Bluelab External Lockout & Alarm Box growing-accessories • Sap groove keeps blades

• Sap groove keeps blades from sticking

the bottle of Frenzy is emptied into the reservoir

keep the fixture 3-6" away from the plant canopy

No more switching between meters for your routine measurements

the microbial life in the root zone suffers and starves

Bluelab External Lockout & Alarm Box growing-accessories • Sap groove keeps bladesThis Bluelab External Lockout and Alarm Box is an optional extra for your dosing system. Use to connect the Bluelab Pro Controller to external switches, for example a float switch or a greenhouse alarm system. When these switches are activated, the Bluelab Pro Controller is placed in lock out mode, so no further dosing will occur until reset.