Bluelab PH Pen A hardy, compact pH and temperature pen. Teamed with our Bluelab ppm or EC Pen, you have a handy, convenient and accurate system for ensuring optimum plant...
HM Digital - PH-80: pH HydroTester The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums...
Bluelab PPM Pen A robust handheld solution for measuring conductivity and temperature on the go. To make sure the plants can get at the food, you need to measure the...
Bluelab pH Probe Dependable double-junction pH probe technology that's built to last Double-junction probe reduces reference contamination, extending longevity Fully waterproof - not just water resistant BNC connector allows use...
Nutradip Growboss NEW and Improved Features Include: PPM Probe is now manufactured and assembled in Canada. Standardized epoxy grade increased = increased water proofing capabilities. New robust power supply provides...
Alfred Digital pH / Temperature Water Resistant Tester The pH-1 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools &...
