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Salinity Marine Aquarium Meters & Controllers

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37 results

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  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Water Type: Marine- Selected
    • Measured/Controlled Parameter: Salinity- Selected
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  • Guide for Trident Reagent Needle - Set of 3 - Reef Safe - APEX Neptune- 3D Print - Image 1 of 1

    Guide for Trident Reagent Needle - Set of 3 - Reef Safe - APEX Neptune- 3D Print

    Brand New
    S$ 9.11
    or Best Offer
    S$ 24.72 shipping
    94 sold
    S⁣J⁣S⁣ ⁣p⁣o⁣U⁣Y⁣n⁣ ⁣s⁣D⁣o⁣5⁣r⁣е⁣ ⁣C⁣d⁣4⁣ ⁣⁣⁣Q⁣W⁣ ⁣⁣⁣
    • Neptune apex Break out box - BOB - Full Customization - Naming - Multi colors - - Image 1 of 4
    • Neptune apex Break out box - BOB - Full Customization - Naming - Multi colors - - Image 2 of 4
    • Neptune apex Break out box - BOB - Full Customization - Naming - Multi colors - - Image 3 of 4
    • Neptune apex Break out box - BOB - Full Customization - Naming - Multi colors - - Image 4 of 4

    Neptune apex Break out box - BOB - Full Customization - Naming - Multi colors -

    Brand New · Neptune
    S$ 63.16 to S$ 84.21
    S$ 38.64 shipping
    X⁣Ѕ⁣5⁣ ⁣R⁣p⁣o⁣M⁣ ⁣X⁣n⁣s⁣S⁣o⁣ ⁣r⁣e⁣d⁣A⁣6⁣⁣ ⁣⁣⁣2⁣⁣V⁣ ⁣
  • SENEYE REEF AQUARIUM MONITOR - SENEYE - Image 1 of 1

    SENEYE REEF AQUARIUM MONITOR - SENEYE

    Brand New · seneye
    S$ 322.79
    S$ 38.65 shipping
    Only 1 left!
    S⁣p⁣о⁣n⁣s⁣A⁣G⁣ ⁣o⁣r⁣L⁣G⁣e⁣ ⁣d⁣⁣⁣⁣⁣X⁣V⁣⁣ ⁣⁣⁣⁣⁣E⁣
    • Hydrometer Aquarium Fish Saltwater Reef Salt Water Specific Gravity Salinity PPT - Image 1 of 2
    • Hydrometer Aquarium Fish Saltwater Reef Salt Water Specific Gravity Salinity PPT - Image 2 of 2

    Hydrometer Aquarium Fish Saltwater Reef Salt Water Specific Gravity Salinity PPT

    Brand New
    S$ 14.02
    Was: S$ 22.44was - S$ 22.44
    S$ 28.65 shipping
    21 watching
    S⁣p⁣T⁣U⁣ ⁣o⁣n⁣s⁣o⁣8⁣r⁣е⁣d⁣⁣2⁣ ⁣⁣O⁣⁣5⁣ ⁣E⁣M⁣⁣ ⁣X⁣⁣K⁣
  • 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
    S$ 933.51
    or Best Offer
    S$ 38.11 shipping
    ⁣⁣K⁣⁣⁣6⁣ ⁣T⁣⁣F⁣ ⁣5⁣C⁣⁣⁣⁣⁣ ⁣2⁣⁣⁣5⁣⁣ ⁣⁣⁣2⁣6⁣
  • Seneye Reef Aquarium Monitor and Par Meter 0226-04 [NEW OPEN BOX] - Image 1 of 4

    Seneye Reef Aquarium Monitor and Par Meter 0226-04 [NEW OPEN BOX]

    Brand New · seneye
    S$ 275.01
    or Best Offer
    S$ 44.97 shipping
    J⁣P⁣⁣⁣⁣⁣ ⁣8⁣H⁣ ⁣X⁣I⁣ ⁣4⁣⁣5⁣⁣ ⁣⁣1⁣V⁣⁣⁣⁣ ⁣⁣A⁣⁣
  • American Marine Pinpoint Salinity Monitor w/probe - Image 1 of 1

    American Marine Pinpoint Salinity Monitor w/probe

    Brand New
    S$ 165.13
    S$ 34.01 shipping
    6 watching
    M⁣⁣O⁣⁣⁣ ⁣K⁣⁣B⁣ ⁣U⁣U⁣ ⁣F⁣⁣T⁣⁣⁣ ⁣⁣⁣5⁣H⁣⁣ ⁣⁣⁣⁣
  • Reef HD Portable Salinity Refractometer with Temp Compensation marine reef tank - Image 1 of 4

    Reef HD Portable Salinity Refractometer with Temp Compensation marine reef tank

    Brand New
    S$ 42.09
    Free shipping
    M⁣⁣N⁣ ⁣⁣⁣2⁣⁣6⁣⁣ ⁣⁣⁣⁣⁣2⁣⁣⁣⁣9⁣ ⁣⁣R⁣⁣2⁣⁣⁣ ⁣
  • Seneye Reef Monitor - Image 1 of 2

    Seneye Reef Monitor

    Brand New · seneye
    S$ 322.79
    S$ 38.65 shipping
    B⁣⁣2⁣ ⁣⁣⁣⁣0⁣S⁣ ⁣E⁣L⁣⁣⁣ ⁣S⁣6⁣ ⁣Y⁣⁣⁣⁣⁣⁣X⁣ ⁣⁣⁣
  • Hikari Accuprobe Hydrometer for Fish Tank Aquarium - Image 1 of 1

    Hikari Accuprobe Hydrometer for Fish Tank Aquarium

    Brand New · Hikari
    S$ 19.58
    S$ 29.71 shipping
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  • Sybon Heavy Duty Salinity Refractometer - FG100sa w/ ATC - Image 1 of 1

    Sybon Heavy Duty Salinity Refractometer - FG100sa w/ ATC

    Brand New
    S$ 77.18
    S$ 56.38 shipping
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  • American Marine Pinpoint pH Monitor + probe and calibration fluid - Image 1 of 1

    American Marine Pinpoint pH Monitor + probe and calibration fluid

    Brand New
    S$ 138.94
    S$ 58.20 shipping
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  • Blue Line RHS-10ATC HeavyDuty Salinity/Saltwater Reef Aquarium Refractometer ATC - Image 1 of 4

    Blue Line RHS-10ATC HeavyDuty Salinity/Saltwater Reef Aquarium Refractometer ATC

    Brand New
    S$ 56.13
    S$ 30.79 shipping
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  • Easy Install Auto Top Off for Rimless Aquariums - 2-Year Warranty Green System - Image 1 of 4

    Easy Install Auto Top Off for Rimless Aquariums - 2-Year Warranty Green System

    Brand New · Unbranded
    S$ 139.55
    Was: S$ 174.44was - S$ 174.44
    S$ 32.34 shipping
    1⁣K⁣S⁣ ⁣P⁣p⁣o⁣n⁣Z⁣ ⁣K⁣9⁣ѕ⁣o⁣ ⁣r⁣e⁣7⁣d⁣⁣Z⁣ ⁣⁣⁣⁣A⁣B⁣⁣
  • Space-Saving Automatic Aquarium Top Off System - Real-Time Water Maintenance - Image 1 of 4

    Space-Saving Automatic Aquarium Top Off System - Real-Time Water Maintenance

    Brand New · Unbranded
    S$ 133.19
    Was: S$ 140.21was - S$ 140.21
    S$ 32.15 shipping
    S⁣p⁣X⁣2⁣о⁣n⁣s⁣o⁣ ⁣S⁣X⁣r⁣e⁣d⁣ ⁣⁣⁣⁣⁣⁣⁣⁣A⁣⁣⁣W⁣ ⁣⁣
  • Digital Salinity Tester for Salt Water - Waterproof IP67 Salinity Meter with ... - Image 1 of 4

    Digital Salinity Tester for Salt Water - Waterproof IP67 Salinity Meter with ...

    Brand New
    S$ 66.53
    S$ 30.19 shipping
    Ѕ⁣p⁣o⁣n⁣s⁣E⁣6⁣o⁣r⁣ ⁣e⁣d⁣⁣⁣A⁣⁣⁣⁣V⁣⁣⁣⁣⁣ ⁣3⁣T⁣⁣⁣
  • Hikari AccuProbe Aquarium Calibrated Hydrometer - Image 1 of 2

    Hikari AccuProbe Aquarium Calibrated Hydrometer

    Brand New · Hikari
    S$ 19.56
    S$ 29.71 shipping
    D⁣8⁣ ⁣K⁣0⁣⁣ ⁣H⁣⁣⁣⁣Y⁣ ⁣⁣⁣⁣T⁣⁣⁣⁣⁣T⁣ ⁣E⁣E⁣ ⁣⁣⁣
  • Advanced Auto Top Off for Saltwater & Fresh Aquariums - Reliable Blue Solution - Image 1 of 4

    Advanced Auto Top Off for Saltwater & Fresh Aquariums - Reliable Blue Solution

    Brand New · Unbranded
    S$ 133.19
    Was: S$ 140.21was - S$ 140.21
    or Best Offer
    S$ 32.15 shipping
    B⁣V⁣ ⁣3⁣7⁣ ⁣B⁣K⁣⁣ ⁣⁣⁣1⁣E⁣ ⁣⁣⁣⁣⁣⁣⁣2⁣⁣⁣L⁣ ⁣⁣G⁣
  • Hikari AccuProbe Aquarium Hydrometer, Full - Image 1 of 2

    Hikari AccuProbe Aquarium Hydrometer, Full

    Brand New · Hikari
    S$ 28.80
    S$ 29.99 shipping
    ⁣V⁣⁣V⁣⁣⁣⁣ ⁣Q⁣Q⁣⁣⁣ ⁣T⁣⁣⁣⁣⁣⁣Y⁣⁣⁣ ⁣⁣⁣D⁣R⁣⁣
  • Saltwater Aquarium Water Density Meter. Deep Six Specific Gravity Hydrometer - Image 1 of 4

    Saltwater Aquarium Water Density Meter. Deep Six Specific Gravity Hydrometer

    Brand New · Coralife
    S$ 28.07
    S$ 31.92 shipping
    V⁣C⁣⁣⁣ ⁣V⁣T⁣ ⁣J⁣Z⁣⁣⁣ ⁣L⁣⁣⁣4⁣ ⁣0⁣⁣R⁣ ⁣⁣⁣⁣⁣⁣ ⁣
  • Coralife Deep Six Hydrometer For Aquariums Fish Tanks - Image 1 of 1

    Coralife Deep Six Hydrometer For Aquariums Fish Tanks

    Brand New · Coralife
    S$ 14.02
    or Best Offer
    S$ 39.84 shipping
    ⁣9⁣⁣⁣P⁣ ⁣V⁣⁣⁣7⁣⁣ ⁣J⁣L⁣ ⁣⁣G⁣⁣⁣⁣⁣⁣⁣⁣J⁣⁣⁣ ⁣
  • Coralife Deep Six Hydrometer 12'' X 10'' X 11'' Clear - Image 1 of 3

    Coralife Deep Six Hydrometer 12'' X 10'' X 11'' Clear

    Brand New · Coralife
    S$ 20.27
    or Best Offer
    S$ 35.84 shipping
    ⁣⁣⁣0⁣⁣⁣⁣6⁣ ⁣⁣X⁣⁣A⁣ ⁣H⁣C⁣⁣ ⁣6⁣B⁣⁣⁣ ⁣K⁣⁣X⁣ ⁣⁣
  • Kent Marine Hydrometer - Image 1 of 1

    Kent Marine Hydrometer

    Brand New · KENT Marine
    S$ 14.02
    S$ 252.66 shipping
    E⁣J⁣ ⁣L⁣I⁣ ⁣N⁣3⁣ ⁣⁣⁣⁣⁣K⁣M⁣ ⁣I⁣G⁣⁣⁣ ⁣R⁣⁣⁣ ⁣⁣⁣⁣
  • Coralife Deep Six Hydrometer 12'' X 10'' X 11'' Clear - Image 1 of 1

    Coralife Deep Six Hydrometer 12'' X 10'' X 11'' Clear

    Brand New · Coralife
    S$ 35.45
    S$ 87.94 shipping
    ⁣⁣X⁣⁣R⁣ ⁣W⁣1⁣⁣⁣ ⁣⁣G⁣⁣⁣⁣⁣⁣⁣W⁣ ⁣V⁣⁣⁣⁣9⁣ ⁣U⁣
  • Kent Marine Hydrometer Certified Calibration New Fish Tank Aquarium Equipment - Image 1 of 3

    Kent Marine Hydrometer Certified Calibration New Fish Tank Aquarium Equipment

    Brand New · KENT Marine
    S$ 21.75
    S$ 54.75 shipping
    W⁣⁣0⁣ ⁣U⁣T⁣⁣⁣⁣⁣⁣ ⁣⁣F⁣⁣⁣⁣⁣⁣I⁣ ⁣V⁣T⁣⁣ ⁣3⁣⁣Q⁣
  • Coralife Deep Six Hydrometer Gravity Meter aquariums fish tank new - Image 1 of 4

    Coralife Deep Six Hydrometer Gravity Meter aquariums fish tank new

    Brand New · Coralife
    S$ 15.42
    S$ 70.06 shipping
    ⁣5⁣⁣⁣F⁣⁣ ⁣J⁣⁣⁣W⁣⁣ ⁣⁣⁣2⁣1⁣⁣⁣⁣ ⁣⁣⁣⁣⁣O⁣⁣⁣
  • Brightwell Aquatics Refractometer Calibration Solution 60mL Salinity Salt Test - Image 1 of 1

    Brightwell Aquatics Refractometer Calibration Solution 60mL Salinity Salt Test

    Brand New · Brightwell Aquatics
    S$ 21.96
    Was: S$ 24.41was - S$ 24.41
    or Best Offer
    S⁣W⁣ ⁣⁣M⁣D⁣⁣⁣ ⁣⁣⁣O⁣R⁣⁣ ⁣P⁣⁣⁣Q⁣⁣⁣ ⁣M⁣⁣5⁣⁣⁣⁣
  • American Marine Pinpoint Salinity Calibration Fluid 1.026 Specific Gravity - Image 1 of 2

    American Marine Pinpoint Salinity Calibration Fluid 1.026 Specific Gravity

    Brand New
    S$ 26.51
    Was: S$ 29.46was - S$ 29.46
    or Best Offer
    Z⁣⁣⁣⁣O⁣⁣⁣ ⁣8⁣U⁣⁣⁣⁣⁣ ⁣⁣D⁣K⁣ ⁣U⁣0⁣ ⁣⁣⁣7⁣⁣⁣⁣
  • Neptune Systems Apex Lab Grade Salinity - Conductivity Probe MFG 2019 - Image 1 of 4

    New ListingNeptune Systems Apex Lab Grade Salinity - Conductivity Probe MFG 2019

    Pre-Owned · Neptune Systems
    S$ 195.08
    S$ 33.98 shipping
    ⁣⁣⁣⁣5⁣9⁣⁣ ⁣⁣⁣⁣⁣⁣⁣7⁣⁣4⁣⁣⁣ ⁣⁣⁣N⁣⁣Z⁣⁣ ⁣⁣
  • Neptune Systems Apex Lab Grade Salinity - Conductivity Probe MFG 2018 - Image 1 of 4

    New ListingNeptune Systems Apex Lab Grade Salinity - Conductivity Probe MFG 2018

    Pre-Owned · Neptune Systems
    S$ 181.05
    S$ 33.57 shipping
    ⁣⁣⁣L⁣2⁣⁣⁣ ⁣⁣4⁣⁣⁣⁣⁣3⁣⁣⁣ ⁣X⁣5⁣⁣ ⁣⁣V⁣⁣4⁣⁣⁣
  • Neptune Systems A3 Apex Pro Controller System (NEP-A3PROSYS-25) - Image 1 of 4

    Neptune Systems A3 Apex Pro Controller System (NEP-A3PROSYS-25)

    Pre-Owned · Neptune Systems
    S$ 901.32
    or Best Offer
    S$ 194.43 shipping
    ⁣Q⁣L⁣ ⁣T⁣⁣⁣O⁣ ⁣G⁣⁣⁣⁣J⁣⁣⁣ ⁣⁣⁣⁣L⁣⁣⁣⁣⁣E⁣ ⁣R⁣
  • American Marine Pinpoint pH Monitor + probe and calibration fluid - Image 1 of 1

    American Marine Pinpoint pH Monitor + probe and calibration fluid

    Pre-Owned
    S$ 63.16
    or Best Offer
    S$ 42.17 shipping
    W⁣9⁣⁣ ⁣R⁣⁣0⁣ ⁣6⁣8⁣⁣ ⁣⁣Q⁣⁣⁣L⁣ ⁣⁣⁣R⁣S⁣ ⁣⁣⁣⁣⁣⁣
  • SENEYE REEF AQUARIUM MONITOR - Par, Temp, pH, NH3, Water Level - Image 1 of 3

    SENEYE REEF AQUARIUM MONITOR - Par, Temp, pH, NH3, Water Level

    Pre-Owned · seneye
    S$ 196.47
    or Best Offer
    S$ 43.34 shipping
    ⁣E⁣A⁣ ⁣5⁣0⁣⁣ ⁣⁣⁣⁣⁣5⁣⁣⁣⁣⁣⁣⁣K⁣⁣ ⁣⁣P⁣⁣⁣Y⁣⁣
  • DKK-TOA SSM-21P Surface Salinity Meter | Portable Salt Tester for Marine Use - Image 1 of 4

    DKK-TOA SSM-21P Surface Salinity Meter | Portable Salt Tester for Marine Use

    Pre-Owned
    S$ 424.91
    or Best Offer
    S$ 128.76 shipping
    S⁣3⁣H⁣ ⁣4⁣H⁣ ⁣5⁣M⁣р⁣o⁣ ⁣n⁣G⁣s⁣o⁣I⁣r⁣ ⁣5⁣e⁣P⁣ ⁣Z⁣⁣d⁣⁣⁣
  • DKK-TOA Corporation Surface Salinity Meter SSM-21P - Image 1 of 4

    DKK-TOA Corporation Surface Salinity Meter SSM-21P

    Pre-Owned
    S$ 421.08
    or Best Offer
    S$ 127.01 shipping
    S⁣5⁣р⁣o⁣W⁣ ⁣5⁣Q⁣ ⁣n⁣s⁣Y⁣o⁣7⁣r⁣ ⁣e⁣d⁣⁣⁣⁣W⁣⁣⁣V⁣⁣ ⁣F⁣
  • Coralife Deep Six Hydrometer For Aquariums Fish Tanks - Image 1 of 1

    Coralife Deep Six Hydrometer For Aquariums Fish Tanks

    Brand New · Coralife
    S$ 20.73
    S$ 28.84 shipping
    8⁣C⁣⁣⁣ ⁣⁣7⁣J⁣⁣⁣ ⁣L⁣D⁣ ⁣⁣⁣P⁣⁣G⁣⁣⁣⁣⁣⁣⁣ ⁣⁣V⁣
  • Brightwell Refractometer Calibration Standard 60 ML Fish Tank Additive - Image 1 of 1

    Brightwell Refractometer Calibration Standard 60 ML Fish Tank Additive

    Brand New · Brightwell Aquatics
    S$ 15.07
    S$ 28.67 shipping
    ⁣⁣C⁣⁣⁣U⁣⁣ ⁣I⁣O⁣ ⁣T⁣⁣Y⁣ ⁣⁣9⁣W⁣ ⁣⁣P⁣Y⁣⁣ ⁣⁣⁣⁣⁣
  • Handheld Refractometer for Marine Aquarium Tank Salinity Testing Salt Meter/ae - Image 1 of 1

    Handheld Refractometer for Marine Aquarium Tank Salinity Testing Salt Meter/ae

    Pre-Owned
    S$ 19.63
    Was: S$ 28.06was - S$ 28.06
    S$ 61.22 shipping
    ⁣J⁣⁣8⁣⁣⁣⁣⁣ ⁣D⁣⁣A⁣⁣ ⁣J⁣⁣⁣⁣⁣0⁣⁣⁣ ⁣⁣J⁣⁣⁣8⁣
  • AMERICAN MARINE PINPOINT SALINITY MONITOR - BOX ONLY!!! - Image 1 of 4

    AMERICAN MARINE PINPOINT SALINITY MONITOR - BOX ONLY!!!

    Pre-Owned
    S$ 16.84
    S$ 35.24 shipping
    ⁣⁣⁣⁣⁣⁣5⁣4⁣⁣⁣ ⁣⁣S⁣⁣⁣S⁣ ⁣⁣L⁣0⁣ ⁣B⁣Q⁣⁣⁣ ⁣⁣⁣