Let me start with the headline: after three months of living with the JIMMY R9 Countertop RO Water Purifier, I’m convinced this is one of those devices that silently levels up your life… then ruins you for everything else.
Related: My previous review of the JIMMY R9 Countertop RO Water Purifier
Going back to a kettle, a Brita, or a bulky under-sink unit? Absolutely not.
If you’ve been thinking about upgrading your water routine, the Black Friday deal is unreal:
▶ 17% OFF with the on-site code
▶ Deal Time: November 20 – December 01
Trust me—this is the moment.
I used to think “clean water” was just… water. But after three months of drinking RO-purified, UV-sterilized, remineralized water, I can taste the difference every time I have water somewhere else.
The real-time TDS display is the star here. Every day I watch tap water go from ~250–300 TDS down to 004–009. It still feels magical. More importantly:
Pollutants like fluoride, chlorine, PFAS, microplastics, heavy metals, and pathogens are filtered out.
If you’ve been reading about water contamination lately, you know why that matters.

Three months later, I’m still grateful this thing doesn’t require plumbing. I’ve moved it between:
– Kitchen counter
– Home office
– Bedroom (night hydration!)
– Guest room during Diwali hosting
– The workout room
It’s literally a portable hydration upgrade.
The feature I underestimated: instant 3-second heating with seven temperature presets.
In 3 months, this has replaced:
✔ My kettle
✔ My baby-bottle warmer
✔ My “boil water then wait 10 minutes” routine
✔ My “ugh this coffee is too hot” mornings
Most-used settings?
– 130℉ for green tea
– 165℉ for black tea
– 200℉ for pour-over coffee
– Ambient for hydration
– 110℉ for my evening lemon-honey ritual

I didn’t expect to love the dual-pitcher system so much. One stays attached to the machine. The other goes:
– Into the fridge
– Into the bathroom for skincare
– To my desk
– Into the kitchen when I’m cooking pasta, soups, or rice
And because both pitchers get UV protection from the rear lamp?
Fresh water stays clean long after filtration.
This is the easiest filter system I’ve ever used:
– Twist to remove
– Pop in the new one
– No tools
– No mess
– No remembering… because the screen alerts me
Filter life after 3 months?
Still at:
– RO filter: ~80% lifespan left
– Carbon filters: ~70%
That’s impressive considering I use it constantly.
Microplastics, PFAS, lead, industrial solvents—you’ve seen the headlines. Tap water quality is getting worse, not better. The R9’s 0.0001 μm RO membrane + UV sterilization knocks out 99.99% of the scary stuff.
If water is the one thing you consume every single day, shouldn’t it be clean?
You don’t need:
– A kettle
– A Brita
– A hot water dispenser
– A bottled water habit
– An under-sink RO system
The R9 does everything.
At 9.9 inches deep, it fits literally anywhere. Other machines look like mini fridges in comparison.

No drilling. No plumbing. No commitments.
Perfect for apartments, offices, studios, and dorms.
In 3 months, I’ve:
– Drank more hot water
– Made better tea
– Stopped buying bottled water
– Cut down on clutter
– Actually enjoyed my hydration routine
And that’s the point:
Good water should be easy. The R9 makes it easy.
After three months with the JIMMY R9, I can confidently say this:
I drink more, I drink better, and I’ve simplified a huge part of my daily routine.
The Black Friday offer makes the decision even easier:
➡ 17% OFF with the on-site code
➡ Valid from November 20 – December 01
If you’ve been considering a countertop RO purifier that’s compact, installation-free, and ridiculously smart, this is the best deal you’re going to get all year.
Clean water shouldn’t be a luxury.
But with the JIMMY R9?
It feels like one.
Madhurima Nag is the Head of Content at Gadget Flow. She side-hustles as a parenting and STEM influencer and loves to voice her opinion on product marketing, innovation and gadgets (of course!) in general.