Bluelab One Pen Beneficial Inoculants and better rootzone oxygen without

and better rootzone oxygen without losing the coco benefits

better for delicate material

this is worth picking up while stock lasts

Versus an active pump-fed system like Wilma at the same pot count

Bluelab One Pen Beneficial Inoculants and better rootzone oxygen withoutBluelab One Pen All in One pH, EC and Temperature Handheld Best for: growers who want Combo Meter style all in one readings but in a single streamlined pen rather than a probe on a cable design. Our thoughts Think of this as Bluelab's take on the combo meter in a tidier, single pen body. It measures pH, conductivity and temperature from one sensor tip, so you get the same "one dip, all the numbers" convenience without a separate cable and display unit