Meters & Testers

4-Way Electronic Soil Analyzer

Plus light meter - N3679 Take the guesswork out of providing optimum conditions for your plants. This proven 4-way meter instantly analyzes soil and moisture, plus available light, factors that are critical to good plant health. With 3 probes, the...

Dial Compost Thermometer, 19"

Easy-to-read stainless steel compost thermometer. 19" probe reads deep into your pile. 2" dial. Scale 0° F - 200° F.

Digital 3-Way Soil Analyzer

Soil Fertility, pH, and Temperature - N3681 Quickly and accurately get the information you need for optimal plant growth! No more guessing. With just a couple of touches of this high-tech meter, you’ll know the current ph, fertility (N-P-K), and...

Digital Moisture Meter

By far, the most common way to kill plants is overwatering. Take the guesswork out of watering with our handsome, Digital Moisture Meter. Just insert the probe into the soil and it measures moisture at the root level – where it counts. Results are...

Light & Moisture Meter

Checks the 2 most important factors for healthy growing plants. Combination meter with 5" probe on flexible cord. Compact, durable, permanently calibrated and simple to use. Includes watering needs for over 150 plants. No batteries ever needed...

Mondi Mini Thermo-Hygrometer

Bring propagation to a whole new level with the Mini Greenhouse Thermo-Hygrometer! Its revolutionary technology gives out real-time information that is essential during propagation, meaning it's never been easier and more enjoyable to propagate a wide...

Plant Communicator - 15 volt Replacement Battery

15 volt replacement battery for N3675 Plant Communicator (see photo for battery replacement instructions). Battery only.  

Plant Communicator - Water/Fertilizer Tester

Instantly and accurately know your plants’ moisture and fertilizer needs. This unique instrument measures moisture in the soil and the level of soluble salts (fertilizer). You will know instantly by means of a distinctive sound how to make your...

Pocket Soil Thermometer

Verify your soil temperature for rapid seed germination and quicker rooting. Carry this thermometer in your pocket and use it for quick, accurate soil temperature readings in the garden and greenhouse. 1" dial with waterproof magnifying cover for easy...

Rapitest Soil Test Kit, N-P-K-pH, 40 tests

10 ea for nitrogen, phosphorus, potash, pH   Plants need the correct pH (acidity/alkalinity) level that controls how well plants utilize the nutrients available in your soil. Different plants have different pH preferences. This kit lets you quickly test...

Silicon Cell Digital Light Meter

Create optimum light for your plants Accurately measure the amount of light your plants receive from grow lights or sunlight. Move your plants to the most favorable locations. The remote hand-held sensor features a lifetime silicon cell. Measures up to...