Bluelab pH 4.0 Calibration Solution Size:500ml The Eazy Block is the

The Eazy Block is the next evolution in organic growing media

flexible wire core which allows you to easily shape and bend it to fit the needs of your plants

Be careful as this reaction releases a fair amount of heat

turning them into available foods

supporting up to 20kg

Bluelab pH 4.0 Calibration Solution Size:500ml The Eazy Block is theBluelab 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. The bottles pictured here may look different in some countries.