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🌿 Never guess, always grow — your smart soil sidekick!
The ECOWITT WH0291 Soil Moisture Tester delivers fast, accurate soil moisture readings in just 72 seconds via a waterproof sensor suitable for both indoor and outdoor use. Featuring a clear digital LCD display with a flower pot icon, customizable calibration for different soil types, and a built-in 12/24-hour clock, it empowers plant enthusiasts to optimize watering schedules and boost plant health effortlessly.












































| ASIN | B07CJYTSH1 |
| Battery Description | 2 x AA batteries |
| Best Sellers Rank | #8,699 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #19 in Soil Meters |
| Brand | ECOWITT |
| Brand Name | ECOWITT |
| Color | WH0291B |
| Customer Reviews | 4.2 out of 5 stars 488 Reviews |
| Item Dimensions W x H | 5.91"W x 1.18"H |
| Manufacturer | ECOWITT |
| Model | WH0291B |
| Mounting Type | Tabletop |
| Part Number | WH0291B |
| Product Dimensions | 5.91"W x 1.18"H |
| UPC | 711639641105 |
| Upper Temperature Range | 50 Degrees Celsius |
| Upper Temperature Rating | 50 Degrees Celsius |
| Voltage | 1.5 Volts |
M**A
Great Soil Moisture Sensor
This is a really nice Soil Moisture Sensor and works perfectly for me. I have two of them and use them with my Ecowitt WS90 Weather Station. Very well made and seem to be accurate. I have the setup with my Ecowitt weather station to notify me (by text & email) when the moisture gets too low, so I remember to water the plants. They also work great outside with my tomato plants and herbs.
M**S
Works great!
I love this soil moisture meter. I don't really have a way to test how accurate it is, but I can tell you it reads 0% moisture in dry air and 100% moisture when dipped in water, so it's at least got the two boundaries right. It seems to match my handheld moisture meter I use for plants outdoors. You know, the kind with two prongs that you stab into the soil and the little needle on the dial tells you moisture content. Well, I have to say I trust this moisture meter a bit more as it seems to read more consistently. The probe itself is a little bigger than I anticipated, but that's not a big deal. I have the display sitting about 14 feet from the probe and it has no problem getting a signal. Overall I'm really happy with this purchase.
P**N
Great gadget to have to make gardening easier.
I like the ease of using this item - just stick it soil and get results in seconds! Easy to read monitor too!
J**.
Great moisture meter
Tried a non-electric moisture meeting. Its was difficult to read and stop working. This moisture meter is a 1000 times better. Water read 100% which tells me it's very accurate. Only thing missing is an on off switch. No biggie- I just remove the batteries after use.
A**R
Fast, easy, self-contained system
Fast read out, easy to use. Extremely precise. Helps determine watering needs for indoor & outdoor plants, shrubs, trees, and lawns. Helps maximize water conservation. “gun” form factor makes it easier to place than other types of monitors. Probe is delicate so I recommend you make a channel first with a screwdriver-like weeder or similar tool before sticking in the probe. Otherwise, you could easily break the probe. Because the reader is separate from the probe, you don’t have to bend down or squat, read a tiny display, or contort your head sideways like most other soil meters. No need for an app, bluetooth, or wifi either, as the system is stand alone & self-contained.
R**R
Ecowitt Who291 soil moisture tester with digital meter
This is my go to for watering plants. I checked it everyday with a manual stick in the dirt everyday for the first couple of days to see the difference in readings and I am very satisfied at the reading I get on this stay in the ground- read it indoors. Wish I bought one earlier. This is so easy to tell when it needs water, without going outside .
V**T
Stopped working
Just over a month old and this is the reading I get. It has a year warranty so hopefully the seller will offer a resolution. I was already unhappy with the difficulty getting deep into the soil because of the width and the short length of the sensor. It would be better to know the moisture reading where the roots are.
B**N
Does not support multiple sensors
This display only connects to ONE sensor. No where in the description does it state this, and there is no channel setting to flip between sensors. Very disappointed. Was hoping for ONE thing that I didn’t have to use my smart phone on, and we can’t even support multiple sensors to the display? The instructions need to be revamped. I understand what they’re trying to do and calibrating a sensor is a hard task, but the instructions are written towards people with a science background. I could understand but I can tell many people do not.
M**O
Dopo un anno ha smesso di funzionare
Dopo un anno ha smesso improvvisamente di funzionare. Il pessimo servizio post vendita Ecowitt se ne lava le mani. Non acquisterò mai piu questa cineseria. Meglio Fyta beam.
T**N
Dyr men bra!
Dyr men den fungerar perfekt!
R**I
Très bonne qualité
Très bonne qualité
A**R
من افضل اجهزه القياس
لقد اشتريت فوق ٥ اجهزه قياس رطوبه واخيرا حصلت على جهاز ذو كفاءه عاليه ودقه ممتازه وجوده فى الصناعه
U**R
Work well but ecowitt hub needed.
These seem to be recommended by a lot of Home Assistant users. They came in brown boxes (a good thing), well packaged. Pretty easy to setup..pop in a AA battery, open the ecowitt app, add them. You can set up alarms,calibrate them, all within the app. One thing, they are bright green, so easy to see, dark green would be better. Good range out garden isn't huge but the signal is good. One other thing to note, you do need the ecowitt hub, a small USB box that's permanently on. All in all I like them.
Trustpilot
3 days ago
2 weeks ago