Bluelab pH Probe LED Lighting easy to replace screw on

easy to replace screw on cap membranes and long battery life

Inside Dimensions: 16" x 40" x 4

Operating the Ceramic HPS lamp on an EYE HORTILUX ballast is the only way to ensure consistent performance and maximum plant yields as lamp/ballast compatibility is guaranteed between these two products

Four way dimming feature 60%

Transplant plugs in soil or soilless hydrogardening applications

Bluelab pH Probe LED Lighting easy to replace screw onA 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