Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Unbranded pH Level Aquarium Meters & Controllers

breadcrumb

  • eBay
    • Pet Supplies
    • Fish & Aquariums
  • Pet Supplies
  • Fish & Aquariums
  • Meters & Controllers
  • Unbranded pH Level Aquarium Meters & Controllers

Shop by category

  • Fish & Aquariums
    • Meters & Controllers
    • Air Stones
    • Algae Repellent
    • Aquariums & Tanks
    • CO2 Equipment
    • Cleaning & Maintenance
    • Coral & Live Rock
    • Decorations
    • Feeders
    • Filter Media & Accessories
    • Filters
    • Fish Pond Supplies
    • Food
    • Gravel & Substrate
    • Health Care
    • Heaters & Chillers
    • Lighting & Bulbs
    • Live Fish
    • Live Invertebrates
    • Live Plants
    • Other Fish & Aquarium Supplies
    • Pumps (Air)
    • Pumps (Water)
    • Reverse Osmosis & Deionization
    • Tubing & Valves
    • UV Sterilizers
    • Water Tests & Treatment
    • 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 - Image 2 of 4
    • 2 in1 Digital Salinity & PH Meter Salinity&PH Monitor for Aquarium - Image 3 of 4
    • 2 in1 Digital Salinity & PH Meter Salinity&PH Monitor for Aquarium - Image 4 of 4

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

    Brand New · Unbranded
    S$ 111.41
    S$ 6.99 shipping
    Only 2 left
    O⁣S⁣p⁣7⁣o⁣ ⁣F⁣N⁣ ⁣Q⁣3⁣ ⁣V⁣Z⁣ ⁣n⁣F⁣s⁣o⁣U⁣r⁣ ⁣е⁣⁣⁣d⁣ ⁣⁣
    • 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 - Image 2 of 4
    • pH & ORP Redox Controller Water Quality Meter Tester Aquarium Hydroponics Tank - Image 3 of 4
    • pH & ORP Redox Controller Water Quality Meter Tester Aquarium Hydroponics Tank - Image 4 of 4

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

    Brand New · Unbranded
    S$ 226.48
    or Best Offer
    S$ 8.25 shipping
    16 watching
    4⁣X⁣S⁣ ⁣p⁣о⁣n⁣s⁣Q⁣V⁣ ⁣o⁣5⁣V⁣r⁣ ⁣e⁣d⁣C⁣⁣⁣⁣Q⁣⁣ ⁣Q⁣V⁣⁣
    • WiFi 2 in 1 Digital Salinity & PH Meter Salinity & PH Monitor for Aquarium - Image 1 of 4
    • WiFi 2 in 1 Digital Salinity & PH Meter Salinity & PH Monitor for Aquarium - Image 2 of 4
    • WiFi 2 in 1 Digital Salinity & PH Meter Salinity & PH Monitor for Aquarium - Image 3 of 4
    • WiFi 2 in 1 Digital Salinity & PH Meter Salinity & PH Monitor for Aquarium - Image 4 of 4

    WiFi 2 in 1 Digital Salinity & PH Meter Salinity & PH Monitor for Aquarium

    Brand New · Unbranded
    S$ 166.68
    Was: S$ 179.23was - S$ 179.23
    or Best Offer
    Free international shipping
    Only 1 left!
    S⁣p⁣Y⁣Z⁣ ⁣о⁣D⁣E⁣n⁣ ⁣1⁣Z⁣s⁣ ⁣o⁣r⁣U⁣V⁣ ⁣e⁣d⁣P⁣M⁣ ⁣⁣⁣9⁣⁣
    • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 1 of 4
    • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 2 of 4
    • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 3 of 4
    • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 4 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor

    Brand New · Unbranded
    S$ 259.18 to S$ 285.49
    Was: S$ 272.81was - S$ 272.81
    Free international shipping
    N⁣T⁣ ⁣S⁣p⁣o⁣7⁣K⁣ ⁣n⁣ѕ⁣K⁣o⁣r⁣E⁣e⁣d⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣F⁣
  • PH PROBE WITH BNC CONNECTOR, REPLACEMENT, AQUARIUM, MARINE METER, ELECTRODE UK - Image 1 of 4

    PH PROBE WITH BNC CONNECTOR, REPLACEMENT, AQUARIUM, MARINE METER, ELECTRODE UK

    Brand New · Unbranded
    S$ 32.22
    S$ 47.41 shipping
    Only 1 left!
    H⁣⁣⁣N⁣⁣ ⁣⁣⁣I⁣N⁣ ⁣⁣⁣4⁣⁣⁣G⁣ ⁣⁣⁣⁣L⁣3⁣⁣ ⁣L⁣⁣⁣
  • 50 Ohm BNC Connector PH Electrode for PH Meter Monitor Controller Replacement - Image 1 of 4

    50 Ohm BNC Connector PH Electrode for PH Meter Monitor Controller Replacement

    Brand New · Unbranded
    S$ 27.84
    or Best Offer
    S$ 8.25 shipping
    5 watching
    T⁣7⁣⁣ ⁣⁣1⁣2⁣ ⁣W⁣G⁣⁣⁣ ⁣J⁣M⁣ ⁣C⁣T⁣ ⁣⁣⁣ ⁣⁣⁣⁣⁣ ⁣⁣
  • WIFI PH Salinity Controller Meter Aquarium Tank Seawater Salt Tester Monitor Kit - Image 1 of 4

    WIFI PH Salinity Controller Meter Aquarium Tank Seawater Salt Tester Monitor Kit

    Brand New · Unbranded
    S$ 147.67
    Was: S$ 162.27was - S$ 162.27
    Free international shipping
    ⁣9⁣3⁣⁣ ⁣G⁣⁣A⁣ ⁣⁣⁣W⁣⁣Y⁣⁣ ⁣U⁣P⁣ ⁣⁣E⁣⁣0⁣ ⁣K⁣⁣⁣ ⁣
  • PH Electrode Long 300cm Cable BNC Socket w/ Calibration Solutions Easy Calibrate - Image 1 of 4

    PH Electrode Long 300cm Cable BNC Socket w/ Calibration Solutions Easy Calibrate

    Brand New · Unbranded
    S$ 34.40
    or Best Offer
    S$ 9.21 shipping
    5 watching
    ⁣P⁣2⁣⁣ ⁣⁣O⁣B⁣⁣ ⁣⁣⁣J⁣S⁣ ⁣⁣W⁣E⁣⁣⁣ ⁣E⁣O⁣ ⁣P⁣⁣⁣⁣
  • 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
    S$ 102.82
    or Best Offer
    Free international shipping
    0⁣U⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣P⁣9⁣⁣⁣⁣ ⁣H⁣2⁣ ⁣⁣G⁣⁣4⁣⁣ ⁣⁣F⁣
  • Fish Tank Water Quality Detector TDS Value PH Value Monitoring Water Quality - Image 1 of 4

    Fish Tank Water Quality Detector TDS Value PH Value Monitoring Water Quality

    Brand New · Unbranded
    S$ 211.53
    Free international shipping
    6⁣H⁣ ⁣7⁣M⁣⁣⁣⁣⁣⁣ ⁣9⁣G⁣⁣⁣⁣⁣⁣ ⁣9⁣⁣⁣⁣⁣⁣U⁣⁣ ⁣
  • Electrode Probe Aquarium Swimming Pool Replace Connector PH Calibration Tester - Image 1 of 4

    Electrode Probe Aquarium Swimming Pool Replace Connector PH Calibration Tester

    Brand New · Unbranded
    S$ 42.07
    Was: S$ 46.22was - S$ 46.22
    Free international shipping
    M⁣⁣5⁣ ⁣A⁣B⁣⁣ ⁣⁣U⁣⁣P⁣ ⁣2⁣⁣⁣⁣⁣8⁣ ⁣⁣C⁣Y⁣⁣⁣ ⁣⁣⁣
  • 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
    S$ 126.74
    or Best Offer
    S$ 4.17 shipping
    A⁣0⁣ ⁣F⁣H⁣⁣⁣ ⁣⁣4⁣4⁣⁣⁣ ⁣G⁣7⁣ ⁣⁣A⁣H⁣ ⁣O⁣⁣⁣ ⁣⁣⁣⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor

    Brand New · Unbranded
    S$ 235.62 to S$ 259.54
    Was: S$ 273.19was - S$ 273.19
    Free international shipping
    ⁣P⁣⁣⁣9⁣⁣⁣⁣⁣ ⁣⁣⁣B⁣S⁣⁣ ⁣W⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 226.32 to S$ 250.24
    Was: S$ 263.40was - S$ 263.40
    Free international shipping
    S⁣0⁣6⁣p⁣о⁣ ⁣3⁣8⁣n⁣s⁣o⁣ ⁣r⁣e⁣A⁣d⁣⁣O⁣ ⁣N⁣8⁣ ⁣M⁣E⁣⁣⁣ ⁣2⁣
  • WIFI Aquarium Tank Seawater Salt Tester Monitor PH Salinity Controller Meter - Image 1 of 4

    WIFI Aquarium Tank Seawater Salt Tester Monitor PH Salinity Controller Meter

    Brand New · Unbranded
    S$ 185.45
    Was: S$ 199.41was - S$ 199.41
    Free international shipping
    S⁣N⁣p⁣H⁣o⁣ ⁣n⁣s⁣W⁣о⁣r⁣e⁣L⁣d⁣ ⁣B⁣⁣⁣⁣R⁣⁣ ⁣⁣⁣8⁣J⁣⁣ ⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 237.94 to S$ 261.72
    Free international shipping
    Ѕ⁣p⁣o⁣I⁣n⁣U⁣s⁣o⁣r⁣e⁣ ⁣d⁣⁣⁣T⁣2⁣ ⁣⁣J⁣4⁣⁣⁣ ⁣P⁣⁣⁣L⁣ ⁣
  • 6 IN 1 Smart PH Salinity Controller Meter WIFI Aquarium Tank Seawater SaltTester - Image 1 of 4

    6 IN 1 Smart PH Salinity Controller Meter WIFI Aquarium Tank Seawater SaltTester

    Brand New · Unbranded
    S$ 186.77
    Was: S$ 198.69was - S$ 198.69
    Free international shipping
    3⁣⁣U⁣⁣ ⁣5⁣⁣3⁣⁣ ⁣C⁣⁣K⁣ ⁣L⁣⁣X⁣⁣ ⁣⁣⁣⁣F⁣⁣M⁣ ⁣T⁣⁣
  • Digital Salinity&PH Meter Salinity&PH Monitor Tester for Aquarium 2 way Power - Image 1 of 4

    Digital Salinity&PH Meter Salinity&PH Monitor Tester for Aquarium 2 way Power

    Brand New · Unbranded
    S$ 102.25
    or Best Offer
    Free international shipping
    T⁣N⁣⁣ ⁣⁣⁣U⁣U⁣⁣ ⁣⁣S⁣Q⁣ ⁣⁣C⁣A⁣⁣⁣ ⁣E⁣⁣⁣P⁣ ⁣P⁣⁣⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 224.65 to S$ 247.24
    Free international shipping
    ⁣⁣⁣⁣⁣⁣Z⁣3⁣ ⁣⁣R⁣M⁣ ⁣⁣⁣1⁣⁣⁣⁣⁣⁣3⁣ ⁣⁣U⁣⁣9⁣⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 224.76 to S$ 248.68
    Was: S$ 261.78was - S$ 261.78
    Free international shipping
    ⁣O⁣⁣F⁣ ⁣⁣⁣Q⁣K⁣ ⁣K⁣I⁣⁣ ⁣0⁣4⁣⁣ ⁣Z⁣X⁣⁣⁣⁣⁣ ⁣⁣⁣ ⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 239.34 to S$ 264.52
    Free international shipping
    U⁣⁣⁣F⁣⁣ ⁣⁣5⁣P⁣⁣⁣ ⁣O⁣B⁣⁣⁣⁣⁣ ⁣Z⁣⁣⁣⁣M⁣ ⁣D⁣⁣C⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor New

    Brand New · Unbranded
    S$ 226.80 to S$ 250.73
    Was: S$ 263.92was - S$ 263.92
    Free international shipping
    B⁣⁣⁣7⁣⁣ ⁣⁣⁣⁣⁣3⁣⁣P⁣ ⁣N⁣F⁣⁣⁣⁣ ⁣⁣O⁣0⁣ ⁣⁣Q⁣0⁣ ⁣
  • PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor - Image 1 of 4

    PH Salinity Controller Meter WIFI Aquarium Tank Seawater Salt Tester Monitor

    Brand New · Unbranded
    S$ 246.22 to S$ 271.22
    Was: S$ 285.49was - S$ 285.49
    Free international shipping
    ⁣R⁣1⁣⁣ ⁣S⁣⁣2⁣⁣⁣⁣ ⁣⁣F⁣X⁣⁣⁣ ⁣I⁣⁣⁣5⁣ ⁣K⁣H⁣⁣ ⁣⁣
  • PH Probe Electrode Replacement Sensor BNC 115 cm Cable Aquariums Hydroponics Lab - Image 1 of 1

    PH Probe Electrode Replacement Sensor BNC 115 cm Cable Aquariums Hydroponics Lab

    New (Other) · Unbranded
    S$ 27.90
    or Best Offer
    S$ 35.48 shipping
    K⁣Z⁣ ⁣I⁣E⁣ ⁣⁣⁣⁣⁣4⁣⁣⁣W⁣ ⁣⁣⁣⁣⁣⁣D⁣⁣W⁣ ⁣X⁣⁣⁣⁣
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

24 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Brand: Unbranded- Selected
    • Measured/Controlled Parameter: pH Level- Selected
    Clear All