Bluelab® pH Probe Inline Grow Medium Proper light transmission will aid

Proper light transmission will aid in optimal crop growth

Use For Flowering

Bluelab pH probe KCI Storage Solution is manufactured to high laboratory standards

each dripper features a self-cleaning mechanism and precision manufacturing for maximum reliability

Mix at 60% of Pro Grow or Bloom

Bluelab® pH Probe Inline Grow Medium Proper light transmission will aidBluelab pH Probe Inline: Replacement Probe for Bluelab Guardian Monitor Connect Inline The Bluelab pH Probe Inline is a replacement probe for the Guardian Monitor In Line. 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. Replace only the pH probe, not the whole meter! Features Double junction