Reverse osmosis, carbon and softeners – how each system works and which one fits your home.
A $35 pitcher can cost more over five years than a $300 under sink filter.
You noticed something. Whether it’s a new smell, color, taste, or residue, noticing a change is valuable information. The problem is that the internet answers every one of these questions…
Strips, mail-in kits, or a certified lab? An engineer on what EPA recommends, what to test for, how to sample, and how to read the numbers.
FDA regulates bottled, EPA regulates tap, and the standards track closely. An engineer on labels, the lead limits, microplastics, and real cost.
Fridge filters are better than most assume. An engineer on verifying certification, replacement intervals, and why "compatible" cartridges are untested.
Most pitchers are certified for taste, not health. An engineer on what they remove, the capacity math nobody runs, and when a pitcher is the right buy.
Only one shower filter claim is certified — chlorine, under NSF/ANSI 177. An engineer on chloramine, heat, hardness, and the skin and hair evidence.
A faucet engineer on how touchless faucets work, the two questions that decide whether yours lasts, water savings, and what actually breaks.
Faucet-mount filters are cheap and certified — but they won’t fit a pull-down faucet. An engineer on what they remove, what they don’t, and the alternatives.
What the AAP and CDC actually tell parents about lead, fluoride, formula water, PFAS, and microplastics — from primary sources, without the alarm.