Myron L Ultrapen PT1 (EC)/TDS/Salinity Pen TrolMaster Oscillation + Tilt: Sweep the

Oscillation + Tilt: Sweep the room or lock and aim the head

Overwrapped Humidity Packs for Humid Rooms

TALLEST - Patent Pending adjustable extension poles allow you to increase the height of your grow tent from 7'to 8' to 9' or even 10' tall

this fixture keeps energy use low for growers running multiple small-footprint setups

Our black plastic trays are 6" deep with a virgin U

Myron L Ultrapen PT1 (EC)/TDS/Salinity Pen TrolMaster Oscillation + Tilt: Sweep theThe Myron L Ultrapen PT1 (EC) TDS Salinity Pen is designed to be extremely accurate, fast and simple to use in diverse water quality applications. Advanced features include the ability to select from 3 different solution types that model the characteristics of the most commonly encountered types of water; proprietary temperature compensation and TDS conversion algorithms; highly stable microprocessor based circuitry; user intuitive design; and