Neptune Systems Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) - Neptune Systems $6.85 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,... Add to Cart
Hanna Instruments HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments $34.00 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,... Add to Cart
Hanna Instruments pH 7.01 Calibration Buffer 20 ml (Single Pack) - 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... Add to Cart
Red Sea MCP Test Kit Marine Master Care - Red Sea $74.99 Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of... Add to Cart
Hanna Instruments Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments $48.00 The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device... Add to Cart
American Marine PINPOINT pH Probe Lab Grade Double Junction - American Marine $39.99 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... Add to Cart
Hanna Instruments Electrode Storage Solution for pH/ORP (230 ml) HI70300M - 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... Add to Cart
Hanna Instruments PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - 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... Add to Cart
Hanna Instruments pH 10.01 Calibration Buffer 20 ml (Single Pack) - 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... Add to Cart
Hanna Instruments Electrode Storage Solution for pH/ORP (500 mL) HI70300L - 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... Add to Cart
American Marine PINPOINT pH 7.0 Calibration Fluid (5 Pack) $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... Add to Cart
Hanna Instruments Checker Plus pH Tester (HI98100) Plus - Hanna Instruments $48.00 The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has... Add to Cart
Hanna Instruments pH 4.01 Calibration Buffer 20 ml (Single Pack) - 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... Add to Cart
Neptune Systems 10.00 pH Calibration Fluid (Single Pack) - 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... Add to Cart
Neptune Systems 7.00 pH Calibration Fluid (Single Pack) - 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... Add to Cart
American Marine Pinpoint pH Calibration Fluid Kit - pH 4.0, 7.0, 10.0 - American Marine $4.95 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... Add to Cart
American Marine PINPOINT pH 10.0 Calibration Fluid (5 Pack) $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... Add to Cart
Hanna Instruments Electrode Cleaning Solution (500 ml) HI7061L - 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... Add to Cart
Neptune Systems 7.00 pH Calibration Fluid (5 Pack) - Neptune Systems $9.75 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... Add to Cart
Neptune Systems 10.00 pH Calibration Fluid (5 Pack) - Neptune Systems $9.75 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... Add to Cart
Salifert pH Test Kit - 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... Add to Cart
Hanna Instruments HI780 Saltwater pH Checker - Hanna Instruments $63.95 Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores easily in your shop. Easier to... Add to Cart
SaltwaterAq Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com $24.99 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... Add to Cart
American Marine PINPOINT pH 4.0 Calibration Fluid (5 Pack) $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... Add to Cart
Hanna Instruments pH 7.01 Calibration Buffer 20 ml (Pack of 10) - 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... Add to Cart
Hanna Instruments HI1271 Replacement Spare pH Electrode for HI98100 - 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... Add to Cart
Seachem Ammonia & pH Alert Combo 2 Pack (1 Year) Freshwater - Seachem $14.99 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... Add to Cart
Hanna Instruments HI7007L 7.01 pH Calibration Buffer Solution, (500 ml) Bottle - Hanna Instruments $21.00 HI7007 is a premium quality pH 7.01 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a... Add to Cart
Hanna Instruments pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution (HI98108) - Hanna Instruments $58.00 The HI98108 pHep+® pH tester provides high accuracy measurements in a rugged pocket-sized design. This ph tester features an exposed temperature sensor for automatic temperature compensated readings. The simple, two-button operation and large... Add to Cart
Hanna Instruments pH 10.01 Calibration Buffer 20 ml (Pack of 10) - 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... Add to Cart
Seachem Reef Buffer (1KG) - Seachem $22.06 $23.99 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™... Add to Cart
Milwaukee Instruments MA911B/2 pH Electrode/Probe - Milwaukee $38.99 Replacement double junction pH electrode for Milwaukee pH meter or pH/CO2 meter. BNC connector. Add to Cart
Hanna Instruments pH 4.01 Calibration Buffer 20 ml (Pack of 10) - 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... Add to Cart
Seachem Marine Buffer (1 KG) - Seachem $22.06 Marine Buffer™ will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer™ is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. Such... Add to Cart
ELOS Marine (pH) Test Kit - 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... Add to Cart
Hanna Instruments pH 7.01 Calibration Buffer 20 ml (Pack of 25) - 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... Add to Cart
Seachem Reef Buffer (250g) - Seachem $7.12 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™... Add to Cart
API High Range pH Test Kit (160 Tests) - 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... Add to Cart
Red Sea pH/Alkalinity Marine Test Kit - 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... Add to Cart
Seachem Marine Buffer (500 Gm) - Seachem $12.13 Marine Buffer™ will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer™ is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. Such... Add to Cart
Hanna Instruments pH 4.01 Calibration Buffer 20 ml (Pack of 25) - 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... Add to Cart
American Marine pH or ORP/REDOX Probe Storage Solution - 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). Add to Cart
Hanna Instruments pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments $29.00 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... Add to Cart
Seachem Neutral Regulator (250g) - Seachem $7.61 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™... Add to Cart
Seachem PH Alert (6 Month) - SeaChem $7.71 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,... Add to Cart
Milwaukee Instruments MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee $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. Add to Cart
Milwaukee Instruments pH600 pH Economical Pocket Tester - Milwaukee $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... Add to Cart
American Marine PINPOINT® AC Adapter Kit 110 VAC - 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... Add to Cart
HM Digital Waterproof pH/Temp Meter - HM Digital $79.95 Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee,... Add to Cart
Seachem Marine Buffer (250 Gm) - Seachem $7.12 Marine Buffer™ will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer™ is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. Such... Add to Cart
Milwaukee Instruments pH55 Waterproof Pocket PH/Temp Tester - Milwaukee $64.00 IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.0 to 16.0 pH and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to... Add to Cart
Hanna Instruments HI50021P Calibration Check Solution 20 mL (Single Pack) - 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... Add to Cart
Tropic Marin Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin $56.97 The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as well as the ammonia concentration of the... Add to Cart
Seachem Marine Buffer (4 KG) - Seachem $74.99 Marine Buffer™ will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer™ is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. Such... Add to Cart
HM Digital pH Electrode Storage Solution - 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... Add to Cart
Hanna Instruments HI50021P Calibration Check Solution for HI9813-6 20 mL (25 Pack) - Hanna Instruments $39.00 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 freshness each time one... Add to Cart
ASF pH Test Kit (100 Tests) - 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... Add to Cart