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 (

The thick 1680D material ensures high quality

Zero hassle

Problem: How to keep nutrients available to fast growing plants in living soil

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

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.