My Cart (0 items)

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
  1. 1
  2. /
  3. 2
High / Low
  • Apex Controller Gold System - Neptune Systems

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

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

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

    382 Reward Points

    Regular Price: $449.99

    Special Price: $382.49

    Please wait...
  • MQ-200 Quantum Separate Sensor with Handheld PAR Meter

    322 Reward Points

    Regular Price: $379.99

    Special Price: $322.99

    Please wait...
  • ReefKeeper Elite Plus - Digital Aquatics

    297 Reward Points

    Regular Price: $349.99

    Special Price: $297.49

    Out of stock

  • Apex Jr Controller - Neptune Systems

    239 Reward Points
    $239.99
    Please wait...
  • ReefKeeper Lite Plus - Digital Aquatics

    237 Reward Points

    Regular Price: $279.99

    Special Price: $237.99

    Please wait...
  • Milwaukee SMS125 pH/ORP Controller Combo

    182 Reward Points

    Regular Price: $214.99

    Special Price: $182.74

    Please wait...
  • PINPOINT pH Controller

    169 Reward Points

    Regular Price: $199.99

    Special Price: $169.99

    Please wait...
  • PINPOINT ORP Controller

    169 Reward Points

    Regular Price: $199.99

    Special Price: $169.99

    Please wait...
  • Energy Bar 8 - Neptune Systems

    159 Reward Points
    $159.99
    Please wait...
  • VorTech Wireless Module: WXM - Neptune Systems

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

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

    124 Reward Points
    $124.99
    Please wait...
  • Energy Bar 4 - Neptune Systems

    119 Reward Points
    $119.99
    Please wait...
  • ReefKeeper APC Advanced Pump Controller - Digital Aquatics

    110 Reward Points

    Regular Price: $129.99

    Special Price: $110.49

    Please wait...
  • Milwaukee MC510 ORP Controller

    110 Reward Points

    Regular Price: $129.99

    Special Price: $110.49

    Please wait...
  • ReefKeeper Lite Basic - Digital Aquatics

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

    Please wait...
  • Milwaukee MC122 pH Controller

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

    Please wait...
  • PINPOINT ORP Monitor

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

    Please wait...
  • PINPOINT Salinity Monitor

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

    Please wait...
  • ReefKeeper NET Internet Module - Digital Aquatics

    101 Reward Points

    Regular Price: $119.99

    Special Price: $101.99

    Please wait...
  • LED & Pumps Control Module: VDM - Neptune Systems

    99 Reward Points
    $99.99
    Please wait...
  • ReefLink Wireless Controller - EcoTech Marine

    99 Reward Points
    $99.00
    Please wait...
  • Milwaukee MW500 ORP Monitor

    93 Reward Points

    Regular Price: $109.99

    Special Price: $93.49

    Please wait...
  • PINPOINT pH Monitor

    84 Reward Points

    Regular Price: $99.99

    Special Price: $84.99

    Please wait...
  • Milwaukee MA957 CO2 Regulator

    84 Reward Points

    Regular Price: $99.99

    Special Price: $84.99

    Please wait...
  • Salinity Module: PM2 - Neptune Systems

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

    84 Reward Points
    $84.99
    Please wait...
  • Milwaukee Digital Seawater Refractometer

    83 Reward Points

    Regular Price: $119.99

    Special Price: $83.99

    Please wait...
  • Milwaukee MC120 pH Monitor

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

    Please wait...
  • ReefKeeper PC4 Power Bar Module - Digital Aquatics

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

    Please wait...
  • ORP-200 Waterproof ORP Meter - HM Digital

    76 Reward Points

    Regular Price: $89.99

    Special Price: $76.49

    Out of stock

  • Advanced Leak Detection Module: ALD - Neptune Systems

    74 Reward Points
    $74.99
    Please wait...
  • ORP Probe - Neptune Systems

    Starting at: $69.99

  • ReefKeeper AP1 Advanced Probe 1 - Digital Aquatics

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

    Please wait...
  • Milwaukee MW101 pH Meter w/Battery

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

    Please wait...
  • PH-200 Waterproof pH Meter - HM Digital

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

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

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

    Please wait...
  • PINPOINT ORP Replacement Probe

    63 Reward Points

    Regular Price: $74.99

    Special Price: $63.74

    Please wait...
  • ReefKeeper RD1 Remote Display 1 - Digital Aquatics

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

    Please wait...
  • ReefKeeper SL1 pH and ORP Module - Digital Aquatics

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

    Please wait...
  • Digital Aquatics ReefKeeper MLC Lunar Light Module

    Starting at: $59.49

  • ReefKeeper PC1 Expansion Socket (Bus connection for Elite)

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

    Please wait...
  • BRS Lab Grade ORP Probe

    48 Reward Points

    Regular Price: $69.99

    Special Price: $48.99

    Please wait...
  • pH Probe - Neptune Systems

    Starting at: $44.99

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

    42 Reward Points

    Regular Price: $49.99

    Special Price: $42.49

    Please wait...
  • ReefKeeper Expansion Socket - Digital Aquatics

    42 Reward Points

    Regular Price: $49.99

    Special Price: $42.49

    Out of stock

  • BRS Lab Grade pH Probe

    41 Reward Points

    Regular Price: $59.99

    Special Price: $41.99

    Please wait...
  • Total Chlorine Colorimeter HI711 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Free Chlorine Colorimeter HI701 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Bromine Colorimeter HI716 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Total Chlorine Ultra High Range Colorimeter HI771 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker HC - Marine Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Chromium VI Low Range Colorimeter HI749 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Please wait...
  • Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker HC - Marine Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

    Out of stock

32 / 64
  1. 1
  2. /
  3. 2
High / Low