PASCO Wireless pH Sensor Can Log for up to 90 Days

Reef Aquarists are rapidly learning the paramount importance of pH in our mineral rich reef aquariums because it drives the entire process of calcification in stony corals and all calcifying invertebrates. There are many different options for measuring pH in the…

Is a $25 pH Monitor Even Any Good?

When I started keeping aquariums in the mid 1990s a pH monitor from Milwaukee Instruments or American Marine cost around a hundred dollars. Do you know how much they cost today around twenty five years later? They’re still roughly the…

Halo Bluetooth pH meter from Hanna Instruments works with iPad app

The Halo pH meter is an exciting new chemistry measurement tool from Hanna Instruments that connects to an iPad using bluetooth. The Halo pH meter transmits directly to an iPad application called Hanna Lab essentially turning your Candy Crush gaming…

Hanna Instruments Edge pH meter takes inspiration from modern smartphones

The Edge pH meter from Hanna Instruments is a new highly refined digital testing device which firmly breaks away from the design standards of contemporary laboratory testing equipment. Rather than looking like a blocky and intimidating slab of water testing…

Sensorex PH-1 turns your iPhone or iPad into a portable pH meter

Sensorex has developed a mobile accessory for pH measurements tapping into you Apple iPhone, iPod or iPad device. The Sensorex PH-1 pH meter allows you to measure, record, and track your pH readings using the dock connector on the bottom…

Solar powered pH meter from Macro Aqua has no batteries to run out

While comparing the new ATI powercone and ATI purple plus T5 lamps to some products we spied at Germany’s InterZoo, we were reminded of this solar powered pH pen we caught disfiguring the side of a perfectly nice trimless tank.…