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no leak ducting ports
and a 24-hour timer
high analysis formula for all field or greenhouse grown ornamental or agricultural corps
ReadyGro Moisture Formula works well in both indoor and outdoor environments
Bluelab pH Probe drying-racks no leak ducting portsA 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
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