Articles
Guides & background
Answers to the questions we hear most, plus a bit of background on why this city's water needs a second look at all.
Was Mexico City Built on a Lake? Yes, and It's Still Settling Into It
Yes. Five shallow lakes, an island capital, and a monument that keeps adding steps as the ground sinks. How Mexico City ended up on a lakebed.
Read the articleYou Switched to Garrafones to Avoid Tap Water. The Bottle Has Its Own Problem.
Bottled water carries far more plastic particles than treated tap water. What the research says, where it's still uncertain, and where filtration fits.
Read the articleHow do I check my water pressure at home in Mexico City?
A cheap gauge from Amazon tells you in minutes, or we'll check it free in our CDMX service area, plus why pressure varies so much building to building.
Read the articleIs CDMX tap water actually safe to drink?
Mexico City's tap water is treated at the source: the real risk comes after, from older building pipes and rooftop tinacos that aren't always cleaned.
Read the articleWhat's the difference between a faucet filter and a full system?
Faucet and pitcher filters improve taste and reduce sediment and chlorine, but they aren't a reliable barrier against pathogens.
Read the articleWill a filtration system stop me from getting sick?
Bacteria cause most cases and filtration blocks them. Viruses are the gap, and food prepared outside your home is beyond any filter's reach.
Read the articleUF vs. RO water filtration: a digital nomad's guide
Ultrafiltration wastes no water and needs no power but leaves dissolved solids. Reverse osmosis removes them, at a cost in electricity and waste water.
Read the articleDo I need a filter on my bathroom sink too?
Same building water as your kitchen, but you ingest far less of it at the bathroom sink. A lower-risk, more personal-preference upgrade.
Read the articleI'm renting — do I need my landlord's permission?
Every drinking water system we install needs a small hole for its dedicated faucet, UF included. What to know before you ask your landlord.
Read the articleHow much maintenance does a system actually need?
Cartridges every 6 months, RO membranes every 2 years. What a visit involves, and whether an overdue filter can make you sick.
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