Bluelab pH4 Calibration Solution 250ml cal mag reduce to 1

reduce to 1

you can't go wrong by starting your seeds or sticking your cuttings in Root Riot® Plant Starter Cubes

Used in combination with Jack's Part A FeED

Comes with easy-mount suction cups

| Fits 8-inch Carbon Filters | Thickness: 0

Bluelab pH4 Calibration Solution 250ml cal mag reduce to 1pH 4. 0 calibration solutions a must in every grower's toolbox! Contains 250 ml 8. 4 fl oz Boost your pH products longevity with regular cleaning and calibration Type: A clean probe is an accurate probe Bluelab pH Pen Cleaning Instructions Bluelab pH & Soil pH Probe Cleaning Instructions Bluelab Soil pH Pen Cleaning Instructions pH 4. 0 calibration solution MSDS