Bluelab Ph-4 Buffer Solution (250, or 500mLs) perlite 100% Reflective Mylar InteriorMaximizes light

100% Reflective Mylar InteriorMaximizes light efficiency and ensures even light distribution for faster

Making it the quickest

CRYSTAL CLEAR COCO FLUSH

Includes pump

The result

Bluelab Ph-4 Buffer Solution (250, or 500mLs) perlite 100% Reflective Mylar InteriorMaximizes lightBluelab 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