HM Digital Pro Series Pen style pH/Temp meter spl_ps The Active Aqua Dual Diaphragm

The Active Aqua Dual Diaphragm Air Pump is a reliable and efficient solution for providing essential aeration to your hydroponic garden

which means it is stable even under fire conditions

Easily attaches with spring and lock channel—ideal for sidewall roll-up kits

This Flask has a 35/15 round joint with a 1/2" Hose Barb and Viton gaskets on the Teflon Valve

HM Digital Pro Series Pen style pH/Temp meter spl_ps The Active Aqua Dual DiaphragmDescription PH 200: Waterproof Professional Series pH Temp Meter The PH 200 is a professional grade pH Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment,