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pH

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  • HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    Hanna Instruments

    $38.00
    The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,...
  • Master Liquid Test Kit - Fritz Aquatics

    Master Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $36.74
    Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in...
  • pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70007P is a premium quality pH 7.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...
  • pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70004P is a premium quality pH 4.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...
  • pH/Alkalinity Marine Test Kit - Red Sea

    pH/Alkalinity Marine Test Kit - Red Sea

    Red Sea

    $23.99
    Easily and accurately test the pH and Alkalinity in your saltwater aquarium with the Red Sea pH/Alkalinity Test Kit. Maintaining proper alkalinity and pH in your reef tank is key to a successful reef tank.   Each kit includes: 100 pH...
  • Reef Buffer (1KG) - Seachem

    Reef Buffer (1KG) - Seachem

    Seachem

    $23.16
    Reef Buffer™ will also raise carbonate alkalinity; however, it is intended primarily for use as a buffer in a reef system where the maintenance of a pH of 8.3 is often difficult. When pH is not an issue, Reef Builder™ or Reef Carbonate™...
  • Marine Buffer (1 KG) - Seachem

    Marine Buffer (1 KG) - Seachem

    Seachem

    $23.16
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • pH600 pH Economical Pocket Tester - Milwaukee

    pH600 pH Economical Pocket Tester - Milwaukee

    Milwaukee Instruments

    $22.00
    Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee...
  • HI1271 Replacement Spare pH Electrode for HI98100 - Hanna Instruments

    HI1271 Replacement Spare pH Electrode for HI98100 - Hanna Instruments

    Hanna Instruments

    $21.00
    The HI1271 is the replacement pH electrode for the HI98100, HI98103, and HI98115 Checker pH meters. The HI1271 is a single junction pH electrode that has a slim 8 mm polypropylene body that easily fits into test tube and other small sized vessels...
  • Marine (pH) Test Kit - Elos

    Marine (pH) Test Kit - Elos

    ELOS

    $16.50
    The pH-value or acid value indicates how acidic or alkaline water is. It is a measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will react neutral and has a pH-value of 7. If the acidic components are...
  • Ammonia & pH Alert Combo 2 Pack (1 Year) Freshwater - Seachem

    Ammonia & pH Alert Combo 2 Pack (1 Year) Freshwater - Seachem

    Seachem

    $16.22
    No strips, no tests, just constant readings. Now Ammonia Alert and pH Alert come together! Ammonia Alert and pH Alert employ Seachem Sensor Technology; a sensor changes color reversibly to alert you to shifts in ammonia levels and shifts in pH...
  • Electrode Cleaning Solution (500 ml)  HI7061L  - Hanna Instruments

    Electrode Cleaning Solution (500 ml) HI7061L - Hanna Instruments

    Hanna Instruments

    $15.00
    HI7061L is a general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna’s cleaning solutions eliminate...
  • Electrode Storage Solution for pH/ORP (500 mL)  HI70300L  - Hanna Instruments

    Electrode Storage Solution for pH/ORP (500 mL) HI70300L - Hanna Instruments

    Hanna Instruments

    $15.00
    HI70300L is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH...
  • pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    Hanna Instruments

    $14.39
    HI70007P is a premium quality pH 7.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...
  • pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    Hanna Instruments

    $14.39
    HI70004P is a premium quality pH 4.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...
  • pH or ORP/REDOX Probe Storage Solution - American Marine

    pH or ORP/REDOX Probe Storage Solution - American Marine

    American Marine

    $13.95
    This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip properly moist and extend the life of your probe during storage (60 mL).
  • Electrode Storage Solution for pH/ORP (230 ml)  HI70300M  - Hanna Instruments

    Electrode Storage Solution for pH/ORP (230 ml) HI70300M - Hanna Instruments

    Hanna Instruments

    $13.00
    HI70300M is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH...
  • Marine Buffer (500 Gm) - Seachem

    Marine Buffer (500 Gm) - Seachem

    Seachem

    $12.75
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • pH Test Kit (100 Tests) - ASF

    pH Test Kit (100 Tests) - ASF

    ASF

    $12.39
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear...
  • MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee

    MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee

    Milwaukee Instruments

    $12.00
    pH/ORP electrode storage solution. To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of MA9015 storage solution in the protective cap.
  • PINPOINT® AC Adapter Kit 110 VAC - American Marine

    PINPOINT® AC Adapter Kit 110 VAC - American Marine

    American Marine

    $11.95
    PINPOINT® AC Adapter Kit (available in 110 VAC of 220 VAC) is optional to replace the 9-volt battery, which some monitor owners find convenient when monitoring full time. This AC Kit now contains special electronic filtering to avoid electrical...
  • pH Test Kit - Salifert

    pH Test Kit - Salifert

    Salifert

    $10.92
    If the pH is too low then the cause may be a too low alkalinity and/or insufficient aeration. A low pH can be corrected by improving aeration and by increasing the alkalinity to NSW (Natural seawater) value or upto approx 25% above NSW levels. The...
  • pH Electrode Storage Solution - HM Digital

    pH Electrode Storage Solution - HM Digital

    HM Digital

    $9.99
    PH storage solution for HM Digital’s PH-200 / PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be...
  • 10.00 pH Calibration Fluid (5 Pack) - Neptune Systems

    10.00 pH Calibration Fluid (5 Pack) - Neptune Systems

    Neptune Systems

    $9.99
    Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...
  • 7.00 pH Calibration Fluid (5 Pack) - Neptune Systems

    7.00 pH Calibration Fluid (5 Pack) - Neptune Systems

    Neptune Systems

    $9.99
    Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...
  • High Range pH Test Kit (160 Tests) - API

    High Range pH Test Kit (160 Tests) - API

    API

    $9.48
    High Range pH Test Kit The API® High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API® High Range pH Test Kit reads the pH of water within the high range of 7.4...
  • Wide Range pH Liquid Test Kit (Up to 250 Tests) - Fritz Aquatics

    Wide Range pH Liquid Test Kit (Up to 250 Tests) - Fritz Aquatics

    Fritz Aquatics

    $8.62
    Convienent Wide Range - 5.0 to 9.0 Works in Fresh and Saltwater Easy to Read Results About Fritz Liquid Test Kits - Wide Range pH Testing the pH of your aquarium water regularly to make proper adjustments is crucial to keep your...
  • PH Alert (6 Month) -  SeaChem

    PH Alert (6 Month) - SeaChem

    Seachem

    $8.10
    pH Alert Product Description pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.2. No tests, no strips,...
  • Neutral Regulator (250g) - Seachem

    Neutral Regulator (250g) - Seachem

    Seachem

    $8.00
    Neutral Regulator™ adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium and magnesium while removing any chlorine, chloramine, or ammonia. The use of Neutral Regulator™...
  • Reef Buffer (250g) - Seachem

    Reef Buffer (250g) - Seachem

    Seachem

    $7.47
    Reef Buffer™ will also raise carbonate alkalinity; however, it is intended primarily for use as a buffer in a reef system where the maintenance of a pH of 8.3 is often difficult. When pH is not an issue, Reef Builder™ or Reef Carbonate™...
  • Marine Buffer (250 Gm) - Seachem

    Marine Buffer (250 Gm) - Seachem

    Seachem

    $7.47
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)  - Neptune Systems

    Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) - Neptune Systems

    Neptune Systems

    $5.95
    Neptune Systems single-use pH calibration packets make calibrating your probes simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  This kit contains One each of PH 7, PH 10,...
  • PINPOINT pH 4.0 Calibration Fluid (5 Pack)

    PINPOINT pH 4.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
  • PINPOINT pH 10.0 Calibration Fluid (5 Pack)

    PINPOINT pH 10.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
  • PINPOINT pH 7.0 Calibration Fluid (5 Pack)

    PINPOINT pH 7.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
  • PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments

    PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments

    Hanna Instruments

    $5.75
    HI70004P/H17007P/HI0010P are premium quality pH 4.01/7.01/10.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line...