Bluelab® Combo Meter Size:Bluelab Combo Meter This hefty granular carbon bed

This hefty granular carbon bed effectively makes the Original filter the “biggest sponge” for VOC removal capable of holding massive amounts of contaminant leading to a lifespan that leaves other filters

1 sec contact time

A 100% organic biostimulant that enhances a plant's ability to absorb and utilize nutrients

Built-in 1—30 min hot start delay with HOLD feature

Bluelab® Combo Meter Size:Bluelab Combo Meter This hefty granular carbon bedThe Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops' daily nutrient requirements. Simple push button pH calibration. Successful pH calibration indicators. Low battery indicator. Over range and under range indicators. Display options available in degrees C and F, EC, CF, ppm