HM Digital EC/TDS HydroTester PenHm Digital released the COM 80 as an affordable, but reliable, EC TDS meter ideal for testing in situations like hydroponics, aquaponics, gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. This handheld pen measures both electrical conductivity (EC) and total dissolved solids (TDS) and is a great option for hydroponic nutrient testing. Features Four Scales EC: S, mS and TDS: ppm, ppt ATC (Automatic Temperature

10" wire uprights hold a 3-1/4" x 1-1/2" copper tag that can be embossed with a ballpoint pen

9 oz/square yard

It has been shown to increase yields and plant vigor

32 oz Hose End Sprayer Treats up to 4

Scottish Export

- Adjustable tip for a range of spray options

makes top quality tubs that are available in a wide range of sizes and colors

With an easy to read dial that ranges from 0-220F (-20-100C)

Simply push the clip around the vine or stem and snap into place

and sphagnum peat moss give Ocean Forest® its light

5” (39cm) wide x 6

and larger open areas