Rotten-egg, metallic, stained, or confusing well water
Decode iron, manganese, hardness, pH, sulfur odor, bacteria, TDS, and sediment before shopping.
Decode a lab report
Measure first. Choose with confidence.
Test first, then buy the right home backup system.
Practical guides and calculators for private well water, sump pump backup, outage power, radon, mold, and basement moisture decisions.
Start with your problem
Choose the path that matches what is happening at home
Basement flooding during outages
Estimate runtime, then compare backup pump options and alarms.
Estimate sump runtimeRefrigerator, CPAP, or internet backup power
Calculate runtime from watts and usable battery capacity before shopping.
Calculate backup runtimeRadon, mold, or musty basement concerns
Measure radon or moisture first, then choose test kits, monitors, or pro help.
Start indoor-air path
Browse by system
Explore by home system
Well Water Treatment
Testing-first guides for private well owners comparing iron filters, sulfur odor fixes, softeners, sediment filters, UV, and reverse osmosis.
11 published guides Explore Well Water guidesSump Pump Backup
Plan for basement flooding and power outages with guides to sump pump sizing, battery runtime, alarms, discharge paths, maintenance, and backup options.
10 published guides Explore Sump Backup guidesHome Power Backup
Plain-English backup power guides for refrigerators, CPAP machines, internet routers, sump pumps, and short outage essentials.
7 published guides Explore Backup Power guidesIndoor Air, Radon, and Mold
Test and manage radon, moisture, mold, humidity, and indoor air concerns with source-backed guides, practical tools, and clear professional triggers.
6 published guides Explore Indoor Air guides
Selected guides
Guides for common home resilience decisions
How Far Should a Generator Be From the House? The 20-Foot Rule
Place a portable generator outdoors at least 20 feet from homes and openings, direct exhaust away, use proper cords, and maintain working CO alarms.
Sump Pump Check Valve Symptoms: Backflow, Banging, and Short Cycling
Recognize sump pump check-valve symptoms such as water returning, banging, and repeated cycling, then document the system before repair or replacement.
How to Size a Sump Pump: Flow, Lift, Pit Inflow, and Horsepower
Size a sump pump by measured inflow, flow at actual lift, pipe losses, pit geometry, and backup capacity instead of choosing by horsepower alone.
Best Radon Test Kit: Short-Term, Long-Term, or Digital Monitor?
Compare radon tests by measurement window, qualified lab or device, closed-building rules, placement, follow-up, and real-estate timing.
Red Sediment in Well Water: Causes, Tests, and What to Do
Learn what red or rust-colored sediment in well water may indicate, which fixture and timing clues matter, what to test, and when to call a professional.
Hurricane Power Outage Checklist: Before, During, and After
Use this hurricane power outage checklist to prepare essential loads, generators, food, medical devices, evacuation steps, and safe restoration.
How we review
Source-backed guidance with clear limits.
Our current review standard checks safety-sensitive guidance against cited sources and states where qualified help or local requirements should take over. Legacy guides remain clearly labeled until they are reviewed and migrated to that standard.