Guides
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Guide
Silt Density Index (SDI): How the Test Works and the Number Your RO Needs
SDI puts a number on the fine particles headed for an RO membrane. Here's how the 15-minute test works, how to do the math and what to do with a high reading. -
Guide
Greywater at Home: How to Reuse It Safely (and Why Your Softener Matters)
Shower and laundry water can irrigate your yard, but rules vary by state and a salt-based softener adds sodium your soil won't like. Here's how to start. -
Guide
PFAS Water Testing: How to Check Your Water for Forever Chemicals
You can't see, smell, or taste PFAS. Here's how to test your water the right way and what those tiny ppt numbers actually mean. -
Guide
Can Cats Drink Tap Water? Safety, Taste and Why Intake Matters Most
Cornell puts a 10-pound cat's daily need at about a cup. Here is how your tap water changes what lands in the bowl, and what actually helps. -
Guide
Well Water vs City Water: What's Different and What Each One Needs
Moved into a house with a well, or tired of that chlorine taste in town? Here is how well and city water really differ, and what each one needs. -
Guide
Distilled vs Deionized Water: Which Do You Need?
Both are highly pure, but distilled and deionized water are made differently and suited to different jobs. Here is how to choose the right one. -
Guide
How to Remove Hard Water: Solutions That Actually Work
Vinegar only dissolves existing scale. Here's how to stop hard water minerals permanently, from point-of-use filters to whole-house softeners. -
Guide
Membrane Fouling: Four Types, Warning Signs and How Pretreatment Prevents It
Slow RO output, saltier water or a climbing pressure gauge? Find out which of the four foulants is to blame and how to keep it off your next membrane. -
Guide
What Causes Hard Water? 5 Natural Causes and How to Fix It
That white scale on your faucet starts underground. Here's why your water is hard, what it costs you, and how to stop it. -
Guide
Ozone Water Treatment: What It Removes and How It Works
Ozone destroys bacteria, cyanotoxins, iron, and odor compounds through oxidation, then reverts to oxygen and leaves no chlorine-type residual. Here is how it works. -
Guide
How to Install & Wire Float Switches to a Whole House RO System
Float switches protect your whole house RO system from overflow and pump damage. This guide covers mounting float switches to your storage tank and wiring them to both the RO system and... -
Guide
Questions to Ask Before You Approve a Water-Treatment Proposal
A water-treatment proposal is a diagnosis, not just a price. Here is how to check it, stage by stage, against your own water report. -
Guide
How to Remove Chlorine From Water: 7 Methods Compared
Chlorine keeps tap water safe in transit, but you do not need it at home. Compare 7 proven ways to remove chlorine and chloramine from your water. -
Guide
What Is Artesian Water? Source, Myths, and How It Compares
The word artesian describes where water comes from, not how clean it is. Here is what artesian water really means for the water you drink. -
Guide
How to Test Your Water at Home: What to Look For and What to Do About It
Testing your water is the best way to protect your family and your home. Learn what to look for, how to test, and what to do about the results. -
Guide
Catalytic Carbon Explained: The Media Built for Chloramine and Rotten-Egg Odor
Standard carbon can't fully handle chloramine or sulfur smell. Here's how catalytic carbon works and how to tell if your water needs it. -
Guide
How Does a Private Well Work? A Homeowner's Guide
Own a well or about to? Here is the plain-English walkthrough of how a private well moves water from the aquifer to your kitchen tap, part by part. -
Guide
Water Filter Micron Ratings: How to Choose (and When to Step Up)
Micron ratings, explained: what each level catches, why finer is not always better, and whether your sediment filter is really what dropped your water pressure. -
Guide
In-Home Water Test Demonstrations: What They Really Show
A kitchen water demonstration can make almost any tap water look bad. Here's the chemistry behind each one and what a real water test looks like. -
Guide
How to Size a Commercial Water Softener: Grains, Flow and Twin Tanks
A softener can carry enough grains and still fall short at peak flow. Here's the two-check method, with worked numbers, for choosing a commercial model. -
Guide
Chlorine Injection vs Hydrogen Peroxide: Continuous Dosing for Well Water
Chlorine leaves a residual that protects downstream. Peroxide oxidizes faster and adds no taste. Here is how to pick, and how to stage it. -
Guide
How Iron and Sulfur Filters Work: Air Injection, Catalytic Media, Greensand and Chemical Injection Compared
Four families of iron and sulfur filter, one decision. How each one oxidizes and filters, and the test numbers that pick between them. -
Guide
Bottled Water vs Filtered Water: Cost, Quality, and Health Facts
Ounce for ounce, bottled water is one of the priciest, least regulated ways to drink. See how filtered tap water compares on cost, quality, and health. -
Guide
Does Hot or Cold Water Help Acid Reflux? What Actually Works
Find out whether hot or cold water helps acid reflux, and why the pH and quality of your water may matter even more than temperature.
