Singapore (USD $)
  • Sint Maarten (USD $)
  • Slovakia (USD $)
  • Slovenia (USD $)
  • Solomon Islands (USD $)
  • Somalia (USD $)
  • South Africa (USD $)
  • South Georgia & South Sandwich Islands (USD $)
  • South Korea (USD $)
  • South Sudan (USD $)
  • Spain (USD $)
  • Sri Lanka (USD $)
  • St. Barthélemy (USD $)
  • St. Helena (USD $)
  • St. Kitts & Nevis (USD $)
  • St. Lucia (USD $)
  • St. Martin (USD $)
  • St. Pierre & Miquelon (USD $)
  • St. Vincent & Grenadines (USD $)
  • Sudan (USD $)
  • Suriname (USD $)
  • Svalbard & Jan Mayen (USD $)
  • Sweden (USD $)
  • Switzerland (USD $)
  • Taiwan (USD $)
  • Tajikistan (USD $)
  • Tanzania (USD $)
  • Thailand (USD $)
  • Timor-Leste (USD $)
  • Togo (USD $)
  • Tokelau (USD $)
  • Tonga (USD $)
  • Trinidad & Tobago (USD $)
  • Tristan da Cunha (USD $)
  • Tunisia (USD $)
  • Turkey (USD $)
  • Turkmenistan (USD $)
  • Turks & Caicos Islands (USD $)
  • Tuvalu (USD $)
  • U.S. Outlying Islands (USD $)
  • Uganda (USD $)
  • Ukraine (USD $)
  • United Arab Emirates (USD $)
  • United Kingdom (GBP £)
  • United States (USD $)
  • Uruguay (USD $)
  • Uzbekistan (USD $)
  • Vanuatu (USD $)
  • Vatican City (USD $)
  • Venezuela (USD $)
  • Vietnam (USD $)
  • Wallis & Futuna (USD $)
  • Western Sahara (USD $)
  • Yemen (USD $)
  • Zambia (USD $)
  • Zimbabwe (USD $)
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa
© 2023, Envig Powered by Shopify
  • Choosing a selection results in a full page refresh.