Quick view Compare Add to Cart pH/EC/TDS/Temperature Portable Meter, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L) MSRP: Was: Now: $269.99
Quick view Compare Add to Cart GroLine Monitor for Hydroponic Nutrients with Inline Probe MSRP: Was: Now: $499.99
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