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Soil Testing Kits

If you are serious about gardening and want to grow the best and healthiest for your family, then being informed about the growing conditions of your soil is very important. We offer a large selection of soil testing kits and digital testers that takes the guess work out of reading your soils pH, NPK and moisture levels. We also offer light meters and soil thermometers.


Each testing kit arrives with easy-to-read instructions; anyone can do it! You can learn even more by visiting our blog and reading pH and NPK Values Explained and the GHS Guide to Soil and Soil Testing, Part I, Part II, and Part III.

Price $2.63
List Price: $5.25
You Save: $2.62 (50%)
The rapitest® 1609CS Soil Tester has 10 coded test, 4 for pH, 2 for nitrogen, phosphorus and potash. Complete instructions included.
Price $1.63
List Price: $3.25
You Save: $1.62 (50%)
The rapitest® 1610 Tomato Grower’s Soil Test Kit specially tests the soil for tomato plants. It is very simple to use and allows you to grow the biggest and best tasting tomatoes. It allows you to test for the levels of pH, Nitrogen, Phosphorus, and Potash. Each kit includes; 4 different tests and a color comparison chart.
Price $3.75
List Price: $7.49
You Save: $3.74 (50%)
The Rapitest® 1612 Soil pH Test is designed for simplicity of use and accurate results. At the heart of the new system is a specially designed patented testing device called a “color comparator”. The comparator has a removable film color chart. Testing capsules are placed in a poly bag. A dropper is also provided to facilitate transferring water into the test chamber. Includes 10 test and complete instructions.
Price $3.00
List Price: $5.99
You Save: $2.99 (50%)
The rapitest® 1810 Mini Moisture Tester is an economical way to determine the moisture in your soil. Simply insert the stainless steel probe into the soil and it instantly tells you if the level of moisture in the soil. Included are instructions on over 100 plants and the moisture levels they require to grow well. No battery is required to operate this tester.
Price $4.00
List Price: $7.99
You Save: $3.99 (50%)
The rapitest® 1815 Mini pH Tester is an economical way to determine the pH level in your soil. Instantly gives you the acidity of the soil which enables you to alter the soil conditions for optimum growing conditions. Instructions are included with each Mini pH Tester for flowers, shrubs and vegetable plants. No battery required.
Price $6.58
List Price: $13.50
You Save: $6.92 (51%)
The rapitest® 1817 Mini pH/Moisture Tester is an economical way to determine the pH level in your soil and also the moisture content. Instantly gives you the acidity of the soil which enables you to alter the soil conditions for optimum growing conditions. Instantly tells you when to water your plants. Instructions are included with each Mini pH/Moisture Tester for flowers, shrubs and vegetable plants and the watering needs for over 100 plants. No battery required.
Price $6.24
List Price: $12.48
You Save: $6.24 (50%)
The rapitest® 1818 Mini 4-in-1 Tester is an economical way to determine pH, moisture, fertility and sunlight needs for plants. Instantly gives you the acidity of the soil which enables you to alter the soil conditions for optimum growing conditions. Instantly tells you when to water your plants. Instantly gives soil fertility. Instantly gives the sunlight level. Instructions are included with each Mini 4-in-1 Tester.
Price $12.50
List Price: $24.99
You Save: $12.49 (50%)
The rapitest® 1860 Electronic Soil Tester is used to determine the fertilizer and pH levels of your soil, in less than 1 minute. The solid state construction makes it very accurate and durable. It requires one AA Battery (not included). Instructions for adjustment and fertilization are included.
Price $17.50
List Price: $34.99
You Save: $17.49 (50%)
The Rapitest® 1880 Electronic 4-Way Analyzer determines pH, fertility, soil moisture, and the amount of sunlight per day, all in one unit. The Electronic 4-Way Analyzer was given the Green Thumb Award for best product. Instructions are included with each Electronic Soil Tester.
Price $10.00
List Price: $19.99
You Save: $9.99 (50%)
The Environmental Concepts Soil Test Kit is a high quality testing kit which reads the levels of pH, nitrogen, Phosphorus and Potash in your soil. Each soil test kit contains 40 tests, 10 for each type. All contained within a tidy, convenient carrying case. Complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden.
Price $68.90
List Price: $137.79
You Save: $68.89 (50%)
The Environmental Concepts Professional Test Kit contains 200 total tests. There are 50 test for each of these 4 types, pH, Nitrogen, Phosphorus and Potash. The carry case keeps all testing materials in secure positions. Complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden.
Price $6.10
List Price: $12.19
You Save: $6.09 (50%)
The hand-held, lightweight and simple to use, rapitest™ 1825 Digital Moisture Meter provides instant information on the moisture level in houseplants. It takes a reading from the root level, where moisture requirements are most important.
Price $11.50
List Price: $22.99
You Save: $11.49 (50%)
The rapitest™ 1827 Digital PLUS Moisture Meter not only offers instant digital readouts of the soil's moisture level, but it provides data about the ideal growing conditions for 150 of the most popular plants, right at your fingertips. This hand-held plant moisture meter is compact, portable and simple to use. It helps to maintain optimum moisture levels for the healthiest plants you've ever grown.
Price $6.50
List Price: $12.99
You Save: $6.49 (50%)
This hand-held rapitest™ 1845 Digital Soil pH Meter provides immediate information on soil acid/alkalinity for landscape plants, garden edibles, and indoor houseplants. The large digital readout is instant, and the lightweight, sleek design makes this meter very portable and easy to hold.
Price $14.00
List Price: $27.99
You Save: $13.99 (50%)
This rapitest™ 1847 Digital pH Meter is so informative and simple to use, no homeowner should be without one. It contains a data base of the optimum pH levels for 350 fruits, flowers, veggies, grasses and landscape plants. It provides an instant readout of the soil's acid/alkalinity, and then comparative information for the ideal level for that particular plant.
Price $16.50
List Price: $32.99
You Save: $16.49 (50%)
SunCalc® "the sunlight calculator" is a revolutionary new electronic solar radiation measuring device that accurately measures sunlight. All gardeners need to do is place SunCalc at the desired location, turn it on and 12 hours later return to read the results... Full Sun, Partial Sun, Partial Shade or Full Shade.
Price $15.00
List Price: $29.99
You Save: $14.99 (50%)
The Plant Light Intensity Meter is a pocket-sized, portable, light-sensitive instrument capable of reading illuminance, luminance, reflectance, and transmittance up to 10,000 footcandles (lumens per square foot). It is designed specifically for the measurement of light energy that directly affects plant growth, development, and seed germination. Sensor is on a 2.5 foot cord. Instructions included. No batteries need.
Price $4.00
List Price: $7.99
You Save: $3.99 (50%)
Guarantee successful planting with a rapitest® 1618 Soil Thermometer. Proper soil temperature is a key factor when planting seeds and vegetable plants, most seeds require warm soil to a depth of 3 inches for proper germination.