Bluelab Ph-4 Buffer Solution (250, or 500mLs) research Left - Right Rotation

Left - Right Rotation

Remove plastic top cap

200mm x 600mm (8")

Tobacco Leafminer (Potato Moth)

Citrus Rust Mite

Bluelab Ph-4 Buffer Solution (250, or 500mLs) research Left - Right RotationBluelab Ph 4 Buffer Solution Bluelab Ph 4 Buffer Solution is used to calibrate the pH levels of your plants and make sure your Bluelab equipment is working correctly. The solution helps keep your Bluelab products accurate and last longer by referencing to high laboratory standards. It's important to calibrate and clean your pH measuring equipment at least once a month to get the most accurate readings. The calibration process involves setting the