Blog
Well Water Problems: Your Well, Your Responsibility — the Symptom Router & the Annual Test That Catches Everything
Quick answer: Private wells have no EPA oversight — no utility tests your water, no CCR arrives in the mail, and "the water's always be...
Cloudy Tap Water: the One-Minute Glass Test That Separates Air from Everything Else
Quick answer: Fill a clear glass straight from the tap and watch it for one minute. If the cloudiness clears from the bottom up and the...
Algae in Your Water: the Fridge-Tank Kind vs. the Lake-Bloom Kind — and Why Boiling Blue-Green Algae Is Dangerous
Quick answer: Household algae — the green film in water bottles, fridge reservoirs, and clear tanks — is a light problem, and the first...
Chloramine in Your Water: Why Your Carbon Filter Might Be Doing Half a Job
Quick answer: Chloramine (chlorine + ammonia) is the other municipal disinfectant — serving on the order of one in five Americans and t...
Tannins in Your Water: Tea-Colored Water, the Three-Color Test & the Anion Resin That Works
Quick answer: Tannins are dissolved organic matter from decaying vegetation — they turn well water tea-colored or coffee-colored (trans...
E. coli in Your Water: What a Positive Test Means & the 48-Hour Response Protocol
Quick answer: E. coli in drinking water carries a zero-tolerance MCL — it's a fecal-source pathogen, and any confirmed detection means ...
Radium in Your Water: the 5 pCi/L Limit, the $40 Screening Trick & What Genuinely Removes It
Quick answer: Radium (Ra-226 + Ra-228 combined) carries a federal limit of 5 pCi/L — and it's colorless, odorless, and tasteless, so te...
How to Test Fluoride in Water at Home: 3 Methods, What Each Costs, and the Test-Strip Trap Nobody Mentions
Testing your own water for fluoride is one of those tasks that looks like a $15 errand and isn't. Fluoride is the trickiest of the comm...
Fluoride Removal Methods Compared: RO vs Activated Alumina vs Bone Char vs Distillation
Four home methods genuinely remove fluoride from drinking water: reverse osmosis, activated alumina, bone char, and steam distillation....
Copper in Your Water: the 1.3 mg/L Action Level, Blue-Green Stains & Why pH Is the Real Culprit
Quick answer: Copper's action level is 1.3 mg/L (measured like lead's — at the 90th percentile of first-draw taps), with a 1.0 mg/L sec...