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Start with a question.

The questions people actually ask about their homes, answered in plain language first. Every answer links down to the research behind it.

Stasis Home Research Every claim on this page is graded against peer-reviewed health research and linked to its primary source. Updated August 2026

Your water

Is my tap water safe to drink? For most people on a US public water system, tap water will not make you sick today, which is a low bar.
How do I find out what is actually in my water? Two sources tell you.
Do I need a water filter? For most US homes, yes.
Which water filter do I need? The right filter is the one certified for what is actually in your water, and half of that is free to look up.
How do I test my well water? Send a sample to a state-certified laboratory once a year for total coliform bacteria, nitrate, total dissolved solids, and pH.
How do I know if I have hard water? Your water utility already measured your hardness and publishes the number free in its annual water quality report.
Will a shower filter help with hard water? No shower filter softens hard water.
How do you remove hard water stains? Soak the stain in a mild acid, white vinegar or lemon juice, and wipe once the mineral softens.
How do I test my water for lead? Lead in water has a health goal of zero, and the only way to learn your tap's number is a first-draw sample read by a certified lab.
What do you do during a boil water notice? Bring clear tap water to a rolling boil for one full minute, cool it, and use that for drinking, cooking, ice, and brushing teeth.
Why does my well water smell like rotten eggs? The rotten-egg smell in well water is hydrogen sulfide, a gas made by sulfur-reducing bacteria in low-oxygen groundwater.

Your air

Your light

The whole home