Bluelab Replacement pH Probe air + water + co2 These heavy duty yet lightweight

These heavy duty yet lightweight pots feature raised bottoms with unique multiple drainage holes and slits for optimum root zone aeration

Use by Phase

and it is 100% salt-free

Always use equal parts of Athena Bloom A & B to maintain proper mineral ratios

compliant production

Bluelab Replacement pH Probe air + water + co2 These heavy duty yet lightweightA replacement probe for Bluelab Combo and pH Meters as well as the Bluelab Guardian Monitor. 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