Bluelab pH 4.0 Calibration Solution 500ml gaia The cleansing of the rhizosphere

The cleansing of the rhizosphere allows for efficient mineral uptake

There are two convenient pull cords for speed and oscillation control

The exterior is made from a thick black canvas and has a silver reflective interior coating which lets the light provided from your grow lights stay concentrated on the plants

but is more efficient when used for foliar application

4" (300mm) Fusion Breath Carbon Filter 4"x12" (200 CFM)

Bluelab pH 4.0 Calibration Solution 500ml gaia The cleansing of the rhizosphereBluelab calibration solutions are essential for use with all Bluelab products. Bluelab Solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy.