null

pH

Filters
  • 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,...
  • 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,...
  • pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments

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

    Hanna Instruments

    $1.49
    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...
  • On Sale 15%
    PINPOINT pH Probe Lab Grade Double Junction - American Marine
    On Sale 15%

    PINPOINT pH Probe Lab Grade Double Junction - American Marine

    American Marine

    $39.99
    $33.99
    The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design.  The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture...
  • pH 10.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments

    pH 10.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments

    Hanna Instruments

    $1.49
    HI70010P is a premium quality pH 10.01 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...
  • 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...
  • 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...
  • On Sale 15%
    PINPOINT pH 7.0 Calibration Fluid (5 Pack)
    On Sale 15%

    PINPOINT pH 7.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    $5.06
    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 4.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments

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

    Hanna Instruments

    $1.49
    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...
  • 10.00 pH Calibration Fluid (Single Pack) - Neptune Systems

    10.00 pH Calibration Fluid (Single Pack) - Neptune Systems

    Neptune Systems

    $1.95
    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...
  • 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...
  • 7.00 pH Calibration Fluid (Single Pack) - Neptune Systems

    7.00 pH Calibration Fluid (Single Pack) - Neptune Systems

    Neptune Systems

    $1.95
    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...
  • On Sale 15%
    Pinpoint pH Calibration Fluid Kit - pH 4.0, 7.0, 10.0 - American Marine
    On Sale 15%

    Pinpoint pH Calibration Fluid Kit - pH 4.0, 7.0, 10.0 - American Marine

    American Marine

    $4.95
    $4.21
    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...
  • On Sale 15%
    PINPOINT pH 10.0 Calibration Fluid (5 Pack)
    On Sale 15%

    PINPOINT pH 10.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    $5.06
    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...
  • 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...
  • 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...
  • 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...
  • On Sale 15%
    pH Test Kit - Salifert
    On Sale 15%

    pH Test Kit - Salifert

    Salifert

    $10.92
    $9.28
    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...
  • On Sale 15%
    Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com
    On Sale 15%

    Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com

    SaltwaterAquarium

    $24.99
    $21.24
    Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to...
  • 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...
  • 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...
  • On Sale 15%
    PINPOINT pH 4.0 Calibration Fluid (5 Pack)
    On Sale 15%

    PINPOINT pH 4.0 Calibration Fluid (5 Pack)

    American Marine

    $5.95
    $5.06
    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...
  • On Sale 15%
    Ammonia & pH Alert Combo 2 Pack (1 Year) Freshwater - Seachem
    On Sale 15%

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

    Seachem

    $16.22
    $13.79
    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...
  • pH 10.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    pH 10.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments

    Hanna Instruments

    $14.39
    HI70010P is a premium quality pH 10.01 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...
  • On Sale 15%
    Reef Buffer (1KG) - Seachem
    On Sale 15%

    Reef Buffer (1KG) - Seachem

    Seachem

    $23.16
    $19.69
    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™...
  • On Sale 15%
    MA911B/2 pH Electrode/Probe - Milwaukee
    On Sale 15%

    MA911B/2 pH Electrode/Probe - Milwaukee

    Milwaukee Instruments

    $38.99
    $33.14
    Replacement double junction pH electrode for Milwaukee pH meter or pH/CO2 meter. BNC connector.
  • 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 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...
  • On Sale 15%
    Marine Buffer (1 KG) - Seachem
    On Sale 15%

    Marine Buffer (1 KG) - Seachem

    Seachem

    $23.16
    $19.69
    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...
  • 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...
  • On Sale 15%
    Reef Buffer (250g) - Seachem
    On Sale 15%

    Reef Buffer (250g) - Seachem

    Seachem

    $7.47
    $6.35
    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™...
  • On Sale 15%
    Marine (pH) Test Kit - Elos
    On Sale 15%

    Marine (pH) Test Kit - Elos

    ELOS

    $16.50
    $14.03
    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...
  • 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...
  • HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

    HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

    Hanna Instruments

    $1.56
    ONE Single 20 mL pack HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...
  • On Sale 15%
    Marine Buffer (500 Gm) - Seachem
    On Sale 15%

    Marine Buffer (500 Gm) - Seachem

    Seachem

    $12.75
    $10.84
    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...
  • On Sale 15%
    PH Alert (6 Month) -  SeaChem
    On Sale 15%

    PH Alert (6 Month) - SeaChem

    Seachem

    $8.10
    $6.89
    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,...
  • On Sale 15%
    Neutral Regulator (250g) - Seachem
    On Sale 15%

    Neutral Regulator (250g) - Seachem

    Seachem

    $8.00
    $6.80
    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™...