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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
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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

    Out of stock

  • 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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  • Advanced Leak Detection Module: ALD - Neptune Systems

    74 Reward Points
    $74.99
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  • Milwaukee MW101 pH Meter w/Battery

    71 Reward Points

    Regular Price: $79.99

    Special Price: $71.99

    Out of stock

  • PH-200 Waterproof pH Meter - HM Digital

    71 Reward Points

    Regular Price: $79.99

    Special Price: $71.99

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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
    Please wait...
  • 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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  • PINPOINT ORP Replacement Probe

    67 Reward Points

    Regular Price: $74.99

    Special Price: $67.49

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  • BRS Lab Grade ORP Probe

    62 Reward Points

    Regular Price: $69.99

    Special Price: $62.99

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  • BRS Lab Grade pH Probe

    53 Reward Points

    Regular Price: $59.99

    Special Price: $53.99

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  • ReefKeeper Expansion Socket - Digital Aquatics

    49 Reward Points
    $49.99
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  • Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg)

    44 Reward Points

    Regular Price: $49.99

    Special Price: $44.99

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  • Red Sea Algae Control Multi Test Kit (NO3/PO4)

    44 Reward Points

    Regular Price: $49.99

    Special Price: $44.99

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  • pH Probe - Neptune Systems

    Starting at: $44.99

  • Phosphate Low Range Colorimeter HI713 Hanna Checker HC - Fresh & Marine Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Calcium Colorimeter HI758 Hanna Checker HC - Marine Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Alkalinity Colorimeter HI755 Hanna Checker HC - Marine Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Total Chlorine Colorimeter HI711 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Nitrite Low Range Colorimeter HI707 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Phosphorus High Range Colorimeter HI706 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Silica Low Range Colorimeter HI705 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Free Chlorine Colorimeter HI701 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Nitrite High Range Colorimeter HI708 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

    Please wait...
  • Ammonia Medium Range Colorimeter HI715 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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  • Bromine Colorimeter HI716 Hanna Checker HC - Fresh Water

    44 Reward Points

    Regular Price: $48.99

    Special Price: $44.09

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