Bluelab® pH Probe Inline Biostimulants meeting the fundamental nutrient requirements

meeting the fundamental nutrient requirements of your specific plant strain

Easy to set up so you can grow where you want

Shared with other ants

With a metal fan grill

Higher concentrate yields

Bluelab® pH Probe Inline Biostimulants meeting the fundamental nutrient requirementsBluelab 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