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Monitors & Controllers

Neptune Systems
Neptune Systems
Digital Aquatics ReefKeeper
Digital Aquatics ReefKeeper
Pinpoint
Pinpoint
Milwaukee
Milwaukee
Timers
Timers
Probes & Accessories
Probes & Accessories
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  • Apex Controller Gold System - Neptune Systems

    799 Reward Points
    $799.99
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  • Apex Controller with Lab-Grade pH Probe - Neptune Systems

    549 Reward Points
    $549.99
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  • Apex Controller with Standard pH Probe - Neptune Systems

    524 Reward Points
    $524.99
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  • ReefKeeper Elite w/ Net - Digital Aquatics

    449 Reward Points
    $449.99
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  • ReefKeeper Elite Titanium w/ Net - Digital Aquatics

    399 Reward Points
    $399.99
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  • MQ-200 Quantum Separate Sensor with Handheld Meter

    379 Reward Points
    $379.99

    Out of stock

  • ReefKeeper Elite Plus - Digital Aquatics

    349 Reward Points
    $349.99
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  • ReefKeeper Elite Titanium Plus - Digital Aquatics

    299 Reward Points
    $299.99

    Out of stock

  • ReefKeeper Lite Plus - Digital Aquatics

    279 Reward Points
    $279.99
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  • Apex Jr Controller - Neptune Systems

    239 Reward Points
    $239.99
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  • Milwaukee SMS125 pH/ORP Controller Combo

    214 Reward Points
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  • PINPOINT pH Controller

    199 Reward Points
    $199.99

    Out of stock

  • PINPOINT ORP Controller

    199 Reward Points
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  • Energy Bar 8 - Neptune Systems

    159 Reward Points
    $159.99
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  • ReefKeeper APC Advanced Pump Controller - Digital Aquatics

    129 Reward Points
    $129.99
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  • Milwaukee MC510 ORP Controller

    129 Reward Points
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  • VorTech Wireless Module: WXM - Neptune Systems

    124 Reward Points
    $124.99
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  • Lab Grade Conductivity/Salinity Probe - Neptune Systems

    124 Reward Points
    $124.99
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  • AI Wireless Module: AWM - Neptune Systems

    124 Reward Points
    $124.99
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  • ReefKeeper Lite Basic - Digital Aquatics

    119 Reward Points
    $119.99
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  • Milwaukee MC122 pH Controller

    119 Reward Points
    $119.99
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  • Energy Bar 4 - Neptune Systems

    119 Reward Points
    $119.99
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  • Milwaukee Digital Seawater Refractometer

    119 Reward Points
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  • PINPOINT ORP Monitor

    119 Reward Points
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  • PINPOINT Salinity Monitor

    119 Reward Points
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  • ReefKeeper NET Internet Module - Digital Aquatics

    119 Reward Points
    $119.99
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  • Milwaukee MW500 ORP Monitor

    109 Reward Points
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  • LED & Pumps Control Module: VDM - Neptune Systems

    99 Reward Points
    $99.99
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  • PINPOINT pH Monitor

    99 Reward Points
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  • Milwaukee MA957 CO2 Regulator

    99 Reward Points
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  • Milwaukee MC120 pH Monitor

    89 Reward Points
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  • ReefKeeper PC4 Power Bar Module - Digital Aquatics

    89 Reward Points
    $89.99
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  • ORP-200 Waterproof ORP Meter - HM Digital

    89 Reward Points
    $89.99
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  • Salinity Module: PM2 - Neptune Systems

    84 Reward Points
    $84.99
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  • pH/ORP Probe Module: PM1 - Neptune Systems

    84 Reward Points
    $84.99
    Please wait...
  • ReefKeeper AP1 Advanced Probe 1 - Digital Aquatics

    79 Reward Points
    $79.99
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  • Milwaukee MW101 pH Meter w/Battery

    79 Reward Points
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  • PH-200 Waterproof pH Meter - HM Digital

    79 Reward Points
    $79.99
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  • ReefKeeper ALC Dimmable T5 & Aqua Illumination Sol LED Controller - Digital Aquatics

    79 Reward Points
    $79.99
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  • Advanced Leak Detection Module: ALD - Neptune Systems

    74 Reward Points
    $74.99
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  • PINPOINT ORP Replacement Probe

    74 Reward Points
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  • BRS Lab Grade ORP Probe

    69 Reward Points
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  • ReefKeeper RD1 Remote Display 1 - Digital Aquatics

    69 Reward Points
    $69.99
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  • ORP Probe - Neptune Systems

    Starting at: $69.99

  • ReefKeeper SL1 pH and ORP Module - Digital Aquatics

    69 Reward Points
    $69.99
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  • Digital Aquatics ReefKeeper MLC Lunar Light Module

    Starting at: $69.99

  • ReefKeeper PC1 Expansion Socket (Bus connection for Elite)

    69 Reward Points
    $69.99
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  • BRS Lab Grade pH Probe

    59 Reward Points
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  • ReefKeeper Expansion Socket - Digital Aquatics

    49 Reward Points
    $49.99
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  • pH Probe - Neptune Systems

    Starting at: $44.99

  • PINPOINT pH Replacement Probe

    44 Reward Points
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  • Neptune Systems I/O Breakout Box

    39 Reward Points
    $39.99
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  • Milwaukee MA955 CO2 Solenoid Valve

    39 Reward Points
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  • ReefKeeper HUB Bus Hub - Digital Aquatics

    37 Reward Points
    $37.99
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  • Vertex Sensor-Mag XD Probe Holder

    31 Reward Points
    $31.99

    Out of stock

  • Solid Surface Advanced Leak Detection Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • Low-Profile Advanced Leak Detection Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • Lunar Simulator Module: LSM & Lunar LED String - Neptune Systems

    Starting at: $29.99

  • Temperature Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • Vertex Sensor-Mag Probe Holder

    29 Reward Points
    $29.99

    Out of stock

  • Milwaukee pH600 pH Meter Pen

    24 Reward Points
    Please wait...
  • Temp Probe (For Elite) - Digital Aquatics

    24 Reward Points
    $24.99
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  • Temp Probe (for Lite) - Digital Aquatics

    24 Reward Points
    $24.99
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  • ReefKeeper Float Switch Bracket Kit - Digital Aquatics

    Starting at: $24.99

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