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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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  • pH Probe - Neptune Systems

    Starting at: $44.99

  • ReefKeeper Expansion Socket - Digital Aquatics

    49 Reward Points
    $49.99
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  • BRS Lab Grade pH Probe

    53 Reward Points

    Regular Price: $59.99

    Special Price: $53.99

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  • BRS Lab Grade ORP Probe

    62 Reward Points

    Regular Price: $69.99

    Special Price: $62.99

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  • PINPOINT ORP Replacement Probe

    67 Reward Points

    Regular Price: $74.99

    Special Price: $67.49

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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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  • Milwaukee MW101 pH Meter w/Battery

    71 Reward Points

    Regular Price: $79.99

    Special Price: $71.99

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  • PH-200 Waterproof pH Meter - HM Digital

    71 Reward Points

    Regular Price: $79.99

    Special Price: $71.99

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  • Advanced Leak Detection Module: ALD - Neptune Systems

    74 Reward Points
    $74.99
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  • ReefKeeper AP1 Advanced Probe 1 - Digital Aquatics

    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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  • Milwaukee MC120 pH Monitor

    80 Reward Points

    Regular Price: $89.99

    Special Price: $80.99

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  • ORP-200 Waterproof ORP Meter - HM Digital

    80 Reward Points

    Regular Price: $89.99

    Special Price: $80.99

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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
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  • PINPOINT pH Monitor

    89 Reward Points

    Regular Price: $99.99

    Special Price: $89.99

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  • ReefKeeper PC4 Power Bar Module - Digital Aquatics

    89 Reward Points
    $89.99
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  • Milwaukee MA957 CO2 Regulator

    89 Reward Points

    Regular Price: $99.99

    Special Price: $89.99

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  • Milwaukee MW500 ORP Monitor

    98 Reward Points

    Regular Price: $109.99

    Special Price: $98.99

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  • LED & Pumps Control Module: VDM - Neptune Systems

    99 Reward Points
    $99.99
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  • Milwaukee MC122 pH Controller

    107 Reward Points

    Regular Price: $119.99

    Special Price: $107.99

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  • Milwaukee Digital Seawater Refractometer

    107 Reward Points

    Regular Price: $119.99

    Special Price: $107.99

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  • PINPOINT ORP Monitor

    107 Reward Points

    Regular Price: $119.99

    Special Price: $107.99

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  • PINPOINT Salinity Monitor

    107 Reward Points

    Regular Price: $119.99

    Special Price: $107.99

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  • Milwaukee MC510 ORP Controller

    116 Reward Points

    Regular Price: $129.99

    Special Price: $116.99

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  • ReefKeeper Lite Basic - Digital Aquatics

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

    119 Reward Points
    $119.99
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  • ReefKeeper NET Internet Module - Digital Aquatics

    119 Reward Points
    $119.99
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