Probes & Accessories

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  • Lab Grade Dissolved Oxygen Probe - Neptune Systems

    $699.95
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  • MQ-200 Quantum Separate Sensor with Handheld Meter Quick look

    MQ-200 Quantum Separate Sensor with Handheld PAR Meter - Apogee

    reg. $379.99

    Special Price: $341.99

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  • Lab Grade Conductivity/Salinity Probe - Neptune Systems

    $124.95
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  • Salinity Probe v2 - Digital Aquatics

    $115.00
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  • PH-200 Waterproof pH Meter - HM Digital Quick look

    PH-200 Waterproof pH Meter - HM Digital

    reg. $79.99

    Special Price: $71.99

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  • Lab Grade ORP Probe - Neptune Systems Quick look

    Lab Grade ORP Probe - Neptune Systems

    reg. $89.95

    Special Price: $69.95

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  • American Marine Pinpoint ORP Replacement Probe Quick look

    PINPOINT ORP Replacement Probe

    reg. $74.99

    Special Price: $67.49

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  • BRS Lab Grade ORP Probe Quick look

    BRS Lab Grade ORP Probe

    reg. $69.99

    Special Price: $62.99

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  • Lab Grade pH Probe - Neptune Systems Quick look

    Lab Grade pH Probe - Neptune Systems

    reg. $69.95

    Special Price: $59.95

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  • Standard Grade ORP Probe - Neptune Systems Quick look

    Standard Grade ORP Probe - Neptune Systems

    reg. $69.95

    Special Price: $59.45

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  • BRS Lab Grade pH Probe Quick look

    BRS Lab Grade pH Probe

    reg. $59.99

    Special Price: $53.99

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  • Auqa Gadget CustomCradle Quick look

    Auqa Gadget CustomCradle XL- Innovative Marine

    reg. $49.99

    Special Price: $44.99

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  • PINPOINT pH Replacement Probe Quick look

    PINPOINT pH Replacement Probe

    reg. $44.99

    Special Price: $40.49

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  • Magnetic Probe Rack - Neptune Systems

    $39.95
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  • Standard Grade pH Probe - Neptune Systems Quick look

    Standard Grade pH Probe - Neptune Systems

    reg. $44.95

    Special Price: $38.20

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  • Vertex Sensor-Mag XD Probe Holder

    $31.99
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  • Auqa Gadget CustomCradle Nano - Innovative Marine Quick look

    Auqa Gadget CustomCradle Nano - Innovative Marine

    reg. $29.99

    Special Price: $26.99

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  • Temp Probe (for Lite) - Digital Aquatics

    $24.99
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  • Temp Probe (For Elite) - Digital Aquatics

    $24.99
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  • Milwaukee pH Calibration Fluid - Box of 25 Single Use Packets Quick look

    Milwaukee pH Calibration Fluid - Box of 25 Single Use Packets

    Starting at: $20.69

  • Probe Holder Quick look

    Inline Probe Holder - Compression Fitting

    reg. $19.99

    Special Price: $17.99

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  • Vertex Titanium Grounding Pole

    $14.99

    Out of stock

  • Smart ATO Universal Tube Holder - AutoAqua

    $12.99
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  • Vertex Sensor-Mount

    $11.99
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  • Watchdog - Leak Detection Alarm Quick look

    Watchdog - Leak Detection Alarm

    reg. $12.99

    Special Price: $11.69

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  • BRS pH/ORP Probe Storage Solution One Pint Quick look

    BRS pH/ORP Probe Storage Solution 16 oz

    reg. $12.99

    Special Price: $11.69

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  • Salinity Probe Calibration Solution - Digital Aquatics

    $7.99
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  • PINPOINT Salinity Calibration Fluid Quick look

    PINPOINT Salinity Calibration Fluid

    reg. $7.99

    Special Price: $7.19

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