Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter featured convenient and attractive countertop displays

convenient and attractive countertop displays

Includes appropriate number of fluorescent 6400K

They are baked in an open furnace using high grade clean fuels

Product Highlights Sky Blue Metal Halide provides an ideal spectrum to help plants grow in vegetative stages

Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter featured convenient and attractive countertop displaysEasy 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