Home Water Filtration System Buyer’s Guide
These are the articles behind the systems we build: what is in the water in Mexico, how the treatment actually works, and how to choose a system for your own house. Start wherever your question is — or let us name the system that fits your house.
Find my system
Start with your water
What is actually in the tap, well and tank water where you live in Mexico, and how to find out what is in yours.
La Paz Mexico drinking water safety: how to make tap water safe
Whether the tap water in La Paz can be drunk, and what actually makes it safe at home.
Read thisWater in Mexico: Why Your Home Needs Better Filtration
What comes out of the tap in Mexico, and why a house needs treatment of its own.
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Crystal Clear in San Miguel De Allende: Why Acuario is the Ultimate Water Filtration Solution for SMA Homeowners
What San Miguel homes are dealing with, and how an Acuario system answers it.
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San Miguel de Allende’s Water Quality: What You Need to Know About Your Water
What is in San Miguel's water supply, and what that means for the house you live in.
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Drinking Water in San Miguel de Allende: Arsenic Risks and a High-Tech Solution
The arsenic risk in San Miguel's drinking water, and the technology used against it.
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Why Water Purification Matters in the Riviera Maya
What makes water on the Riviera Maya its own problem, and why treating it matters.
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Test Your Water for Contaminants in Mexico — How Tap Water Affects Your Skin, Hair, and Health
How to find out what is in your own water, and what tap water does to you over time.
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San Miguel de Allende Faces a Growing Water Crisis
What is happening to San Miguel's water supply, and why it keeps getting worse.
Read thisHow the treatment works
Plain explanations of electrolysis and the stages around it, so the equipment stops being a black box.
Sustainable Water Purification in Mexico: How Electrocoagulation Removes Arsenic
What electrocoagulation is and how it takes contaminants out of the water.
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Agua Preparada para el Futuro: Por Qué la Tecnología ESIL™ de Acuario es la Mejor Elección para el Desarrollo Sostenible y Purificación de Agua en México
In Spanish: what ESIL technology does, and why Acuario builds on it.
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Safe, Clean Water in Mexico: How Acuario’s Electrolysis Technology Can Revolutionize Your Drinking Water
How electrolysis treats the water Mexican homes are on.
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What is Electrolysis Water Purification: A Simple Guide to Healthier Water
A plain-language explanation of electrolysis, from the beginning.
Read thisChoosing a system for your home
Whole-home or under the sink, what to compare, and the mistakes that cost people money.
7 Mistakes You’re Making with Your Home Water Filter (and How to Fix Them)
Seven things people get wrong with a home filter, and how to fix each one.
Read thisDo You Really Need Whole House Water Filtration? Here’s the Truth
Whether a whole-home system is right for your house, or more than you need.
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Best Water Filter in Mexico (2026 Guide)
A current comparison of the filter options sold in Mexico and what separates them.
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Why Basic Carbon Filters Fall Short in Modern Water Purification
What a carbon filter does well, what it cannot do, and why that gap matters.
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Finding the Right Water Treatment System: Softening vs. Conditioning vs. Filtering vs. Purifying
The difference between softening, conditioning and filtering, and which problem each solves.
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Why a Water Filtration System is the Smartest Investment for Your Home or Business in Puerto Vallarta
How to think about a filtration system as a purchase for the house, not a gadget.
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Choosing the Best Water Filters for Your Home in Mexico
How to narrow the options down to the filter your house actually needs.
Read thisWhat you drink every day
Garrafones, minerals, hydrogen and alkaline claims: what holds up and what does not.
Garrafones, Bottled Water & Microplastics in Mexico
What is known about garrafones, bottled water and microplastics in Mexico.
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From Mountain Springs to Your Glass: The Journey of Living Water
The journey water takes before it reaches your glass, and what "living water" means.
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The Truth About Alkaline Water: Can It Really Improve Your Health?
What alkaline water can and cannot do for your health, without the marketing.
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Making Clean Water in Mexico: A Personal Journey to Restoring Health and Hydration for Homeowners
One person's account of what changed after fixing the water at home.
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The Science-Backed Benefits of Hydrogen Water
What the research actually shows about hydrogen water.
Read thisWater for property and business
For architects, builders, developers and anyone weighing water as part of a property or a business.
Why an Acuario Water Vending Machine Franchise is the Perfect Blend of Passive Income & Community Impact
What an Acuario water vending machine franchise involves as a business.
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Sustentabilidad del Agua en el Sector Inmobiliario de México
In Spanish: what water sustainability means for real-estate developments in Mexico.
Read thisSustainable Water Solutions: Innovations Transforming Water Treatment and Access
The newer approaches changing how water gets treated, and what they replace.
Read thisWhy Acuario’s ESIL™ Technology Is the Smart Choice for Sustainable Developments in Mexico
The case for ESIL in a development where water is part of the build.
Read thisWhere Acuario installs
Acuario ships to all 32 states of Mexico. In these regions our own team installs; everywhere else, your system ships to your door and any licensed plumber can fit it — we guide you both through it.
Guadalajara
What the well readings show — fluoride, arsenic, hardness — and which system fits the metro area.
See the pageLake Chapala
Very hard, alkaline water, with arsenic and lead over the guideline in most readings. Ajijic, Chapala and Jocotepec.
See the pageTulum and the Riviera Maya
Extreme hardness on porous limestone, rooftop tanks and heavy chlorination. Tulum and Playa del Carmen.
See the pageThe Oaxaca coast
Puerto Escondido to Huatulco: what the monitoring stations show, and systems for well or trucked water.
See the pagePuerto Vallarta and Riviera Nayarit
Home ground: why a filtration system is the smartest investment for a home or business on the bay.
See the pageEverywhere we deliver and install
The full picture: six installer regions, and how delivery and installation work in the rest of Mexico.
See the coverageReady for a quote?
Skip the questions and tell us about your property. Your local Acuario distributor will come back to you with a quote.