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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Free Chlorine Colorimeter HI701 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Bromine Colorimeter HI716 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • 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

  • Ammonia High Range Colorimeter HI733 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Color of Water Colorimeter HI727 Hanna Checker HC - Fresh & Marine Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Iodine Colorimeter HI718 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Iron Colorimeter HI721 Hanna Checker HC - Fresh water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Phosphate High Range Colorimeter HI717 Hanna Checker HC - Fresh & Marine Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • Ammonia Low Range Colorimeter HI700 Hanna Checker HC - Fresh Water

    41 Reward Points

    Regular Price: $48.99

    Special Price: $41.64

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  • VorTech Wireless Module: WXM - Neptune Systems

    112 Reward Points

    Regular Price: $124.99

    Special Price: $112.49

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  • Salinity Module: PM2 - Neptune Systems

    76 Reward Points

    Regular Price: $84.99

    Special Price: $76.49

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  • pH/ORP Probe Module: PM1 - Neptune Systems

    76 Reward Points

    Regular Price: $84.99

    Special Price: $76.49

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  • LED & Pumps Control Module: VDM - Neptune Systems

    89 Reward Points

    Regular Price: $99.99

    Special Price: $89.99

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  • Energy Bar 4 - Neptune Systems

    107 Reward Points

    Regular Price: $119.99

    Special Price: $107.99

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  • Neptune Systems I/O Breakout Box

    35 Reward Points

    Regular Price: $39.99

    Special Price: $35.99

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  • Advanced Leak Detection Module: ALD - Neptune Systems

    67 Reward Points

    Regular Price: $74.99

    Special Price: $67.49

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  • ReefKeeper RD1 Remote Display 1 - Digital Aquatics

    59 Reward Points

    Regular Price: $69.99

    Special Price: $59.49

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  • ReefKeeper APC Advanced Pump Controller - Digital Aquatics

    110 Reward Points

    Regular Price: $129.99

    Special Price: $110.49

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  • ReefKeeper AP1 Advanced Probe 1 - Digital Aquatics

    67 Reward Points

    Regular Price: $79.99

    Special Price: $67.99

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  • Energy Bar 8 - Neptune Systems

    143 Reward Points

    Regular Price: $159.99

    Special Price: $143.99

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  • ORP Probe - Neptune Systems

    Starting at: $62.99

  • pH Probe - Neptune Systems

    Starting at: $40.49

  • Solid Surface Advanced Leak Detection Probe - Neptune Systems

    26 Reward Points

    Regular Price: $29.99

    Special Price: $26.99

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