How to choose a soil moisture meter in Australia
The Dr.meter 2 Pack Soil Moisture Meter is the one we put first, rated 4.4 from 15,080 ratings, with no batteries and two meters in the pack. A soil moisture meter is a probe you push into the soil that shows on a dial or screen whether the soil at the probe is dry, moist or wet. The XLUX listing puts it plainly: its meter can tell you if the soil deep inside your pot or garden is dry, moist or wet, while your eyes and fingers can only judge the surface.
You will also see the same thing sold as a soil tester, a plant water meter or a moisture probe. The Dr.meter and XLUX listings describe a moisture reading and list no light or pH scale in their bullets, while a 3 in 1 or 4 in 1 meter adds more: the VIVOSUN tests moisture, light and pH, and the Raintrip title lists moisture, light, nutrients and pH. The Mcbazel is a digital meter with a backlit LCD. This guide covers six meters for houseplants, garden beds and lawns, and the real choices are moisture only versus 3 in 1, no battery versus digital, and probe length.
A word on pH, as our own view rather than a listing claim: if you need a dependable pH figure, use a chemical soil test kit. The listing review summaries in the sections below show why we say so, and for the watering decision, start with the moisture reading.
How the soil moisture meters compare
Ratings and counts below are the figures shown on each Amazon Australia listing. Each meter name links to its listing.
| Meter | Suits | Reads | Power | Rating |
|---|
| Dr.meter 2 Pack Soil Moisture Meter | Pots and garden beds | Moisture on ten scales | No batteries | 4.4 from 15,080 |
| VIVOSUN 3 in 1 Soil Tester | A 3 in 1 dial | Moisture, light, pH | No battery | 4.0 from 10,161 |
| Mcbazel Digital Soil Meter | A number on a backlit screen | Moisture, pH, temperature (the first bullet also mentions light) | 3 AAA batteries, not included | 4.1 from 1,018 |
| XLUX Long Probe Moisture Meter 2 Pack | Deep pots | Moisture level | Not stated in the title or bullets | 4.4 from 3,120 |
| Raintrip 4 in 1 Soil Moisture Meter | Four readings from one probe | Moisture, light, nutrients, pH | No battery | 4.1 from 5,696 |
| Sonkir 3 in 1 Soil Meter | A 3 in 1 with double needle detection | Moisture, pH, sunlight | No batteries | 4.1 from 46,262 |
Best overall: Dr.meter 2 Pack Soil Moisture Meter
The Dr.meter 2 Pack Soil Moisture Meter is rated 4.4 from 15,080 ratings and needs no batteries: its bullets say to plug the meter into the ground and get a reading. It has a single probe design that the listing calls gentle to plant roots, a display of ten scales with a colour coded reading from red, green to blue, and two meters come in the pack.
It suits houseplants and garden beds, with one meter for the pots and one for the garden if you like. The listing describes an eight inch metal stem, so check the pot is deep enough to take it. For very deep pots, the XLUX Long Probe Moisture Meter 2 Pack below is the one whose title says Long Probe Deep Use.
Dr.meter flaws but not dealbreakers
The listing review summary shows 7 customers mention durability, 0 positive and 7 negative, so look after it. The same summary shows 31 customers mention accuracy, 28 positive and 3 negative. The listing says it is designed only for soil and should not be used in liquids, and to keep the probe away from rocks and extremely hard soil. Its bullets list no light or pH scale, so use a chemical soil test kit if you need pH.
VIVOSUN 3 in 1 Soil Tester for moisture, light and pH
The VIVOSUN 3 in 1 Soil Tester is rated 4.0 from 10,161 ratings. Its bullets say the meter tests soil moisture, light and pH value, switches modes with one button, and needs no battery. They list a moisture range of 1 to 10 from dry to moist, a light intensity scale, a pH level of 3.5 to 8, and a length of 10.8 inches.
It suits someone who wants light and pH dials alongside moisture and is happy to treat them as a rough guide. For garden beds and lawns the VIVOSUN steps say to insert the probe to the plants' roots about 2 to 4 inches, and the description says to note the level in the dial after 10 minutes, while its bullets say plug and read.
VIVOSUN flaws but not dealbreakers
The listing review summary shows 41 customers mention functionality, 14 positive and 27 negative, and 23 customers mention value for money, 5 positive and 18 negative. The listing says not to insert it in the soil for a long time and to use it on soil only, not on pure water or other liquid.
Mcbazel Digital Soil Meter for a number on a backlit screen
The Mcbazel Digital Soil Meter is rated 4.1 from 1,018 ratings. Its title calls it a dual probe digital soil meter with a backlit LCD for moisture, pH and temperature, and its first bullet also mentions light readings with clear visibility in any lighting condition. Its description says 3 x AAA batteries are not included, so have them ready.
It suits anyone who would rather read a number than judge a needle, including in a shaded corner of the garden. The bullets give the humidity row as 0% to 90% with accuracy of plus or minus 10 percent, and the description lists the same 0 to 90 range under the name Moisture. The bullets also list a pH range of 3 to 9 with accuracy of plus or minus 0.2.
Mcbazel flaws but not dealbreakers
The listing review summary shows 27 customers mention accuracy, 13 positive and 14 negative. The probe diameter is only 4 mm, which the listing calls quite thin, and it advises avoiding inserting it into the root system. The listing also says readings vary with insertion depth: the description recommends the two thirds position, while its question and answer block recommends a depth of 3 to 5 inches.
XLUX Long Probe Moisture Meter 2 Pack for deep pots
The XLUX Long Probe Moisture Meter 2 Pack is rated 4.4 from 3,120 ratings, and its title reads Long Probe Deep Use, for outdoor indoor large pot plants. Its bullets say the large dial has three zones with ten scales, that the dial shows the moisture level immediately, and that a single probe causes less damage to plant roots than double or multiple probes.
It suits big pots and deeper beds, and the pack gives you two meters. The title and bullets state no power source. We do not compare probe lengths between models. The bullets say to wipe the probe clean after testing and not to test very hard soil, water or other liquids.
XLUX flaws but not dealbreakers
The bullets say not to leave the meter in the soil for more than 5 minutes, as the metal tip will gradually corrode, so this is a dip, read and remove meter. The listing review summary shows 14 customers mention accuracy, 8 positive and 6 negative, and 43 customers mention functionality, 31 positive and 12 negative.
The Raintrip 4 in 1 Soil Moisture Meter is rated 4.1 from 5,696 ratings. Its title lists moisture, light, nutrients and pH and says no battery is required, and its bullets describe a rotating head that lets you view the result without bending down, a single probe design, and a reading from inserting the probe just 4 inches into the soil.
On 21 October 2026 this listing was shipped and sold by Amazon US under an Amazon Global Store notice that reads: US imports may differ from local products. Additional terms apply.
It suits readers who want four listed readings from one probe, with the rotating head for awkward reading angles.
Raintrip flaws but not dealbreakers
The listing review summary shows 19 customers mention accuracy, 5 positive and 14 negative, and 56 customers mention functionality, 23 positive and 33 negative, so treat the light, nutrient and pH readings as a rough guide and use the moisture reading for the watering call.
Sonkir 3 in 1 Soil Meter
The Sonkir 3 in 1 Soil Meter is rated 4.1 from 46,262 ratings, the largest count among the six on this page. Its bullets list moisture, pH and sunlight tests, double needle detection and no batteries needed, and say to insert the sensor probe about 2 to 4 inches and toggle the switch to the test you want.
It suits someone who wants a 3 in 1 with a large ratings count behind it. Its specifications list a moisture range of 1 to 10 with 1 to 3 dry, 4 to 7 normal and 8 to 10 wet, a pH range of 3.5 to 8, and a probe length of 7.9 inches. The bullets say that if the soil is too dry the indicator will not move, so water it before testing.
Sonkir flaws but not dealbreakers
The listing review summary shows 6 customers mention accuracy, 3 positive and 3 negative, and 10 customers mention pH measurement, 4 positive and 6 negative. The listing says the tester cannot be applied to test the pH value of any other liquid, and its steps say to check the level in the dial after 10 minutes, so give it time.
Moisture only versus 3 in 1 meters
The first real decision is whether you want a meter that reads moisture only or one that adds light, pH and sometimes nutrient scales. The Dr.meter and XLUX listings describe a moisture reading and list no light or pH scale in their bullets, and the XLUX listing says a single probe causes less damage to plant roots than double or multiple probes. The VIVOSUN, Raintrip and Sonkir add light, pH or nutrient readings, and the Mcbazel adds pH and temperature.
If you only care about watering, a moisture reading is the cleaner buy. If you like a rough light or pH hint, a 3 in 1 gives you more dials, and the review summaries in the sections above show why we call them a rough guide. Either way a meter only tells you when to water: if you want the watering to happen while you are out, that is the job of a tap timer on the outdoor tap.
No battery versus digital meters
Power is stated differently on each listing, so each model gets its own line rather than one rule for all six. The Dr.meter bullets say no batteries are required, the VIVOSUN bullets say no battery needed, the Sonkir bullets say no batteries needed, and the Raintrip title says no battery required. The Mcbazel is the digital one: its description says 3 x AAA batteries are not included. The XLUX title and bullets state no power source.
A digital screen is easier to read in a dim corner, which is the Mcbazel pitch with its backlit LCD. A meter with no battery has nothing to replace. Pick on the way you want to read it, not on the power alone.
Long probe for deep pots
The surface of the soil dries first, so a short reading at the top of a pot can miss what the roots below are sitting in. That is our reading of the XLUX listing, which says its meter can tell you if the soil deep inside your pot or garden is dry, moist or wet, while eyes and fingers only judge the surface. Its title reads Long Probe Deep Use, for large pot plants.
We do not compare probe lengths between models, but the listings give some figures. The Dr.meter listing describes an eight inch metal stem and the Sonkir specifications give a probe length of 7.9 inches. For garden beds and lawns the VIVOSUN steps say to insert the probe to the plants' roots about 2 to 4 inches, and the Raintrip bullets say just 4 inches. For deep pots, big planters and raised garden beds, match the probe to the depth of soil you want to read.
Do not leave the probe in the soil
Take the reading, then pull the probe out, wipe it clean and put it away. The XLUX bullets say not to leave the meter in the soil for more than 5 minutes, as the metal tip will gradually corrode. The VIVOSUN description says not to insert it in the soil for a long time, and the Sonkir and VIVOSUN steps say to wipe the probe clean after each use.
The Dr.meter listing also says to clean the probe after each use and to keep it away from rocks and extremely hard soil to avoid damaging it. Where a listing gives a wait, as the VIVOSUN and Sonkir steps do with 10 minutes, follow it and then pull the probe out. Treat the meter as a dip and remove tool rather than a permanent indicator.
Can a soil moisture meter test soil pH?
Some can: the Mcbazel lists a pH range of 3 to 9 with accuracy of plus or minus 0.2, and the VIVOSUN and Sonkir list 3.5 to 8. Treat pH as a rough guide, as the Raintrip listing shows 19 customers mention accuracy, 14 negative. For a dependable pH figure, use a chemical soil test kit.
The test kit advice is our view, not a listing claim, and the review summaries back the caution: the Sonkir listing shows 10 customers mention pH measurement, 4 positive and 6 negative, and the Mcbazel listing shows 27 customers mention accuracy, 13 positive and 14 negative. If it is the lawn you are trying to fix, our lawn fertiliser guide is a better starting point than any nutrient scale.
How we checked these soil moisture meters
We read the title, bullet points, product information and description on each Amazon Australia listing, and used the maker's own usage steps where the listing gave them. Specs come from the maker's bullet points and the product information on each listing. We did not test the meters ourselves, and ratings and counts are the figures shown on each listing.
Last checked: 21 October 2026
Our verdict
The Dr.meter 2 Pack Soil Moisture Meter is the one we put first for most gardens: it is rated 4.4 from 15,080 ratings, its bullets say no batteries are required, and two meters come in the pack. For deep pots, the XLUX Long Probe Moisture Meter 2 Pack is rated 4.4 from 3,120 ratings. For a number on a backlit screen, the Mcbazel Digital Soil Meter needs 3 AAA batteries that its listing says are not included. The VIVOSUN, Raintrip and Sonkir add light, pH or nutrient readings, so treat those as a rough guide and use the moisture reading for watering. If you need real pH, use a chemical soil test kit. Once the meter says it is time, a watering can handles the pots and a garden hose handles the beds.
Frequently Asked Questions
How to measure moisture in dirt?
Push the probe into the soil to root depth, away from rocks and hard ground, wipe it clean after each use, and follow your listing for when to read it. The Sonkir and VIVOSUN listings say insert it 2 to 4 inches, the XLUX dial reads immediately, and the VIVOSUN steps say to note the level after 10 minutes.
What moisture level should indoor plants be?
That depends on the plant, so start with its care label. The meters only give you a scale to match against it: the Sonkir lists 1 to 3 as dry, 4 to 7 as normal and 8 to 10 as wet, and the XLUX dial has three zones with ten scales. Read at root depth.
Do moisture meters for plants really work?
Yes for the basic wet or dry call. The XLUX listing says its dial shows whether soil deep in the pot is dry, moist or wet, where eyes and fingers only judge the surface. The Mcbazel listing warns that readings vary with insertion depth and contact quality, so read at a steady depth.
Is it worth getting a moisture meter?
If you struggle to judge when to water, it is the job these listings describe. The Dr.meter listing talks about ending the guesswork of poking a finger into the soil. A no battery meter has nothing to replace, and the Dr.meter 2 Pack Soil Moisture Meter, rated 4.4 from 15,080 ratings, is the one we put first.
What is the most accurate moisture meter for plants?
We did not test the meters, so we cannot rank accuracy. The Mcbazel listing gives humidity accuracy of plus or minus 10 percent and pH accuracy of plus or minus 0.2. On the listing review summaries, accuracy draws 8 positive and 6 negative mentions on the XLUX and 13 positive and 14 negative on the Mcbazel.
What are the downsides of using a soil moisture sensor?
The listings point to a few limits. These meters are for soil, not water or other liquids, and the XLUX listing says not to test very hard soil. It also says not to leave the meter in the soil for more than 5 minutes because the metal tip will gradually corrode. The Mcbazel probe is only 4 mm thick.
What is the ideal soil moisture level?
No single level suits every plant, and the meters give you a scale rather than a target. The VIVOSUN lists a moisture range of 1 to 10 from dry to moist, and the Sonkir marks 4 to 7 as normal. Match the reading to what your plant needs, and read at root depth.
Are cheap moisture meters any good?
For the wet or dry call, a simple meter can do the job: the Dr.meter 2 Pack Soil Moisture Meter is rated 4.4 from 15,080 ratings. On the 3 in 1 models, treat the pH and light dials as a rough guide, which is our view. If pH matters, a chemical soil test kit is the safer tool.
What is the purpose of a soil moisture meter?
It tells you whether the soil at the probe is dry, moist or wet, so you water when the plant needs it rather than by the look of the surface. The XLUX listing says eyes and fingers only judge the surface, while its dial reads deeper in the pot or garden. Some models add light, pH or temperature.
