Hydrofast C300 is a modern countertop water purifier that combines reverse osmosis (RO) technology, UV sterilization, and the ability to make sparkling water in one device. It’s a solution for both homes and offices that want great-tasting drinking water without installing an under-sink unit and without interfering with the plumbing system.
Best price so far
The countertop water purifier Hydrofast C300 is available from a verified seller on Geekbuying. The product is stored in EU warehouse in Poland, which means fast delivery to 2 – 7 working days and no additional fees. When ordering, it’s worth using the coupon from the price box.
Hydrofast C300
TIPExpress delivery from a European warehouse without customs duty and VAT.
This product will be delivered to you express from a local warehouse in Europe. Delivery from EU warehouses usually takes 2–10 days and is handled by courier. When it arrives, you won’t pay any additional fees — no customs duty and no VAT.
TIPExpress delivery from the Polish warehouse with no customs duty and VAT.
This product will be delivered to you express from a local Polish warehouse. Delivery from Poland usually takes 7–10 days and is handled by a courier. When it’s delivered, you won’t pay any additional fees—no customs duty and no VAT.
TIPExpress delivery from a European warehouse without customs duty and VAT.
This product will be delivered to you express from a local warehouse in Europe. Delivery from EU warehouses usually takes 2–10 days and is handled by courier. When it arrives, you won’t pay any additional fees — no customs duty and no VAT.
Read our review
6-stage filtration and RO membrane
The heart of the Hydrofast C300 is a 6-stage filtration system that uses a combination of mechanical, carbon, and membrane filtration. The key component is the RO membrane with a 0.0001 μm fineness, which can remove up to 95 % TDS and more than 1000 contaminants, including heavy metals, chlorine, microorganisms, and nitrates.
Filtration includes a PP sediment filter, a coconut-carbon filter, an RO membrane, a post-carbon filter, a mineralization filter, and UV sterilization. The UV system runs continuously and eliminates up to 99.99 % of bacteria and viruses.
PFAS reduction and balanced water pH
Hydrofast C300 can reduce PFAS substances (PFOS/PFOA) by up to 99 %. These are chemicals that are linked long-term to negative health effects. The device also uses a mineralization filter, so the resulting water has pH 7.5+, suitable for everyday drinking.
Cold, hot, and sparkling water
A big advantage is the ability to instantly heat and cool water. There are modes for cold water (7 – 15 °C), room temperature, hot water (45 °C), and boiling water. You can manually set the temperature in the range of 40 – 100 °C with an accuracy of ±1 °C.
The device supports making sparkling water using TR21X4 threaded CO₂ cartridges and offers 3 carbonation levels. It’s a practical alternative to store-bought sparkling water without unnecessary plastic bottles.
Smart display and precise water dosing
On the front, there’s a touch panel showing the temperature, water volume, TDS values of incoming and filtered water, filter status, and other system information. The display automatically turns on when you place a cup.
You get volume presets of 150 ml, 250 ml, 400 ml, and 500 ml, and you can also set the volume manually in the range of 100 – 999 ml.
More cost-efficient operation and an eco-friendly approach
Hydrofast C300 works with a ratio of clean to waste water of 2.5 : 1, which is a better result than with traditional RO systems. One filter can produce up to 2000 liters of clean water, which means replacing more than 4000 plastic bottles.
Filter replacement takes place in 3 steps without any tools. The filter lifespan is 6 – 12 months, depending on the incoming water quality and usage intensity. The replacement device will notify you automatically.
Thanks to its tool-free design, 5 l raw water tank and 1.5 l filtered water tank, the Hydrofast C300 is perfect for the kitchen, office, and even smaller apartments. It doesn’t require permanent connection to the water line, and it operates quietly.
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