Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter stocked When germinating seeds

When germinating seeds

Igredients:

Includes pump protector/inlet filter and 1/2" QC fittings

Application: Cold-water garden and outdoor filtration

Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter stocked When germinating seedsEasy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all glass electrodes because of its tough polypropylene barrel. Gel filled (non refillable) making it maintenance free and a double junction reference providing longer life! Probe Tips All probes are interchangeable between all Bluelab products All probes carry a 6 month warranty Proper hydration of pH probes is vital to maintain wick All pH probes eventually