SKU: WU-S20-5M

and pH with a clear display and easy-to-use buttons

Replacement frequency depends on the specific filter stage and your water quality and usage volume

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Bluelab pH PenPlus – Replaceable Probe pH & Temperature Meter | IP68 Waterproof | Made in NZ HI700601P SKU: WU-S20-5MBluelab pH PenPlus Replaceable Probe pH & Temperature Meter Minimise downtime, extend product life, and support confident decision making. The Bluelab pH PenPlus (SKU: PENPLUSPH) delivers industry leading pH accuracy with a replaceable double junction probe engineered for continuity in demanding grow environments. When natural probe wear occurs, simply swap the probe, not the whole pen. Less downtime, less disruption, continued confidence in every