Bluelab pH 7.0 Calibration Solution 500mL tool-clean The filter has a diameter

The filter has a diameter of 19mm and an air hole measuring 10mm (

Red worms are excellent for composting and decomposting organic matter

The HI1285-7 is designed for use with Hanna's HI9814 portable multiparameter meter

Insert plant material into media

Zero hassle

Bluelab pH 7.0 Calibration Solution 500mL tool-clean The filter has a diameterElevate your gardening game with Bluelab pH 7. 0 Calibration Solution! This 500mL solution ensures accurate pH readings for optimal plant growth. Say goodbye to guessing and hello to precision. Perfect for hydroponics, soil, and more. Trust Bluelab for reliable results and thriving plants.