Bluelab Inline pH ProbeThe Bluelab Inline pH Probe is a replacement probe for the Guardian Monitor Connect 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! Double junction probe reduces reference contamination, extending longevity 3 4 NPT thread fits inline

Drip Clean gives your plants a boost

or mixed setups

blue and red diodes was designed specifically for healthy rooting in clones

evenly distributed over the total surface

Weight: 7 lbs

Simple adjustment makes setting the correct height quick and easy

This safe and mild acid is derived from saltand a proprietary electrochemical treatment process

Factor based on 442 curve for natural water

GreenPlanet Professional Coco Coir + Perlite 70/30 is the epitome of quality and sustainability in gardening and horticulture

Foliage crops

but we can assure you this is the perfect balance

Provides 60 day Residual control of Cockroaches