Pay in 4 interest-free payments of $39.38 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
screw it in firmly
It's particularly important in coco coir
Systems it suits
Works particularly well with high-output EC extraction fans where noise is most noticeable
Bluelab Guardian Monitor (Conductivity / Temperature / pH) Beneficial Inoculants screw it in firmlyBluelab Guardian Monitor Continuous pH, EC and Temperature Alarm Best for: growers who want to keep a permanent eye on reservoir pH, EC and temperature between manual checks, with an alarm if things drift out of range. Our thoughts This is peace of mind you can hang on the side of your tank. Rather than testing once and hoping nothing changes overnight, the Guardian sits there watching continuously and shouts at you if pH or EC creeps too high or low.
