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the wrapper is doing nothing you need
expanded metal
feels more brittle in the hand
tear-resistant
Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution Active Air the wrapper is doing nothingBluelab 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
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