Bluelab pH 7.0 Calibration Solution Size:250ml Once the young plants produce

Once the young plants produce their second or third pair of leaves

A replacement probe for Bluelab Combo and pH Meters

Modular drying system

Each of the growing cells measures 5cm x 4

The Irrigatia C24 Solar Automatic Watering System offers irrgation for up to 12 large hanging baskets or 24 20L flower pots (requires the 12 dripper extension kit for this option)

Bluelab pH 7.0 Calibration Solution Size:250ml Once the young plants produceHigh quality solutions formulated for calibrating pH probes. Bluelab calibration solutions are essential for use with all Bluelab products. Bluelab Solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy. The bottles pictured here may look different in some countries.