Grotek Final Flush Size:4L Safe for use from veg 744825602185 Made from a unique Size:Hub 4 organic

Safe for use from veg through bloom

Encourage maximum nutrient absorption through a surfactant and chelation provided by humic acids in the medium

healthy root zones — even in warm or high-moisture environments

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

water equipment

Grotek Final Flush Size:4L Safe for use from veg 744825602185 Made from a unique Size:Hub 4 organic Safe for use from veg through bloom Encourage maximum nutrient absorption through a surfactant and chelation provided by humic acids in the medium