The bluelab Guardian Monitor (bluelab permanent meter) is a device for
constantly measuring temperature, EC and pH levels in nutrient solution
so that these parameters cn be adjusted to an optimum setting in each
In just one device the Guardian Monitor measures all three critica..
HoneyStick 'BeeKeeper' Battery with 510 TankThe little, handy and very discrete ‘The Bee Keeper‘ is a vape pen
battery which works with the tank respectively cartridge technology.
This means that the filled cartridge/tank is simply plugged into the
heating element and ready to vape.The mouthpi..