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On Sale 15%
On Sale 15%Marine Coral Care Kit w/Reagents (772 Alk, 758 Cal, 783 Mag) - Hanna Instruments
Hanna Instruments$194.99$165.74772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH... -
On Sale 15%
On Sale 15%Microfiber Cloth for Wiping Cuvettes - 4 (HI731318) - Hanna Instruments
Hanna Instruments$24.99$21.24HI731318 are microfiber cloths for wiping the cuvettes used in Checker HC (HI700 series) handheld colorimeters, photometers (HI96000 portable series and HI83000 benchtop series) and turbidity... -
On Sale 15%
On Sale 15%ORP/pH/Temperature Tester (HI98121) - Hanna Instruments
Hanna Instruments$239.99$203.99The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless... -
On Sale 15%
On Sale 15%pH 10.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
Hanna Instruments$17.20$14.62HI70010P 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... -
On Sale 15%
On Sale 15%pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$42.99$36.54HI70010P 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... -
On Sale 15%
On Sale 15%pH 10.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.72$1.46HI70010P 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... -
On Sale 15%
On Sale 15%pH 4 Buffer (500 ML) Bottle HI7004L - Hanna Instruments
Hanna Instruments$19.99$16.99This buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic. Traceable to NIST standards Available in bottles or... -
On Sale 15%
On Sale 15%pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
Hanna Instruments$17.20$14.62HI70004P 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... -
On Sale 15%
On Sale 15%pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$42.99$36.54HI70004P 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... -
On Sale 15%
On Sale 15%pH 4.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.72$1.46HI70004P 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... -
On Sale 15%
On Sale 15%pH 7.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
Hanna Instruments$17.20$14.62HI70007P 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... -
On Sale 15%
On Sale 15%pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments
Hanna Instruments$42.99$36.54HI70007P 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... -
On Sale 15%
On Sale 15%pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments
Hanna Instruments$1.72$1.46HI70007P 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... -
On Sale 15%
On Sale 15%PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments
Hanna Instruments$5.16$4.39HI70004P/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... -
On Sale 15%
On Sale 15%pH/Temperature Tester with 0.01 pH Resolution - pHep®5 (HI98128) - Hanna Instruments
Hanna Instruments$154.99$131.74Elevate your water testing with the Hanna Instruments HI98128 pHep®5, a high-precision, pocket-sized tester designed for professionals who demand laboratory-grade accuracy in the field. Combining... -
On Sale 15%
On Sale 15%pHep®+ Waterproof Pocket pH Tester with 0.01 pH Resolution (HI98108) - Hanna Instruments
Hanna Instruments$79.99$67.99The 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... -
On Sale 15%
On Sale 15%Professional Reef Digital Checker Kit - Hanna
Hanna Instruments$329.99$280.49Take the Guesswork Out of Your Reef Tank Maintenance with the Hanna Instruments Reef Professional Kit Achieve the stable and pristine water parameters your corals need to thrive with the Hanna... -
On Sale 15%
On Sale 15%Pure Water Tester (HI98308) - Hanna Instruments
Hanna Instruments$89.99$76.49The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization... -
On Sale 15%
On Sale 15%SaltwaterAquarium.com Parameter Tracking Notepad
Hanna Instruments$4.99$4.2450 Page Notepad for keeping tracking of your water testing and parameters. Includes suggested values. -
On Sale 15%
On Sale 15%Ultra Pure Water (UPW) Tester (HI98309) - Hanna Instruments
Hanna Instruments$109.99$93.49The Hanna Instruments HI98309 is a specialized, high-precision pocket tester designed specifically for monitoring the purity of deionized, distilled, and ultra-pure water. As the first pure water...