Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution expand so it never fouls the

so it never fouls the seat of the cap

Leaves virtually no residue on plant foliage or flowers

Shake well before use

Every packet is sealed in its own wrapper with an indicator card inside

Reduces biofilm - Keep lines clear of dangerous organic material

Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution expand so it never fouls theBluelab pH & PPM Complete Starter Kit with Storage & Calibration Solution The kit includes: BlueLab pH Pen Bluelab PPM Pen Bluelab pH Probe KCI Storage Solution 100 ml BlueLab Calibration Solution 4. 0 pH 250 ml BlueLab Calibration Solution 7. 0 pH 250 ml BlueLab pH Pen The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets you give the best care possible to your