Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter plant-support Keep out dirt

Keep out dirt

Kelp Meal enhances the flexibility and sheen of the skin and coat in dogs

Spare (Foliar feed or other function)

Use water at room temperature for the best result

Concentrated Water-Soluble Plant Food with marine bird fossilized guano and steamed bone meal

Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter plant-support Keep out dirtEasy 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