Bluelab pH Probe hydro-components Each pot holds two gallons

Each pot holds two gallons of your favorite media

Now includes mogul socket and 15' cord set

and you’re ready to go

1 Plug Hole 38mm / 40mm

Bluelab pH Probe hydro-components Each pot holds two gallonsA replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors. The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution. Unfortunately pH Probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life. The Bluelab pH Probe has a double