Nutri+ pH 4 Calibration Solution 4L Thrips Heavy duty green scouring pads

Heavy duty green scouring pads are ideal for scrubbing stubborn burnt-on stains

Type Hose Reel Open or Enclosed Chassis Open Color Red For Use With Air Style Open Chassis Drive/Return Type Spring Return Outlet 3/8"

Eraser sponges easily lift away scuffs and grime

Full control of solenoid valves for automatic irrigation and batch tank filling

The BatchOne Go is engineered to make dry trimming your small batch a breeze

Nutri+ pH 4 Calibration Solution 4L Thrips Heavy duty green scouring padsNutri+ pH 4 Calibration Solution 4L These calibration solutions allow you to recalibrate a pH meter that is giving improper readings. In order to properly calibrate a pH meter, you must have a test solution with a known pH level. These solutions will have you calibrate your meter until it gives a reading of 4 or 7 that matches the bottle.