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Grodan Improved pre-cut Gro-Slabs are extremely versatile and lend themselves perfectly to cultivation
5°C /±1°F Calibration automatic
The garlic odor dissipates within minutes of application
Color coded label for easy pH buffer value identification
helping them grow vertically and reducing the risk of damage from pests and diseases
Aqua Master Calibration Solution pH 4.01 100ml (Case of 18) Tents & Tarps Grodan Improved pre-cut Gro-Slabs areDescription Aqua Master Calibration Solution pH 4. 01 100ml (Case of 18): This is a 100 ml pH 4. 01 calibration solution. Each solution is traceable to the NIST standard. It is advised to close immediately after use. For optimal performance, store this solution between 59 77F. Note that there should be no return of liquid. Packaging: The Aqua Master Calibration Solution is sold as a case of 18 bottles. This ensures that you get a good supply of the
