Bluelab One Pen Beneficial Inoculants Same core mechanism as the

Same core mechanism as the AutoPot FlexiTank - a pole-and-sleeve flexible liner that packs flat when empty

It's the workhorse for intermediate growers

gravity feeds solution to all Trident pots simultaneously via 25mm pipework

better for delicate material

The Venturi-driven oxygenation genuinely simplifies the system compared with standard RDWC - fewer parts

Bluelab One Pen Beneficial Inoculants Same core mechanism as theBluelab 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