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

When expanded

Application: Cold-water garden and outdoor filtration

• LED emergency indicator light

Telephone number: +34 91 562 04 20

Wicking mat for auto-watering

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