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Top 17 Best Soil Moisture Meter For Indoor Plants Of 2022

Dart Hill
  Aug 15, 2022 8:00 PM

Do you find yourself constantly having to restock your pebble tray? To keep your plants happy and healthy, you should have a humidifier. The information in this manual is terrifying!! Are you guilty of overwatering or underwatering your plant once again? That's right; we can all relate. Soil moisture meters are a great tool for maintaining an accurate watering schedule, eliminating the guesswork involved in determining when your plants have received an adequate supply of water. Soil moisture meters are a multipurpose piece of modern gardening equipment that should be in every citizen scientist's tool shed. Some of them can even measure pH levels (cue "WOW" from crowd), making them useful for keeping tabs on compost heaps and worm bins.

Searching for soil moisture meters that cannot distinguish between a sand dune and soaked peat moss can lead you to a mountain of plastic trash. But don't let that discourage you. This article provides a comprehensive overview of the finest soil moisture meters for indoor gardening, greenhouse growing, and houseplant care. Here's the lowdown on the soil moisture meters we recommend:


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Buying Guide

Electronic vs. Manual

Digital and analog readings can be seen on moisture meters. Whereas analog displays transmit data visually, digital displays use circuitry to do so. In most cases, problems multiply when electronics are included. Because of this, we normally favor an analog instrument for use in harsh outdoor conditions. Compared to digital models, analog moisture meters are more long-lasting since they don't contain as many moving or sensitive parts that could break during normal use or exposure to the environment.

The only time this is not the case is if you wish to install a sophisticated monitoring system for your facility. Using a smart moisture meter, you can track the amount of water and light your plant receives over time. If you are starting a garden in a new area of your yard or home, or if you have recently moved, this might help you get a better sense of the conditions in which your plants can thrive.

Scope Length

The length of the scope on a moisture meter can vary widely, from a few inches to well over two feet. It's important to consider your plants, growing circumstances, and available funds while deciding on the appropriate size.

Large plants typically have more extensive root systems, hence a longer probe is required to determine the root's water status. A longer probe can give you a better idea of the total moisture levels in the growing media, which is especially helpful if you are growing plants outside in the ground or in large containers. Long-probe moisture meters can be quite expensive, so it's important to carefully consider if you'll actually benefit from having one. Alternatively, you might use the money to buy a second moisture meter with a shorter or medium probe.

Analog vs. Digital

Both analog and digital versions of moisture meters for soil are commercially available. The typical gardener can save money by choosing an analog meter. These meters are straightforward, with readings shown on a basic 1 to 10 scale that is occasionally color-coded for ease of use. Most analog meters can be used immediately after purchase; they do not require batteries.

The price of a digital moisture meter can vary depending on how many extra functions it has. They are more expensive than a standard analog meter, but they can be more precise, simpler to read, and offer remote or smart connectivity features. Batteries or a USB port will be needed for digital soil moisture meters.

No matter what kind of moisture meter you use, it's vital to have a display that is easy to see. The tilted screen of some meters is designed to make reading the readings from the ground a breeze.

Soil Type and Texture

To get the best soil moisture meter, consider the soil type and texture. It's best to use a meter with a very robust probe on heavy clay soils or other sorts of hard soil. The probes of most meters are made of aluminum or steel, however the thinner and more flimsy choices might bend or dent in tougher soils. If possible, use a thicker probe, at least a quarter of an inch, on certain types of soil.

Since any soil moisture meter can work with the looser potting soil used for indoor plants, the probe is more of a problem for outside plants. In any case, it's not a good idea to drive the meter particularly hard into the ground. Users should shift the meter to a new location if they experience significant resistance in any soil.

Keep in mind that high sodium levels in soil might lead to false readings, and that testing soil salinity could be useful if plant growth is stunted. Soil moisture meters may overestimate the moisture content of soils that have been exposed to salt. In such situations, touching the earth with your hands can assist confirm if the reading is accurate.

Accuracy

Having a moisture meter that is accurate is essential. A digital moisture meter would provide the most precise results. More precise than an analog meter's 1–10 scale, the readings on some digital meters can be read to the decimal point or a percentage.

Accuracy can also be improved by using the system's built-in calibration features. The calibration of a user-calibrated meter can be altered to suit a variety of purposes, including gardening, composting, and the precise moisture requirements of various plants.

Think about the right probe length for your needs. One major difference between compost moisture meters and plant moisture meters is the compost moisture meter's typically larger length. The correct probe length is critical for obtaining a precise measurement, as most meters only include moisture sensors at the very tip. The measuring target must be within reach of the probe, therefore its length is an important consideration. Some probes are only a few inches long, while others can be as long as 24 inches.

Extra Features

In addition to gauging soil moisture, some meters can also calculate things like humidity. The amount of sunlight, fertilizer, and pH levels can also be monitored. The combination of these factors represents a perfect setting in which to cultivate your plants. Your plants will be in much better shape if you know which ones are getting enough light and when the soil's pH needs to be adjusted with additions. Preparing for the fact that moisture meters with these added functions may cost a little bit more is advisable. At times, the investment pays off handsomely.

How long you'll use it for

Finally, think about how often you envision using your meter. If you're looking to buy one for the first time as an experiment, anything simple and inexpensive is OK. Hancock suggests looking for a product with a multi-year guarantee if you plan to use it for future growing seasons.


FAQS

How do you read a plant moisture meter?

Moisture readings from analog meters are typically presented on a 1-10 scale. The soil moisture is displayed via a needle that moves in response to variations in the moisture level. Many modern digital moisture meters are assigned a numerical value. In certain cases, digital moisture meters use a 1–10 scale, whereas in others, the reading is presented as a percentage.

Color-coded dials on many plant moisture meters indicate if the soil is too dry (red), at an optimal level (green), or too wet (blue) (blue). This aids in making the process of interpreting a plant moisture meter's readings as straightforward and easy as possible.

How accurate are the readings on plant moisture meters?

Smaller intervals on a plant moisture meter's scale indicate greater precision. In regions where the plants have deep roots or the soil is deep, a longer probe can also aid boost accuracy. Double-probe moisture meters, especially those that monitor more than one parameter, are the gold standard for precision. It's best to use different probes to test pH and moisture, as this will ensure that each are optimized for their respective readings.

The calibration feature included on some moisture meters allows you to set the scale to a known neutral measurement that will serve as the basis for all subsequent readings. The optimal growing conditions for a given plant species can be programmed into a smart moisture meter's readings.

How to use a moisture meter?

Almost all of the analog moisture meters we looked at in this guide only had one measuring probe. Insert the stem several inches into the soil near your plant(s), and then wait up to 10 minutes (depending on the instructions) for the needle to show the reading.

Do not use on hard surfaces or directly in water, and remove meters after the recommended time period has passed.

How does a moisture meter work?

An electrical current is created between the metal sensors and the water in the soil, which is how the typical handheld moisture meter functions. In other words, the current and subsequent readings will be higher as soil moisture increases.


Conclusion

Will you now turn your living room into a jungle? I hope this article has given you the go-ahead, plant-loving, online-shopping savages! We trust that this evaluation of the best moisture meters has helped you see the value of include one in your regular plant care routine. While moisture meter readings can be helpful, they should never replace your own senses when determining whether or not to water your plants. When combined with a hygrometer, the correct soil moisture meter is a powerful tool for ensuring optimal circumstances for plant growth. Have fun looking for this cutting-edge addition to your gardening arsenal.


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