Meters & Testers

Verify your soil temperature for rapid seed germination and quicker rooting. Carry this thermometer in your pocket and use it for quick, accurate s...

10 ea for nitrogen, phosphorus, potash, pH   Plants need the correct pH (acidity/alkalinity) level that controls how well plants utilize the nutri...

By far, the most common way to kill plants is overwatering. Take the guesswork out of watering with our handsome, Digital Moisture Meter. Just inse...

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-te...

Built-In Plant pH Preferences Knowing and maintaining proper soil pH maximizes plant growth for healthier plants. Now you can instantly take the ...

Plus light meter - N3679 Take the guesswork out of providing optimum conditions for your plants. This proven 4-way meter instantly analyzes soil ...

Bring propagation to a whole new level with the Mini Greenhouse Thermo-Hygrometer! - N2631 Its revolutionary technology gives out real-time informa...

Create optimum light for your plants Accurately measure the amount of light your plants receive from grow lights or sunlight. Move your plants to t...

Replacement Battery 15 volt for Plant Communicator (see N3675). Battery only.