You're in Fish Supplies

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Aquarium Additives

    By Keyword

    Related Searches

    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    FREE Economy Shipping on $19+

    A fast, easy way to check your pond's pH Accurate results every time The pHep 4 measures pH and temperature. Thanks to a stability indicator and hold feature, you'll know when to take the reading and you can freeze the display for easy and accurate... more

    $150.00

    FREE shipping

    go to store
    (275,000+)
    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    FREE Economy Shipping on $19+

    No more mixing solutions, or waiting - simply dip these waterproof testers in the water Easy-to-read test results in seconds Quickly measure pH and temperature; or test conductivity, total dissolved solids, and temperature The pHep 4 measures pH and... more

    $150.00

    FREE shipping

    go to store
    (275,000+)
    pH/EC/TDS Waterproof Tester

    pH/EC/TDS Waterproof Tester

    One- or two-point manual pH calibration for obtaining results across a wide range Non-clogging fiber junction and replaceable electrode to prolong life of meter Automatic Temperature Compensation (ATC) eliminates need for extra calculations Waterproof... more

    $184.90

    FREE shipping

    go to store
    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    No more mixing solutions, or waiting - simply dip these waterproof testers in the water Easy-to-read test results in seconds Quickly measure pH and temperature; or test conductivity, total dissolved solids, and temperature The pHep 4 measures pH and... more

    $150.00

    FREE shipping

    go to store
    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    Hanna Testers pH/EC/TDS Combo (Mfg# HI 98129)

    A fast, easy way to check your pond's pH Accurate results every time The pHep 4 measures pH and temperature. Thanks to a stability indicator and hold feature, you'll know when to take the reading and you can freeze the display for easy and accurate... more

    $150.00

    FREE shipping

    go to store
    Digital TDS Meter Water Quality Tester with Carrying Case

    Digital TDS Meter Water Quality Tester with Carrying Case

    Free Shipping on Over 500K Items!

    TDS stand for Total dissolved solids, which includes Salt, metal or mineral in the water. A TDS meter is an easy to use hand-held digital meter to instantly check your overall water quality. It allows you to stay on top of your drinking water quality... more

    $18.97

    go to store
    HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm Resolution, Purple

    HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm Resolution, Purple

    Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after... more

    $14.88

    go to store
    Hanna Primo 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter

    Hanna Primo 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter

    Hanna Hanna PRIMO 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter more

    $39.99

    FREE shipping

    go to store
    Digital PH Meter/ TDS Aquarium Tester (Yellow), White, Gardening

    Digital PH Meter/ TDS Aquarium Tester (Yellow), White, Gardening

    This digital pen style PH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food and beverage, etc. And, this Digital TDS Water Quality Tester is ideal for all basic water testing applications.... more

    $30.99

    go to store

    Overstock.com

    (675,000+)
    (2) Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Testers | HI98130

    (2) Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Testers | HI98130

    - (2) Hanna GroChek pH/EC/TDS/C/PPT Pocket Testers- Dual-level LCD- Measures in PPT (parts per trillion)- Waterproof and designed to float- Includes:- Electrode- Electrode Removal Tool- Batteries- Instructions- Cloth, renewable junction- Close... more

    $419.99 $336.99

    FREE shipping

    go to store
    Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Pocket Tester| HI98130 [Istilo260094]

    Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Pocket Tester| HI98130 [Istilo260094]

    About Hydrofarm Hydrofarm is the nation's oldest and largest manufacturer of hydroponics equipment and high-intensity grow lights. You can find our products in hundreds of stores and catalogs across North America. Hydrofarm Quality Our systems... more

    $239.20

    FREE shipping

    go to store
    Hanna Instruments GroChek pH/EC/TDS/Temp. Combo

    Hanna Instruments GroChek pH/EC/TDS/Temp. Combo

    "Large, Dual-level Backlit LCD, Waterproof, Auto Calibration & pH Temp. Computing, " more

    $214.07

    FREE shipping

    go to store
    Hanna Instruments SPO EC/TDS Probe for HI981409 & HI981410

    Hanna Instruments SPO EC/TDS Probe for HI981409 & HI981410

    EC/TDS Probe for HI981409 & HI981410 more

    $70.82

    FREE shipping

    go to store
    Hanna Handheld TDS Meter

    Hanna Handheld TDS Meter

    The Handheld TDS meter is ideal for any Reverse osmosis setup. It is used to verify you are product quality water for you home aquarium or drinking water. more

    $29.99

    go to store
    Hanna Testers pHep 4 (Mfg# HI 98127)

    Hanna Testers pHep 4 (Mfg# HI 98127)

    FREE Economy Shipping on $19+

    No more mixing solutions, or waiting - simply dip these waterproof testers in the water Easy-to-read test results in seconds Quickly measure pH and temperature; or test conductivity, total dissolved solids, and temperature The pHep 4 measures pH and... more

    $88.00

    FREE shipping

    go to store
    (275,000+)
    Hanna HI7036L 12.41 PPT (G/L) 25C 460ML TDS Calibration Solution

    Hanna HI7036L 12.41 PPT (G/L) 25C 460ML TDS Calibration Solution

    Hanna Hanna HI7036L 12.41 PPT (G/L) 25C 460ML 1 Pack TDS Calibration Solution Size: Large. more

    $79.80

    FREE shipping

    go to store
    OnlyTheBest 6in1 LCD PH PPM EC CF TDS Tem Water Tester Hydroponic Aquarium Lab Meter Digital, Blue

    OnlyTheBest 6in1 LCD PH PPM EC CF TDS Tem Water Tester Hydroponic Aquarium Lab Meter Digital, Blue

    Great for Hydroponics Gardeners or Aquarium Enthusiasts, Non-technical and Technical Personnel alike!! The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS in a wide range of applications including nutrient solution for... more

    $128.50

    FREE shipping

    go to store
    Oakton WD-35662-15 11+ Multirange TDS Tester, Silver

    Oakton WD-35662-15 11+ Multirange TDS Tester, Silver

    Never watch a tester sink to the bottom of your tank or pond! The Oakton WD-35662-15 TDSTestr 11+ is a multi-range waterproof tester that floats, so there's no need to worry. Valox housing and stainless steel electrodes offer good chemical... more

    $150.80

    FREE shipping

    go to store
    PC60 Premium Waterproof pH/Conductivity/TDS/Salinity Multi-Parameter Pocket Tester Kit, Replaceable Probe, ±0.01 pH/1% F.S Accuracy, Green

    PC60 Premium Waterproof pH/Conductivity/TDS/Salinity Multi-Parameter Pocket Tester Kit, Replaceable Probe, ±0.01 pH/1% F.S Accuracy, Green

    Simply the best pocket pH/EC multi-parameter tester in the market for all kinds of regular pH/EC measurements, such as hydroponics, tap/drinking water, swimming pool, education, water treatment, etc., testing pH/EC/TDS/Salinity/Temp. at the same time.... more

    $122.50

    FREE shipping

    go to store
    Hanna HI983306 Pronto TDS Meter 0-1990PPM Monitor

    Hanna HI983306 Pronto TDS Meter 0-1990PPM Monitor

    Hanna Hanna HI983306 Pronto TDS Meter 0-1990PPM Monitor more

    $245.62

    FREE shipping

    go to store
    Hanna Instruments Phosphate Low Range Checker HC Low Range Phosphate (Mfg# HI713)

    Hanna Instruments Phosphate Low Range Checker HC Low Range Phosphate (Mfg# HI713)

    FREE Economy Shipping on $19+

    Upgrade from chemical test kits to professional instrumentation without breaking your budget. Hanna Instruments Phosphate Low Range Checker HC is a budget-friendly single parameter electronic tester for measuring phosphate levels in freshwater or... more

    $49.00

    FREE shipping

    go to store
    (275,000+)
    Hanna Instruments Marine Calcium Checker HC Marine Calcium (Mfg# HI758)

    Hanna Instruments Marine Calcium Checker HC Marine Calcium (Mfg# HI758)

    FREE Economy Shipping on $19+

    Upgrade from chemical test kits to professional instrumentation without breaking your budget. Hanna Instruments Marine Calcium Checker HC is a budget-friendly single parameter electronic tester for measuring marine calcium level. Compact handheld... more

    $49.00

    FREE shipping

    go to store
    (275,000+)
    Calibration Solutions 1382 PPM Solution (for TDS electrodes, 220 ml)

    Calibration Solutions 1382 PPM Solution (for TDS electrodes, 220 ml)

    FREE Economy Shipping on $19+

    Easy-to-use laboratory-grade calibration solutions for electronic testing instruments Clean, calibrate, or store precision electronic testing equipment Establish standardized reference points to help maintain accurate reading Take proper care of your... more

    $11.99

    go to store
    (275,000+)
    Hanna Instruments Marine Alkalinity Checker HC Marine Alkalinity (Mfg# HI755)

    Hanna Instruments Marine Alkalinity Checker HC Marine Alkalinity (Mfg# HI755)

    FREE Economy Shipping on $19+

    Upgrade from chemical test kits to professional instrumentation without breaking your budget. Hanna Instruments Marine Alkalinity Checker HC is a budget-friendly single parameter electronic tester for measuring marine alkalinity level. Compact handheld... more

    $49.00

    FREE shipping

    go to store
    (275,000+)
    EC/TDS HydroTester COM-80

    EC/TDS HydroTester COM-80

    FREE Economy Shipping on $19+

    Economical, handheld meter puts fast and accurate EC/TDS measurement in the palm of your hand. The HM Digital EC/TDS HydroTester COM-80 is a great choice for hobbyists looking for a sensibly priced electronic tester that measures EC (Electrical... more

    $39.95

    go to store
    (275,000+)
    Calibration Solutions 1382 PPM Solution (for TDS electrodes, 220 ml)

    Calibration Solutions 1382 PPM Solution (for TDS electrodes, 220 ml)

    Easy-to-use laboratory-grade calibration solutions for electronic testing instruments Clean, calibrate, or store precision electronic testing equipment Establish standardized reference points to help maintain accurate reading Take proper care of your... more

    $11.99

    go to store
    Hanna Instruments Phosphate Low Range Checker HC Low Range Phosphate (Mfg# HI713)

    Hanna Instruments Phosphate Low Range Checker HC Low Range Phosphate (Mfg# HI713)

    Upgrade from chemical test kits to professional instrumentation without breaking your budget. Hanna Instruments Phosphate Low Range Checker HC is a budget-friendly single parameter electronic tester for measuring phosphate levels in freshwater or... more

    $49.00

    FREE shipping

    go to store
    Hanna Instruments Marine Calcium Checker HC Marine Calcium (Mfg# HI758)

    Hanna Instruments Marine Calcium Checker HC Marine Calcium (Mfg# HI758)

    Upgrade from chemical test kits to professional instrumentation without breaking your budget. Hanna Instruments Marine Calcium Checker HC is a budget-friendly single parameter electronic tester for measuring marine calcium level. Compact handheld... more

    $49.00

    FREE shipping

    go to store
    EC/TDS HydroTester COM-80

    EC/TDS HydroTester COM-80

    Economical, handheld meter puts fast and accurate EC/TDS measurement in the palm of your hand. The HM Digital EC/TDS HydroTester COM-80 is a great choice for hobbyists looking for a sensibly priced electronic tester that measures EC (Electrical... more

    $39.95

    go to store
    Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Pocket Tester| HI98130

    Hanna Instruments Grochek Waterproof pH/EC/TDS/C/PPT Temp Pocket Tester| HI98130

    - Hanna GroChek pH/EC/TDS/C/PPT Pocket Tester- Dual-level LCD- Measures in PPT (parts per trillion)- Waterproof and designed to float- Includes:- Electrode- Electrode Removal Tool- Batteries- Instructions- Cloth, renewable junction- Close proximity... more

    $209.99 $169.99

    FREE shipping

    go to store
    Zimtown pH Meter Pen Tester + TDS-3 TDS Water Quality Meter Pen Tester

    Zimtown pH Meter Pen Tester + TDS-3 TDS Water Quality Meter Pen Tester

    Features: 1. Portable pen shaped design 2. Make it easy and quick to get accurate pH measurement or the purity of liquids 3. Highly sensitive electrode probe, high accuracy 4. Easy-to-read digital display 5. Ideal for a wide variety of household or... more

    $35.98 $17.99

    FREE shipping

    go to store
    iMeshbean Digital Lcd PH TDS Tester Water Testing Meter USA Seller (TDS Meter)

    iMeshbean Digital Lcd PH TDS Tester Water Testing Meter USA Seller (TDS Meter)

    Digital Salt Salinity Tester Meter --- This Tester is NOT waterproof! Feature: Size: 5.5" * 1" * 0.6" Salt Range: 0-9990ppm or 0.000-0.999% If the meter reads 500 x 10 ppm that means 500 x 10 = 5000 ppm = 0.5% Press hold button to keep current reading... more

    $9.36

    FREE shipping

    go to store
    Zimtown TDS-3 TDS Water Quality Meter Pen Tester

    Zimtown TDS-3 TDS Water Quality Meter Pen Tester

    Features: 1. Offer a quick and easy way to know the purity of liquids 2. Allow you to tell whether the water you are drinking or using is acceptable for the application 3. Test the amount of total dissolved solids (TDS) in the liquids 4. Ideal for a... more

    $19.98 $9.99

    FREE shipping

    go to store
    Digital TDS3 TDS Meter Filter Pen Hold Temp PPM Tester Stick Water Tester

    Digital TDS3 TDS Meter Filter Pen Hold Temp PPM Tester Stick Water Tester

    Description: Easily measure TDS of liquid solutions The TDS/Temp meter is the perfect device for testing the purity of liquids. Portable and easy to use, this meter comes with a carrying case with a clip. The meter is always ready for use - simply... more

    $44.99 $22.48

    FREE shipping

    go to store
    Hanna (HI9812-0) pH, TDS, & Conductivity Meter

    Hanna (HI9812-0) pH, TDS, & Conductivity Meter

    HI-9812-0 is an easy to use portable instrument for field measurement of pH, conductivity and TDS in water conditioning applications. This powerful instrument reduces your necessary tool set for field water quality analysis. HI-9812-0 measures pH from... more

    $204.99

    FREE shipping

    go to store
    Hanna Grochek Combo pH/EC/TDS/Temp Monitor (HI 991404)

    Hanna Grochek Combo pH/EC/TDS/Temp Monitor (HI 991404)

    Hanna Grochek Combo pH/EC/TDS/Temp Monitor (HI 991404)The Combo meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. These microprocessor indicators continuously monitor the three most important nutrient parameters... more

    $259.95

    FREE shipping

    go to store
    iMeshbean Digital Pocket Pen Type LCD TDS Meter Water Tester USA

    iMeshbean Digital Pocket Pen Type LCD TDS Meter Water Tester USA

    Digital Salt Salinity Tester Meter --- This Tester is NOT waterproof! Feature: Size: 5.5" * 1" * 0.6" Salt Range: 0-9990ppm or 0.000-0.999% If the meter reads 500 x 10 ppm that means 500 x 10 = 5000 ppm = 0.5% Press hold button to keep current reading... more

    $9.36

    FREE shipping

    go to store
    Digital TDS Tester Water Pool Aquarium Quality Filter Purity Pen Stick Meter 0-9990 ppm Measurement Range High Accuracy with Screwdriver and Calibration Solution Portable

    Digital TDS Tester Water Pool Aquarium Quality Filter Purity Pen Stick Meter 0-9990 ppm Measurement Range High Accuracy with Screwdriver and Calibration Solution Portable

    Features: Measurement range of 0-9990ppm and ±2% highly accurate and quick readings Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen Measurement Range:... more

    $13.99

    FREE shipping

    go to store
    APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

    APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

    Tds stand for TOTAL dissolved solids, which includes Salt, metal or mineral in the water. A tds meter is an easy to use hand-held digital meter to instantly check your overall water quality. It allows you to stay on top of your drinking water quality... more

    $18.99

    FREE shipping

    go to store
    JerGO TDS Meter Digital LCD Tester Water Quality Filter Purity Pen with Backlit LCD 0-9990 ppm

    JerGO TDS Meter Digital LCD Tester Water Quality Filter Purity Pen with Backlit LCD 0-9990 ppm

    Features: 1. 100% Brand new and high quality 2. This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics 3. Hold function: Saves measurements for convenient... more

    $8.99

    FREE shipping

    go to store

    More information about Fish Supplies

    Best prices on Hanna tds tester in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.