Geekpure 5-Stage 75 GPD Reverse Osmosis System — Under-Sink Drinking Water, DIY in Two Hours! $199.98 CAD (20% Off)

Amazon.ca has the Geekpure 5-stage reverse osmosis drinking water system (75 GPD) for $199.98 (list $249.99, 20% off). Prime members ship free; otherwise free over $35.

Five stages down to 0.0001 micron, rated to cut lead, arsenic, fluoride, mercury and cadmium, using an NSF-certified TFC membrane. At 60 psi it produces 75 gallons a day — enough for a family of three or four to drink and cook with. The 2.8-gallon tank fits under most sink cabinets: the unit is 14.2 × 6.2 × 18.1 in, the tank 9.45 in across and 14.4 in tall, 27 lb for the set.

Quick-connect fittings, colour-coded tubing and an install video are included, and the manufacturer reckons 1–2 hours for a DIY install. Flush it for 30 minutes afterwards and don't drink the first two tanks. Wastewater ratio is 1:2 — two gallons down the drain per gallon of pure water. Better than the old units, still thirstier than a tankless RO, so go in knowing that.

One prerequisite: feed pressure needs to be 40 psi or higher, or output drops noticeably. A well-water reviewer reported 275 ppm down to 15 ppm, which is the kind of result this class of system delivers. Another found two factory connections weeping at first — re-pressing them fixed it. Filters are yearly, the membrane every 2–3 years, and the consumable cost is that $62.98 five-piece set.

It's for anyone who wants the chlorine taste gone for good and doesn't want to carry a case of bottled water home every few months. The included faucet has a lead-free ceramic disc valve, and the whole thing lives in the empty space under the kitchen sink.

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