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Guides & Blog
Practical water know-how — buying guides, refill-business tips, school water and how treatment actually works.
How it works
What kills parasites in drinking water?
The Invisible Threat That Chlorine Can’t Stop You have heard it before: "Just add chlorine, and your water is safe." But that advice is dangerously…
Refill business
Equipments needed to start a water refill business and where to buy them in Kenya?
The Right Machine Makes the Business You have chosen your location. You have studied the competition. You are ready to start your portable water refill…
Schools
Water treatment solutions recommended for hotels and schools in Kenya to ensure safe drinking water?
Reputation Depends on Every Glass A guest checks into your hotel. A parent drops their child at school. A patient arrives at a clinic. The first thing many…
Buying guides
Which type of water purifier is best for health?
The Answer Is Not as Simple as You Think "RO water is bad for you." "Mineral water is the only healthy option." "Boiled water is safest." Everyone has an…
How it works
What are the 12 diseases caused by water pollution?
Every Glass Could Be a Risk You turn on the tap. The water looks clean. It might even taste fine. But invisible threats could be flowing through your pipes –…
Buying guides
What are the best home water purification systems available in Kenya for clean drinking water?
Clean Water Should Not Be a Mystery You turn on the tap. The water looks clear. But is it safe? Does it taste good? Is it damaging your pipes and appliances?…
Buying guides
Which is the best water purifier for home use?
The Answer Is Not What You Think Walk into any hardware store or scroll through Jumia. You will see water purifiers ranging from Ksh 3,000 to Ksh 300,000…
How it works
What are the 5 ways of preventing waterborne diseases?
Every Single Case Is Preventable A child misses school. A parent misses work. A family spends thousands on medical bills. All because of something that came…
How it works
What is the difference between Reverse Osmosis and Ultrafiltration?
Two Technologies, One Question You have heard of Reverse Osmosis. Maybe you have also heard of Ultrafiltration. Both claim to purify water. Both sit under…
Refill business
How profitable is water refilling business in Kenya.
Real Numbers, Not Get-Rich-Quick Promises You have seen them. Small shops in every estate. A shiny machine. Rows of 20-litre jerrycans. Customers lining up…
Schools
Why Water Treatment Machines Are Essential For Schools
Clean Water Is Not a Luxury. It Is a Responsibilit y. Every morning, hundreds of children walk through your school gates. Their parents trust you. With their…
Refill business
What are the legal requirements and licenses needed to start a water refill business in Kenya?
Good Water, Bad Paper, Closed Business You have found the perfect location. You have bought a commercial reverse osmosis machine . You are ready to serve…
Schools
How to make a water purifier for school step by step?
Stop Building Bottle Filters. Start Installing Real Systems. I have seen it too many times. A school spends a science lesson building a bottle filter with…
Schools
The Ultimate Guide to Eliminating School Waterborne Diseases with Institutional RO Systems
Every Absentee Has a Cause. Sometimes It Is in the Water. A child misses school. Then another. Then ten. The head teacher assumes it is flu season. Parents…
Schools
Pure Water for Little Ones: Why Daycares and Kindergartens Need a Water Purification System
Small Bodies, Big Risks A two-year-old drinks more water per kilogram of body weight than an adult. Their immune system is still developing. Their organs are…
Schools
The New Institutional Water Systems Keeping Waa Girls High School Safe
A School That Refused to Wait for a Crisis Waa Girls High School, like many Kenyan institutions, had a water problem. Not a dramatic one. No cholera…
Schools
Is Your School’s Old Plumbing Ruining the Water? How to Choose a Centralized Shield
Clean Water In, Dirty Water Out You installed a water treatment system. You tested the water at the machine. It was perfect. But the water coming out of the…
Schools
Choosing a School Water Purifier: The Complete 2026 Guide
2026 Is Different. Is Your School Ready? Kenya's education sector has changed. Class sizes may be larger. Parents will be more informed. Health regulations…
How it works
How Reverse Osmosis Desalination Works for High-Salinity Lakes like Turkana
Water, Water Everywhere, but Not a Drop to Drink Lake Turkana is massive. Over 6,000 square kilometres of water. The largest desert lake in the world. But…
Schools
How to Choose a Water Purification System for Kenyan Schools
Clean Water Is Not a Luxury, It Is a Responsibility Hundreds of children drink from the taps at your school every single day. Some will get stomach aches…
Refill business
How to start your own water business?
A Business That Never Runs Dry Water is not a luxury. It is not a trend. It is a daily necessity – for every home, every office, every school, every hotel…
Buying guides
Do you know why a Water Purifier Machine could be the best gift?
The Gift That Keeps Giving (Long After the Wrapping Paper Is Gone) Think about the last gift you gave. A phone? A sweater? A bottle of wine? Nice. But a year…
Buying guides
What is the best water treatment system for a home?
Your Family Deserves More Than "Probably Safe" You turn on the tap. The water looks fine. You boil it sometimes. You've never gotten sick. So everything is…
How it works
What is the most common water treatment?
Turn on your tap. Water comes out. You assume it is safe. But somewhere, before that water reached your home, it went through a process. A treatment…
How it works
Reverse Osmosis Water Filtration: Stop Guessing, Start Drinking Clean
You have seen the ads. You have noticed the under-sink tanks in your neighbor’s kitchen. Maybe you have even drunk reverse osmosis water at a hotel or…
Buying guides
What Is the Best Water Filtration System for a Whole House?
A whole house system installs at your main water line – right where water enters your home from the city supply or borehole. From that point on, every drop…
Buying guides
Water Treatment Machines: The Complete Buyer's Guide
Here’s a hard truth: you cannot look at water and know what’s in it. That clear, harmless-looking glass could be hiding heavy metals, bacteria, or enough…
How it works
Reverse Osmosis Water Filter in Kenya: Everything You Need to Know
Walk into any restaurant or house these days, and chances are you'll spot a reverse osmosis system under the sink or tucked away in a back room. Five years…
Refill business
Why Owning a Water Refill Business in Kenya Is One of the Smartest Investments You Can Make Right Now
Kenya Has a Water Problem — and That's Your Opportunity Clean, safe drinking water is something every Kenyan needs every single day. Yet nearly 19 million…
How it works
Benefits of Water Treatment to Farms, Industries, and Malls
Clean water is the backbone of productivity and sustainability in every economic sector. At House of Maji, we understand that farms, industries, and malls…
Schools
Benefits of Water Treatment to Schools, Hospitals, and Institutions
Clean, safe water begins with proper testing and analysis. Before treatment, understanding the composition and quality of water is essential to ensure it…
How it works
Water Testing and Analysis: Process and Benefits
Clean, safe water begins with proper testing and analysis. Before treatment, understanding the composition and quality of water is essential to ensure it…
Refill business
The Rise of Commercial Water Vending Business
In recent years, the water vending business has gained significant traction as consumers increasingly prioritize clean, safe, and affordable drinking water…
How it works
Hard water vs. soft water: What’s the difference and why it matters
Water is essential to life, but not all water is created equal. If you’ve ever noticed spots on your dishes after washing or felt like your soap doesn’t…
How it works
Why clean water matters: The impact on your health
Clean water is essential for life. From staying hydrated to maintaining proper hygiene, the quality of the water you consume plays a vital role in your…
How it works
Different Types of Water Treatment Methods and Machines
Whole House Reverse Osmosis Introduction Access to clean and safe water is vital for good health, hygiene, and sustainable development. However, many water…
How it works
Water Treatment in Kenya
Introduction Safe drinking water remains a major challenge across Kenya, especially in rural and informal settlement areas. The organization House of Maji…
How it works
Effects of Untreated Water in Kenya
Introduction Access to safe and clean water remains one of Kenya’s biggest public health and development challenges. Millions of Kenyans, especially in rural…
How it works
Reverse Osmosis Machines
Reverse Osmosis Under Sink Introduction Clean and safe water is no longer a luxury; it’s a necessity for every Kenyan home and business. One of the most…
Refill business
How to Start a Water Vending Business in Kenya?
Introduction The demand for clean and safe drinking water in Kenya continues to rise due to urbanization, unreliable municipal supplies, and health concerns…
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