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Controllers & Testing

Test Kits
Test Kits
Controllers & Monitors
Controllers & Monitors
Hydrometers & Refractometers
Hydrometers & Refractometers
Hanna Checker Colorimeters
Hanna Checker Colorimeters
Timers & Thermometers
Timers & Thermometers
Probes & Accessories
Probes & Accessories
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  • Elos Nitrite Aqua Test Kit

    24 Reward Points
    $24.99
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  • Elos Nitrate Aqua Test Kit

    27 Reward Points
    $27.99
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  • Elos Ammonia Aqua Test Kit

    29 Reward Points
    $29.99
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  • Elos Phosphate Aqua Test Kit

    27 Reward Points
    $27.99
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  • Elos pH Marine Aqua Test Kit

    17 Reward Points
    $17.99
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  • Elos KH (Alkalinity) Aqua Test Kit

    17 Reward Points
    $17.99
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  • Elos Calcium Aqua Test Kit

    29 Reward Points
    $29.99
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  • Nitrite Low Range Colorimeter HI707 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Phosphorus High Range Colorimeter HI706 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Silica Low Range Colorimeter HI705 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Free Chlorine Colorimeter HI701 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Nitrite High Range Colorimeter HI708 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Ammonia Medium Range Colorimeter HI715 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Bromine Colorimeter HI716 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Total Chlorine Ultra High Range Colorimeter HI771 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker HC - Marine Water

    48 Reward Points
    $48.99
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  • Chromium VI Low Range Colorimeter HI749 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker HC - Marine Water

    48 Reward Points
    $48.99
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  • Ammonia High Range Colorimeter HI733 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Color of Water Colorimeter HI727 Hanna Checker HC - Fresh & Marine Water

    48 Reward Points
    $48.99
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  • Iodine Colorimeter HI718 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Iron Colorimeter HI721 Hanna Checker HC - Fresh water

    48 Reward Points
    $48.99
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  • Phosphate High Range Colorimeter HI717 Hanna Checker HC - Fresh & Marine Water

    48 Reward Points
    $48.99
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  • Ammonia Low Range Colorimeter HI700 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • VorTech Wireless Module: WXM - Neptune Systems

    124 Reward Points
    $124.99
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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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  • LED & Pumps Control Module: VDM - Neptune Systems

    99 Reward Points
    $99.99
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  • Energy Bar 4 - Neptune Systems

    119 Reward Points
    $119.99
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  • Neptune Systems I/O Breakout Box

    39 Reward Points
    $39.99
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