Tineco Floor ONE Stretch S6 Review: Is It Worth It?

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If you're shopping for a floor washer, the Tineco Floor ONE Stretch S6 is the one I'd look at first if you want a machine that cleans and dries its own roller. I've had mine for about a year, and I use it on hard floors every week.

What it is

The Stretch S6 is a cordless wet-dry floor washer that lays almost flat. The clean water tank sits above the brush head, so it slides under couches and beds. It also cleans both edges, so baseboards get done too.

What I like

It lays flat, so it reaches under furniture that a regular mop can't.
The self-clean runs a hot water wash, then a hot air dry, so the roller comes out dry.
The dirty water tank is separate from the motor, so dirty water stays away from the parts that matter.

After a year of regular use, the Stretch S6 is still the machine I reach for. It cleans hard floors better than the other brands I've tried, and it leaves them noticeably cleaner after one pass. The catch is that it only performs that well if you maintain it. If you do the deep clean and empty the dirty tank after every use, I get about 40 to 45 minutes of run time out of it, and that's enough to clean most of the house in one session.

What frustrates me

There's no LED headlight and no dedicated solution tank.
The clean tank is on the small side, at 0.8 L, and the dirty tank holds 0.72 L.
The dirty water tank lid is stiff to pull off.
The self-clean uses battery. If it's low, the machine waits to charge before it starts the dry cycle.

Keeping it from smelling

The self-clean doesn't scrub the dirty water tank, and that's where the smell starts. My routine is:

1. Empty the dirty water tank after every use, and never leave dirty water sitting in it.
2. Scrub the tank and filter with a small brush, then soak the tank with dish soap and warm water.
3. Wash the roller in the sink.
4. Run the self-clean once the tank is refilled.
5. Empty the dirty tank again, and leave the roller and filter out to air dry.

I show each step in the deep clean video.