Bluelab Guardian Monitor (Conductivity / Temperature / pH) Beneficial Inoculants Works particularly well with high-output

Works particularly well with high-output EC extraction fans where noise is most noticeable

and a powerful 1

so heat output is lower for the same light quality

Systems it suits

screw it in firmly

Bluelab Guardian Monitor (Conductivity / Temperature / pH) Beneficial Inoculants Works particularly well with high-outputBluelab 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.