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Digital Aquarium Meters & Controllers

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1,015 results

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  • Analog/Digital: Digital- Selected

    • Digital Aquatics Reefkeeper Tm4 Module. Temperature Module 4 - Image 1 of 2
    • Digital Aquatics Reefkeeper Tm4 Module. Temperature Module 4 - Image 2 of 2

    Digital Aquatics Reefkeeper Tm4 Module. Temperature Module 4

    Brand New · Digital Aquatics
    C $82.68
    or Best Offer
    S⁣3⁣p⁣о⁣3⁣n⁣ ⁣A⁣s⁣o⁣r⁣R⁣e⁣ ⁣d⁣A⁣⁣O⁣⁣ ⁣⁣⁣F⁣U⁣⁣ ⁣4⁣⁣
    • VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately - Image 1 of 4
    • VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately - Image 2 of 4
    • VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately - Image 3 of 4
    • VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately - Image 4 of 4

    VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately

    Pre-Owned
    C $175.00
    or Best Offer
    U⁣U⁣S⁣ ⁣Y⁣р⁣R⁣o⁣n⁣ ⁣s⁣o⁣9⁣X⁣r⁣ ⁣R⁣e⁣D⁣ ⁣L⁣d⁣E⁣⁣⁣⁣⁣ ⁣
    • Aquarium pH Salinity Continuous Monitor Digital Salinty Meter for Saltwater - Image 1 of 4
    • Aquarium pH Salinity Continuous Monitor Digital Salinty Meter for Saltwater - Image 2 of 4
    • Aquarium pH Salinity Continuous Monitor Digital Salinty Meter for Saltwater - Image 3 of 4
    • Aquarium pH Salinity Continuous Monitor Digital Salinty Meter for Saltwater - Image 4 of 4

    Aquarium pH Salinity Continuous Monitor Digital Salinty Meter for Saltwater

    Brand New
    C $121.28
    Was: C $137.82was - C $137.82
    S⁣E⁣р⁣U⁣o⁣ ⁣1⁣9⁣n⁣s⁣o⁣ ⁣r⁣G⁣e⁣d⁣⁣⁣H⁣⁣⁣ ⁣9⁣F⁣⁣ ⁣O⁣H⁣
    • Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal - Image 1 of 4
    • Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal - Image 2 of 4
    • Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal - Image 3 of 4
    • Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal - Image 4 of 4

    Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal

    Brand New
    C $87.85
    Was: C $103.35was - C $103.35
    or Best Offer
    27 watching
    P⁣S⁣p⁣o⁣n⁣ѕ⁣1⁣ ⁣0⁣o⁣9⁣r⁣ ⁣e⁣R⁣d⁣⁣⁣⁣⁣⁣N⁣⁣ ⁣P⁣B⁣ ⁣Y⁣
  • Hose Thermometer Water Change Temperature Gauge Fish Aquarium Works W/ PYTHON - Image 1 of 4

    New ListingHose Thermometer Water Change Temperature Gauge Fish Aquarium Works W/ PYTHON

    Brand New
    C $40.95
    C $16.01 shipping
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  • Aquarium Digital Thermometer Fish Tank Salt Water Terrarium - Image 1 of 1

    Aquarium Digital Thermometer Fish Tank Salt Water Terrarium

    Brand New
    C $8.67 to C $23.42
    C $15.06 shipping
    1,432 sold
    5⁣⁣⁣⁣⁣⁣O⁣ ⁣⁣K⁣⁣⁣5⁣⁣ ⁣⁣⁣⁣⁣N⁣⁣⁣⁣B⁣ ⁣⁣S⁣V⁣
  • Neptune Systems A3 Apex System - Image 1 of 2

    Neptune Systems A3 Apex System

    Brand New · Neptune Systems
    C $868.25
    C $54.01 shipping
    6 watching
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  • AQUANEAT 2 Pack Aquarium Thermometer Digital Reptile Fish Tank Water Temperature - Image 1 of 4

    AQUANEAT 2 Pack Aquarium Thermometer Digital Reptile Fish Tank Water Temperature

    Brand New
    C $12.39
    C $15.17 shipping
    378 sold
    ⁣S⁣O⁣ ⁣⁣⁣⁣6⁣E⁣ ⁣B⁣⁣⁣D⁣⁣ ⁣K⁣3⁣ ⁣⁣⁣N⁣⁣S⁣⁣⁣⁣ ⁣
  • Neptune Systems - DOS Dosing and Fluid Metering System (PRE-OWNED) - Image 1 of 3

    Neptune Systems - DOS Dosing and Fluid Metering System (PRE-OWNED)

    Pre-Owned · Neptune Systems
    C $289.42
    or Best Offer
    C $37.94 shipping
    3 watching
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  • White AQUARIUM TEMPERATURE GAUGE LCD DIGITAL THERMOMETER FOR FISH TANK - Image 1 of 4

    White AQUARIUM TEMPERATURE GAUGE LCD DIGITAL THERMOMETER FOR FISH TANK

    Brand New · Unbranded
    C $2.14
    or Best Offer
    C $4.73 shipping
    ⁣⁣⁣L⁣⁣⁣⁣⁣⁣⁣G⁣ ⁣⁣1⁣4⁣⁣ ⁣⁣⁣⁣⁣⁣⁣4⁣⁣P⁣⁣⁣
  • Neptune Systems DOS Dosing & Fluid Metering System – Used (Good Condition) - Image 1 of 2

    New ListingNeptune Systems DOS Dosing & Fluid Metering System – Used (Good Condition)

    Pre-Owned · Neptune Systems
    (1)
    C $220.51
    C $37.11 shipping
    ⁣⁣O⁣⁣⁣Q⁣ ⁣⁣3⁣⁣8⁣⁣ ⁣⁣⁣8⁣⁣K⁣ ⁣9⁣U⁣⁣ ⁣6⁣⁣0⁣⁣⁣
  • 2/4pc Aquarium Digital Thermometer LED Fish Tank Temperature Gauge Touch Screen - Image 1 of 4

    2/4pc Aquarium Digital Thermometer LED Fish Tank Temperature Gauge Touch Screen

    Brand New · Unbranded
    C $15.01 to C $24.66
    C $15.53 shipping
    6 sold
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  • Coralvue HYDROS Control X10 Controller & Dosing System New NIB OPEN BOX - Image 1 of 3

    Coralvue HYDROS Control X10 Controller & Dosing System New NIB OPEN BOX

    Brand New
    C $999.20
    or Best Offer
    C $34.03 shipping
    26 watching
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  • Neptune Apex Breakout Box DC Jacks w/ 6 cable leads included Hidden Mounting - Image 1 of 4

    Neptune Apex Breakout Box DC Jacks w/ 6 cable leads included Hidden Mounting

    Brand New
    C $42.16
    Was: C $49.60was - C $49.60
    or Best Offer
    74 sold
    S⁣8⁣6⁣ ⁣p⁣о⁣2⁣n⁣0⁣ ⁣s⁣o⁣H⁣r⁣e⁣d⁣⁣⁣C⁣⁣ ⁣⁣F⁣⁣S⁣⁣ ⁣⁣
  • Customizable Apex Neptune Breakout Box 4 switches 2 push release connectors - Image 1 of 4

    Customizable Apex Neptune Breakout Box 4 switches 2 push release connectors

    Brand New
    C $46.85
    Was: C $55.11was - C $55.11
    or Best Offer
    Q⁣P⁣ ⁣P⁣E⁣Ѕ⁣ ⁣p⁣o⁣n⁣1⁣s⁣Q⁣o⁣r⁣e⁣ ⁣N⁣K⁣ ⁣d⁣⁣T⁣⁣G⁣ ⁣⁣D⁣
  • Customizable Breakout Box 6x Lighted Toggle Apex Neptune - Image 1 of 4

    Customizable Breakout Box 6x Lighted Toggle Apex Neptune

    Brand New
    C $134.71
    Was: C $158.48was - C $158.48
    or Best Offer
    C $24.34 shipping
    22 watching
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  • (HI784) Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instrume - Image 1 of 2

    (HI784) Marine Ammonia Checker Handheld Colorimeter (Saltwater) - Hanna Instrume

    Brand New
    (1)
    C $93.70
    C $22.66 shipping
    23 watching
    ⁣B⁣⁣⁣⁣⁣H⁣⁣ ⁣⁣H⁣⁣⁣2⁣ ⁣⁣I⁣G⁣⁣⁣ ⁣⁣⁣S⁣⁣Z⁣ ⁣T⁣
  • Customizable Apex Neptune Breakout Box 6 switches Many Colors Available - Image 1 of 4

    Customizable Apex Neptune Breakout Box 6 switches Many Colors Available

    Brand New
    C $46.85
    Was: C $55.11was - C $55.11
    or Best Offer
    ⁣5⁣⁣8⁣ ⁣X⁣⁣⁣S⁣⁣ ⁣⁣⁣⁣⁣K⁣X⁣ ⁣G⁣F⁣⁣⁣ ⁣⁣⁣⁣7⁣⁣
  • AQUANEAT Aquarium Thermometer Digital Fish Tank Temperature 6 PCS - Image 1 of 4

    AQUANEAT Aquarium Thermometer Digital Fish Tank Temperature 6 PCS

    Brand New
    C $24.66
    C $15.53 shipping
    3,839 sold
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  • NEW Hanna Instruments Handheld Colorimeter Checker HC Marine Ammonia HI784 - Image 1 of 4

    NEW Hanna Instruments Handheld Colorimeter Checker HC Marine Ammonia HI784

    Brand New
    (1)
    C $89.57
    C $22.55 shipping
    Q⁣⁣4⁣ ⁣E⁣6⁣ ⁣E⁣⁣N⁣⁣⁣⁣ ⁣⁣⁣⁣⁣B⁣D⁣ ⁣⁣C⁣3⁣⁣ ⁣⁣⁣
  • Milwaukee MC122 pH Controller w/probe - Image 1 of 1

    Milwaukee MC122 pH Controller w/probe

    Brand New · Milwaukee
    (18)
    C $240.36
    C $36.36 shipping
    3 watching
    M⁣⁣Z⁣ ⁣A⁣V⁣ ⁣⁣⁣⁣⁣V⁣Z⁣⁣ ⁣R⁣B⁣⁣⁣⁣⁣ ⁣M⁣V⁣ ⁣⁣⁣⁣
  • Digital LCD Thermometer for Fridge/Freezer/Aquarium/FISH TANK Temperature - Image 1 of 4

    Digital LCD Thermometer for Fridge/Freezer/Aquarium/FISH TANK Temperature

    Brand New · Unbranded
    C $2.63 to C $2.95
    Was: C $3.10was - C $3.10
    C $4.82 shipping
    80 sold
    ⁣F⁣⁣4⁣⁣⁣⁣ ⁣H⁣⁣⁣J⁣ ⁣I⁣⁣⁣G⁣⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣Y⁣
  • AQUANEAT Aquarium Thermometer Digital Fish Tank Temperature 3PCS - Image 1 of 4

    AQUANEAT Aquarium Thermometer Digital Fish Tank Temperature 3PCS

    Brand New
    C $16.25
    C $15.28 shipping
    928 sold
    6⁣F⁣ ⁣⁣⁣9⁣⁣⁣V⁣⁣⁣ ⁣⁣⁣⁣0⁣6⁣ ⁣⁣⁣Q⁣S⁣⁣ ⁣1⁣W⁣⁣ ⁣
  • Digital Salinity&PH Meter Salinity&PH Monitor Tester for Aquarium Free Shipping - Image 1 of 4

    Digital Salinity&PH Meter Salinity&PH Monitor Tester for Aquarium Free Shipping

    Brand New · Unbranded
    C $105.18
    or Best Offer
    C $6.89 shipping
    ⁣⁣⁣T⁣⁣M⁣ ⁣⁣⁣W⁣⁣⁣J⁣⁣ ⁣⁣⁣L⁣⁣6⁣ ⁣⁣F⁣⁣⁣⁣⁣⁣
  • AMERICAN MARINE PINPOINT ORP MONITOR INCLUDES PROBE & CALIBRATION FLUIDS - Image 1 of 1

    AMERICAN MARINE PINPOINT ORP MONITOR INCLUDES PROBE & CALIBRATION FLUIDS

    BRAND NEW IN BOX - WARRANTY INCLUDED - FAST SHIPPING!
    Brand New
    (2)
    C $158.47
    C $24.57 shipping
    Only 1 left!
    ⁣0⁣L⁣ ⁣V⁣⁣⁣⁣C⁣⁣ ⁣5⁣9⁣ ⁣1⁣⁣⁣0⁣ ⁣3⁣W⁣⁣⁣⁣ ⁣⁣F⁣A⁣
  • Customizable Apex Neptune Breakout Box 2x Toggle Switches Push Terminal - Image 1 of 4

    Customizable Apex Neptune Breakout Box 2x Toggle Switches Push Terminal

    Brand New
    C $81.99
    Was: C $96.46was - C $96.46
    or Best Offer
    3⁣T⁣⁣ ⁣H⁣F⁣ ⁣7⁣G⁣ ⁣Z⁣G⁣⁣⁣ ⁣P⁣M⁣ ⁣⁣⁣V⁣⁣ ⁣⁣⁣⁣⁣⁣
  • Neptune Systems Apex Classic Aquarium Controller EB8 PM1 Temp Probes - Image 1 of 4

    Neptune Systems Apex Classic Aquarium Controller EB8 PM1 Temp Probes

    Pre-Owned · Neptune Systems
    C $246.70
    or Best Offer
    T⁣⁣J⁣ ⁣⁣⁣M⁣⁣S⁣⁣ ⁣V⁣⁣⁣K⁣ ⁣⁣⁣N⁣⁣D⁣ ⁣8⁣5⁣⁣⁣⁣⁣
  • Reptile Thermometer Large LCD Display Digital Fish Tank Thermometer Waterproof - Image 1 of 4

    New ListingReptile Thermometer Large LCD Display Digital Fish Tank Thermometer Waterproof

    Brand New · Unbranded
    C $16.44
    or Best Offer
    C $1.80 shipping
    B⁣O⁣ ⁣⁣⁣J⁣Y⁣ ⁣⁣⁣S⁣⁣⁣R⁣ ⁣5⁣P⁣ ⁣8⁣⁣O⁣ ⁣⁣C⁣⁣⁣⁣ ⁣
  • American Marine Pinpoint ORP/REDOX Monitor - Image 1 of 3

    American Marine Pinpoint ORP/REDOX Monitor

    Pre-Owned
    C $68.91
    6⁣S⁣Z⁣p⁣ ⁣1⁣o⁣X⁣ ⁣I⁣n⁣s⁣о⁣S⁣r⁣e⁣ ⁣d⁣⁣⁣0⁣P⁣⁣ ⁣7⁣⁣⁣C⁣
  • Customizable Breakout Box 4x Lighted Toggle 2x Push Button for Apex Neptune - Image 1 of 4

    Customizable Breakout Box 4x Lighted Toggle 2x Push Button for Apex Neptune

    Brand New
    C $111.28
    Was: C $130.92was - C $130.92
    or Best Offer
    10 watching
    S⁣p⁣о⁣6⁣F⁣ ⁣I⁣B⁣n⁣s⁣ ⁣0⁣o⁣r⁣e⁣d⁣P⁣⁣⁣ ⁣⁣⁣Z⁣P⁣ ⁣⁣R⁣4⁣
  • pinpoint ORP/REDOX Monitor American Marine inc. - Image 1 of 2

    pinpoint ORP/REDOX Monitor American Marine inc.

    Brand New
    C $151.60
    0⁣L⁣S⁣ ⁣H⁣p⁣o⁣n⁣s⁣U⁣ ⁣о⁣r⁣e⁣d⁣Q⁣⁣9⁣⁣ ⁣F⁣⁣D⁣ ⁣⁣⁣⁣B⁣
  • 2 in1 Digital Salinity & PH Meter Salinity&PH Monitor for Aquarium - Image 1 of 4

    2 in1 Digital Salinity & PH Meter Salinity&PH Monitor for Aquarium

    Brand New · Unbranded
    C $109.76
    C $6.89 shipping
    Only 2 left
    D⁣S⁣p⁣B⁣o⁣n⁣ѕ⁣ ⁣D⁣4⁣ ⁣X⁣o⁣T⁣ ⁣3⁣C⁣ ⁣S⁣V⁣ ⁣E⁣r⁣e⁣⁣d⁣⁣ ⁣
  • Neptune Apex Breakout Box Push Terminals Slim Design Hidden Mounting Bracket - Image 1 of 4

    Neptune Apex Breakout Box Push Terminals Slim Design Hidden Mounting Bracket

    Brand New
    C $32.79
    Was: C $38.58was - C $38.58
    or Best Offer
    R⁣⁣0⁣⁣ ⁣3⁣Z⁣ ⁣H⁣X⁣⁣⁣⁣⁣ ⁣0⁣⁣⁣⁣⁣3⁣⁣⁣⁣⁣ ⁣I⁣⁣
  • HANNA INSTRUMENTS HI83399-01 MULTIPARAMETER PHOTOMETER WITH COD With Extras Zinc - Image 1 of 4

    HANNA INSTRUMENTS HI83399-01 MULTIPARAMETER PHOTOMETER WITH COD With Extras Zinc

    Pre-Owned
    C $964.73
    4⁣⁣⁣D⁣⁣⁣⁣ ⁣⁣G⁣⁣R⁣ ⁣⁣⁣⁣X⁣0⁣⁣ ⁣9⁣⁣2⁣⁣⁣⁣⁣ ⁣
  • 1~5pcs LCD Digital Thermometer for Fridge/Freezer/Aquarium/FISH TANK Temperature - Image 1 of 4

    1~5pcs LCD Digital Thermometer for Fridge/Freezer/Aquarium/FISH TANK Temperature

    Brand New · Unbranded
    C $2.45 to C $11.40
    Was: C $2.66was - C $2.66
    C $6.20 shipping
    789 sold
    H⁣⁣⁣⁣Z⁣ ⁣⁣1⁣A⁣ ⁣Y⁣4⁣ ⁣1⁣⁣⁣P⁣ ⁣H⁣⁣W⁣⁣⁣⁣ ⁣⁣T⁣⁣
  • Hanna HI755 Marine Alkalinity Checker HC Alk (Saltwater) - Hanna Instruments - Image 1 of 4

    Hanna HI755 Marine Alkalinity Checker HC Alk (Saltwater) - Hanna Instruments

    Brand New
    (2)
    C $93.70
    C $29.53 shipping
    ⁣3⁣V⁣⁣⁣⁣⁣ ⁣⁣9⁣⁣S⁣ ⁣F⁣⁣⁣U⁣⁣ ⁣⁣Z⁣⁣3⁣⁣ ⁣Q⁣S⁣⁣
  • Garden Hose Thermometer Temperature Gauge Water Change Fish Tanks Aquariums F+C - Image 1 of 4

    Garden Hose Thermometer Temperature Gauge Water Change Fish Tanks Aquariums F+C

    It works w/ no spill python water changer fill cleaner
    Brand New
    C $40.95
    C $16.01 shipping
    17 sold
    ⁣R⁣R⁣ ⁣⁣Z⁣K⁣⁣⁣ ⁣S⁣U⁣ ⁣⁣V⁣4⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣F⁣V⁣ ⁣
  • PH Salinity TDS EC Temperature Meter Digital Water Quality 5 in 1 Monitor Tester - Image 1 of 4

    PH Salinity TDS EC Temperature Meter Digital Water Quality 5 in 1 Monitor Tester

    Brand New
    C $49.99
    Free shipping
    ⁣6⁣M⁣⁣⁣ ⁣⁣R⁣2⁣⁣ ⁣2⁣⁣Q⁣⁣⁣ ⁣⁣⁣1⁣I⁣ ⁣⁣⁣X⁣Y⁣ ⁣⁣
  • Seawater Salinity Meter Salt Tester Monitor Aquaculture 0.1-200ppt ATC - Image 1 of 4

    Seawater Salinity Meter Salt Tester Monitor Aquaculture 0.1-200ppt ATC

    Brand New · Unbranded
    C $76.90
    Was: C $85.45was - C $85.45
    or Best Offer
    C $10.87 shipping
    S⁣O⁣p⁣D⁣ ⁣о⁣n⁣s⁣1⁣P⁣ ⁣N⁣o⁣C⁣ ⁣X⁣r⁣e⁣d⁣⁣S⁣⁣⁣ ⁣A⁣4⁣⁣⁣
  • Milwaukee MC122 PRO pH Controller - Image 1 of 4

    Milwaukee MC122 PRO pH Controller

    Brand New · Milwaukee
    (18)
    C $276.54
    C $37.42 shipping
    Only 1 left!
    S⁣p⁣o⁣V⁣K⁣n⁣ ⁣s⁣J⁣o⁣r⁣е⁣G⁣d⁣⁣⁣ ⁣⁣⁣V⁣⁣⁣⁣Y⁣⁣⁣⁣⁣
  • Neptune Apex WAV Pump - Image 1 of 2

    Neptune Apex WAV Pump

    Pre-Owned · Neptune
    C $186.06
    or Best Offer
    C $43.29 shipping
    3 watching
    ⁣⁣⁣⁣2⁣B⁣ ⁣⁣R⁣S⁣⁣⁣⁣ ⁣T⁣S⁣ ⁣D⁣Z⁣ ⁣⁣F⁣V⁣⁣ ⁣⁣⁣⁣
  • NEW IN BOX MILWAUKEE INSTRUMENTS Milwaukee MC122pH Controller Electrode From NY - Image 1 of 2

    NEW IN BOX MILWAUKEE INSTRUMENTS Milwaukee MC122pH Controller Electrode From NY

    Brand New · Milwaukee
    (18)
    C $206.73
    or Best Offer
    V⁣⁣4⁣ ⁣⁣⁣⁣⁣N⁣⁣F⁣⁣ ⁣F⁣W⁣⁣ ⁣⁣T⁣⁣M⁣ ⁣Y⁣⁣C⁣ ⁣⁣⁣
  • Neptune PM2 Module - conductivity, temperature, and 6 digital inputs - Image 1 of 1

    Neptune PM2 Module - conductivity, temperature, and 6 digital inputs

    Brand New · Neptune Systems
    C $130.92
    C $18.67 shipping
    ⁣⁣S⁣⁣⁣3⁣ ⁣N⁣4⁣⁣ ⁣⁣⁣C⁣⁣⁣⁣A⁣ ⁣⁣O⁣⁣⁣P⁣ ⁣⁣Q⁣⁣
  • Fluval T50 Fully Electronic Aquarium Heater 50 watt - Image 1 of 1

    Fluval T50 Fully Electronic Aquarium Heater 50 watt

    Brand New · Fluval
    C $73.03
    C $22.52 shipping
    ⁣⁣⁣Z⁣⁣S⁣ ⁣⁣⁣B⁣⁣8⁣ ⁣X⁣⁣⁣L⁣ ⁣⁣⁣L⁣⁣⁣⁣⁣⁣6⁣ ⁣
  • Neptune Systems Flow Sensor - 1" with unions - Image 1 of 1

    Neptune Systems Flow Sensor - 1" with unions

    Brand New · Neptune Systems
    C $90.95
    C $23.06 shipping
    22 watching
    M⁣⁣E⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣L⁣Q⁣⁣⁣ ⁣8⁣⁣⁣T⁣⁣⁣⁣⁣ ⁣⁣H⁣
  • Milwaukee Instruments PH56 Waterproof pH Temp Tester Meter, Martini - Image 1 of 1

    Milwaukee Instruments PH56 Waterproof pH Temp Tester Meter, Martini

    Brand New
    C $110.26
    or Best Offer
    C $24.60 shipping
    86 sold
    ⁣⁣⁣8⁣⁣J⁣⁣ ⁣⁣U⁣D⁣ ⁣4⁣⁣7⁣⁣⁣⁣⁣⁣ ⁣⁣V⁣⁣3⁣⁣⁣⁣
  • Milwaukee Instruments SMS122 PH Controller w/ PH Smart monitoring system - Image 1 of 3

    Milwaukee Instruments SMS122 PH Controller w/ PH Smart monitoring system

    Pre-Owned
    C $75.80
    or Best Offer
    7 watching
    K⁣⁣9⁣ ⁣L⁣⁣K⁣ ⁣⁣⁣⁣⁣8⁣⁣L⁣ ⁣6⁣C⁣ ⁣⁣Q⁣F⁣ ⁣⁣D⁣⁣⁣⁣
  • CORALVUE HYDROS PRO CONTROLLER SYSTEM X4/XP8 Pro Pack XS + EXTRAS ***READ** - Image 1 of 4

    CORALVUE HYDROS PRO CONTROLLER SYSTEM X4/XP8 Pro Pack XS + EXTRAS ***READ**

    Pre-Owned
    C $1,514.64
    C $100.53 shipping
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  • HM Digital SP-P2 Replacement pH Probe/Sensor/Electrode - for PH-200 Meter/Tester - Image 1 of 2

    HM Digital SP-P2 Replacement pH Probe/Sensor/Electrode - for PH-200 Meter/Tester

    Brand New
    (1)
    C $31.63
    194 sold
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  • Digital Aquarium Fish Tank Thermometer Sticker Dual Scale Many uses, Brewing etc - Image 1 of 4

    Digital Aquarium Fish Tank Thermometer Sticker Dual Scale Many uses, Brewing etc

    Brand New · Unbranded
    C $9.92
    Was: C $10.78was - C $10.78
    or Best Offer
    Free shipping
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    American Marine Pinpoint Salinity Monitor w/probe

    Brand New
    (1)
    C $192.95
    C $25.59 shipping
    Only 1 left!
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    Seneye USB Outlet Adapter

    Brand New · seneye
    C $45.47
    C $16.15 shipping
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  • Inkbird ITC-308 WiFi Digital Thermostat Temperature Controller - Aquarium Fish - Image 1 of 4

    Inkbird ITC-308 WiFi Digital Thermostat Temperature Controller - Aquarium Fish

    Brand New
    C $48.22
    or Best Offer
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  • Fish Tank Electronic Thermometer High-precision Aquarium Thermometer Temp Meter - Image 1 of 4

    Fish Tank Electronic Thermometer High-precision Aquarium Thermometer Temp Meter

    Brand New · Unbranded
    C $8.75
    C $3.03 shipping
    ⁣⁣⁣⁣⁣⁣⁣O⁣⁣⁣K⁣⁣⁣⁣⁣⁣⁣ ⁣0⁣⁣T⁣ ⁣⁣⁣⁣⁣5⁣⁣
  • Milwaukee Instruments SMS410 TDS Meter Smart Monitoring system - Image 1 of 3

    Milwaukee Instruments SMS410 TDS Meter Smart Monitoring system

    Pre-Owned
    C $57.06
    or Best Offer
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  • 3X Aquarium LCD Digital Fish Tank Thermometer Water Terrarium Black w/Batteries - Image 1 of 4

    3X Aquarium LCD Digital Fish Tank Thermometer Water Terrarium Black w/Batteries

    Brand New · Unbranded
    C $8.08 to C $15.67
    C $3.03 shipping
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  • Neptune Apex Breakout Box Push Terminal Hidden Mounting Many Colors Available - Image 1 of 3

    Neptune Apex Breakout Box Push Terminal Hidden Mounting Many Colors Available

    Brand New
    C $35.13
    Was: C $41.33was - C $41.33
    or Best Offer
    62 sold
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  • 3 Pcs Fish Tank Thermometer Sticker Aquarium Temperature Strip Sticker - Image 1 of 4

    3 Pcs Fish Tank Thermometer Sticker Aquarium Temperature Strip Sticker

    Brand New
    C $6.67
    C $15.01 shipping
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  • pH & ORP Redox Controller Water Quality Meter Tester Aquarium Hydroponics Tank - Image 1 of 4

    pH & ORP Redox Controller Water Quality Meter Tester Aquarium Hydroponics Tank

    Brand New · Unbranded
    C $223.13
    or Best Offer
    C $8.13 shipping
    16 watching
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  • Hose Thermometer Water Change Temperature Gauge Fish Aquarium Works W/ PYTHON - Image 1 of 4

    Hose Thermometer Water Change Temperature Gauge Fish Aquarium Works W/ PYTHON

    Brand New
    C $41.28
    C $16.03 shipping
    9 watching
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