Bluelab pH Probe fans-ventilation-ducting rely on black and white

rely on black and white poly

#43905-1) and has complied with all EPA regulations for the continued use of IBA in the product

Weight: 15 lbs

Super compact box takes up little shelf space

those for Propane and those for Natural Gas

Bluelab pH Probe fans-ventilation-ducting rely on black and whiteA 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