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...
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...
Accurate, Reliable pH Testing for Hydroponics, Pools, Aquariums, and More The PH-80 pH HydroTester by HM Digital is a cost-effective yet highly precise tool designed to maintain optimal water quality....
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 &...
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...
