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Controllers, Monitors & Testing

Test Kits
Test Kits
Neptune Systems - Apex
Neptune Systems - Apex
Digital Aquatics ReefKeeper
Digital Aquatics ReefKeeper
Milwaukee
Milwaukee
Pinpoint
Pinpoint
Hydrometers & Refractometers
Hydrometers & Refractometers
Hanna Checker Colorimeters
Hanna Checker Colorimeters
Timers & Thermometers
Timers & Thermometers
Probes & Accessories
Probes & Accessories
32 / 64
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  • Low-Profile Advanced Leak Detection Probe - Neptune Systems

    26 Reward Points

    Regular Price: $29.99

    Special Price: $26.99

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  • AquaBus Cable - Neptune Systems

    Starting at: $11.69

  • Milwaukee MC120 pH Monitor

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

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  • Milwaukee MC122 pH Controller

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

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  • Milwaukee MW500 ORP Monitor

    93 Reward Points

    Regular Price: $109.99

    Special Price: $93.49

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  • Milwaukee pH600 pH Meter Pen

    21 Reward Points

    Regular Price: $24.99

    Special Price: $21.24

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  • Milwaukee MC510 ORP Controller

    110 Reward Points

    Regular Price: $129.99

    Special Price: $110.49

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  • Milwaukee MW101 pH Meter w/Battery

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

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  • Milwaukee SMS125 pH/ORP Controller Combo

    182 Reward Points

    Regular Price: $214.99

    Special Price: $182.74

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  • PINPOINT pH Monitor

    84 Reward Points

    Regular Price: $99.99

    Special Price: $84.99

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  • PINPOINT pH Controller

    169 Reward Points

    Regular Price: $199.99

    Special Price: $169.99

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  • PINPOINT pH Replacement Probe

    38 Reward Points

    Regular Price: $44.99

    Special Price: $38.24

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  • PINPOINT ORP Monitor

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

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  • PINPOINT ORP Controller

    169 Reward Points

    Regular Price: $199.99

    Special Price: $169.99

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  • Lunar Simulator Module: LSM & Lunar LED String - Neptune Systems

    Starting at: $26.99

  • PH-200 Waterproof pH Meter - HM Digital

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

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  • PINPOINT ORP Replacement Probe

    63 Reward Points

    Regular Price: $74.99

    Special Price: $63.74

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  • PINPOINT Salinity Monitor

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

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  • Neptune Systems Conductivity Calibration Solution

    Starting at: $2.69

  • ReefKeeper SL1 pH and ORP Module - Digital Aquatics

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

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  • Lab Grade Conductivity/Salinity Probe - Neptune Systems

    112 Reward Points

    Regular Price: $124.99

    Special Price: $112.49

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  • 2 Channel Apex to Tunze Stream Cable - Neptune Systems

    17 Reward Points

    Regular Price: $19.99

    Special Price: $17.99

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  • Aqua Illumination Sol Interface Cable to Apex VDM Module - Neptune Systems

    16 Reward Points

    Regular Price: $17.99

    Special Price: $16.19

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  • 2 Channel Apex to Light Dimming Cable - Neptune Systems

    13 Reward Points

    Regular Price: $14.99

    Special Price: $13.49

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  • Temperature Probe - Neptune Systems

    26 Reward Points

    Regular Price: $29.99

    Special Price: $26.99

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  • ReefKeeper ALC Dimmable T5 & Aqua Illumination Sol LED Controller - Digital Aquatics

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

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  • ReefKeeper NET Internet Module - Digital Aquatics

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

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  • ReefKeeper HUB Bus Hub - Digital Aquatics

    32 Reward Points

    Regular Price: $37.99

    Special Price: $32.29

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  • ReefKeeper PC4 Power Bar Module - Digital Aquatics

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

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  • Digital Aquatics ReefKeeper MLC Lunar Light Module

    Starting at: $59.49

  • Digital Aquatics ReefKeeper Lunar Pod

    Starting at: $8.49

  • Hamilton 24-Hour Grounded Timer

    10 Reward Points

    Regular Price: $11.99

    Special Price: $10.19

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  • Float Switch Kits - Digital Aquatics

    13 Reward Points

    Regular Price: $15.99

    Special Price: $13.59

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  • ReefKeeper Switch Adapter Kit - Digital Aquatics

    8 Reward Points

    Regular Price: $9.99

    Special Price: $8.49

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  • Temp Probe (For Elite) - Digital Aquatics

    21 Reward Points

    Regular Price: $24.99

    Special Price: $21.24

    Out of stock

  • Temp Probe (for Lite) - Digital Aquatics

    21 Reward Points

    Regular Price: $24.99

    Special Price: $21.24

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  • ReefKeeper PC1 Expansion Socket (Bus connection for Elite)

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

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  • ReefKeeper Expansion Socket - Digital Aquatics

    42 Reward Points

    Regular Price: $49.99

    Special Price: $42.49

    Out of stock

  • Milwaukee pH Calibration Fluid - Single Use Packet

    Starting at: $0.84

  • Milwaukee Protective Hardshell Case for Refractometer

    19 Reward Points

    Regular Price: $22.99

    Special Price: $19.54

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  • MQ-200 Quantum Separate Sensor with Handheld PAR Meter

    322 Reward Points

    Regular Price: $379.99

    Special Price: $322.99

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  • Milwaukee pH Calibration Fluid - Box of 25 Single Use Packets

    Starting at: $19.54

  • PINPOINT ORP (Redox) 400 Calibration Fluid

    2 Reward Points

    Regular Price: $2.99

    Special Price: $2.54

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  • PINPOINT pH High Precision Calibration Fluid

    Starting at: $0.84

  • PINPOINT Salinity Calibration Fluid

    6 Reward Points

    Regular Price: $7.99

    Special Price: $6.79

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  • PINPOINT Probe Storage Fluid

    8 Reward Points

    Regular Price: $9.99

    Special Price: $8.49

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  • ORP-200 Waterproof ORP Meter - HM Digital

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

    Out of stock

  • Milwaukee MA957 CO2 Regulator

    84 Reward Points

    Regular Price: $99.99

    Special Price: $84.99

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  • Vertex Sensor-Mag XD Probe Holder

    27 Reward Points

    Regular Price: $31.99

    Special Price: $27.19

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  • Vertex Sensor-Mount

    10 Reward Points

    Regular Price: $11.99

    Special Price: $10.19

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  • Vertex Titanium Grounding Pole

    12 Reward Points

    Regular Price: $14.99

    Special Price: $12.74

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  • Vertex Sensor-Mag Probe Holder

    25 Reward Points

    Regular Price: $29.99

    Special Price: $25.49

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  • ReefKeeper Float Switch Bracket Kit - Digital Aquatics

    Starting at: $21.24

  • Milwaukee MA955 CO2 Solenoid Valve

    33 Reward Points

    Regular Price: $39.99

    Special Price: $33.99

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  • AI Wireless Module: AWM - Neptune Systems

    112 Reward Points

    Regular Price: $124.99

    Special Price: $112.49

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