How many square feet can it mop on one tank of water?

Aaron Hill is exactly right. Couldn't get it to mop our kitchen except every 10 tries or so. Customer service was zero help and straight up ghosted us after a while. Luckily we were still within our return window and sent it back. If you do manage to get it to 'mop' the answer to the question is probably close to 10 sqft? After the first 10 feet or so, it's just smearing the dirty pad across the floor leaving streaks.

Does clean bird seeds?

Highly recommend i think you will be happy after the machine does a good map of your home bird seeds should not be a problem

how good is the moping compared to doing it yourself? is this good for people with back problems? how often do you have to fill up the mop liquid?than

I do not recommend using any iRobot device for mopping, as the solution that they use remains on the floor and builds up over time. On my hard floors, in less than a month, there was so much build up that my feet were completely black when going barefoot. When wearing socks, they were completely black as well. How often you fill the bin is dependent on the mode and the size of your home. At the mid setting, it can only mop ~800sqft.

How much does the combo (vacuum + base) weigh?

I would say about 5 lbs. just an estimate guess. I love it. We have 2 dogs and this helps me keep my house clean

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Refurbished iRobot Roomba Combo J7+ Paired with Alexa or Google Assistant Robot Vacuum and Mop

Refurbished iRobot Roomba Combo J7+ Paired with Alexa or Google Assistant Robot Vacuum and Mop

Product ID: 735589956

Details

Brand
iRobot
Colour
Graphite
Model Name
iRobot® Roomba
Special Feature
Obstacle Smart
Surface Recommendation
Carpet & Hard

📱Smart mapping & voice control

🤖2-in-1 vacuum & mop combo

🧹4-stage advanced cleaning system

Description

✨ Elevate your clean game—effortless floors, zero hassle! 🏡

SELF EMPTYING CLEAN BASE - Holds up to 60 days of dirt, so you forget vacuuming for months.
CUSTOM ROOM BY ROOM CLEANING - Set vacuum or mop preferences per room via app or Alexa for tailored spotless floors.
CONSTANTLY LEARNING SMART TECH - iRobot OS updates itself to optimize cleaning routes and obstacle recognition over time.
OBSTACLE PET WASTE AVOIDANCE - AI-powered detection keeps your floors clean and your robot safe from pet accidents.
SEAMLESS CARPET TO HARD FLOOR TRANSITION - Automatically lifts mop on carpets to prevent wet messes—no mode switching needed.

The iRobot Roomba Combo j7+ is the world’s most advanced robot vacuum and mop combo, uniquely designed to vacuum and mop simultaneously on hard floors while automatically lifting its mop on carpets to avoid wetting. Featuring a powerful 4-stage cleaning system, smart mapping, voice control compatibility, and a self-emptying base that stores dirt for up to 60 days, it’s engineered for busy professionals seeking a hands-free, intelligent cleaning solution that adapts to homes with pets and mixed flooring.

Specifications

ASIN	B0BCH3J9RD
Are Batteries Included	Yes
Battery Type	Lithium Ion
Best Sellers Rank	#1,360,144 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #379 in Robotic Vacuums
Brand	iRobot
Colour	Graphite
Compatible Devices	Amazon Echo, Google Home, Smartphones, Tablets
Control Method	App, Voice
Controller Type	Voice Control
Country of Origin	USA
Customer Reviews	3.5 3.5 out of 5 stars (940)
Form Factor	Robotic
Global Trade Identification Number	00885155032959
Included Components	1 Bona® Hard-Surface Floor Cleaner Concentrate (2oz), 1 Bona® Hardwood Floor Cleaner Concentrate (2oz), 1 Dirt Disposal Bag, 1 Extra Edge-Sweeping Brush, 1 Reusable Microfiber Mopping Pad, Clean Base® Automatic Dirt Disposal, Filter, Instruction Guide, Line Cord
Indoor Outdoor Usage	Indoor
Item Type Name	Roomba
Item Weight	1 Pounds
Manufacturer	iRobot
Manufacturer Part Number	c755020
Model Name	iRobot® Roomba Combo™ j7+ Robot Vacuum and Mop
Model number	C755840
Number Of Speeds	2
Number of Items	1
Number of Packs	1
Number of Wheels	2
Other Special Features of the Product	Obstacle Avoidance, Self-Emptying, Smart Mapping
OutputCapacity	6.8 kg
Portable	Yes
Power Source	Battery Powered
Recommended Uses For Product	Cleaning carpets and hard floors, Automatic vacuuming and mopping, Scheduled cleaning, Avoiding obstacles and pet waste, Voice and app control
Style	Roomba Combo J7+ Self-Emptying Robot Vacuum & Mop
Surface Recommendation	Carpet & Hard Floor
UPC	885155032959
Unit Count	1 Count
Voltage	240 Volts

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