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Water Testing
Regularly testing your aquarium water is essential for keeping fish, corals, and other marine life healthy. At Aquarium Specialty, we offer only top-quality and accurate water testing solutions, including titration test kits from trusted brands like Elos, Salifert, Red Sea. For quick and precise results, explore our electronic testers from SenSafe, Hanna Instruments & HM Digital, or choose comprehensive ICP-OES water testing from Triton Labs for a full-panel analysis of your aquarium’s water quality.
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Hanna Instruments Checktemp 1 Digital Thermometer
$59.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Waterproof Pocket pH Tester wi... Waterproof Pocket pH Tester with 0.1 - pHep
$59.99Usually Ships In 2 - 3 Business Days -
Hanna High Range Manganese Colorimeter Ch... Range Manganese Colorimeter Checker HC
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Marine Ammonia Checker® Reage... Marine Ammonia Checker® Reagents (25 Tests)
$20.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI774-25 Phosphate Ultra Low R... HI774-25 Phosphate Ultra Low Range Reagents 2 PK
$36.00Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Marine HI97115UC Master Multiparamete... HI97115UC Master Multiparameter Photometer Kit
$449.95Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Marine Master Multiparameter P... Marine Master Multiparameter Photometer (ONLY PHOTOMETER)
$394.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI98319 Marine Salinity Tester
$89.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna HI772 Saltwater Aquarium Alkalinity ... Saltwater Aquarium Alkalinity (dKH) Checker
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI758 Calcium Checker Marine
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Magnesium Checker HC - Marine
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Marine Ammonia Checker HC - HI... Marine Ammonia Checker HC - HI784
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI717 Checker Phosphate High R... HI717 Checker Phosphate High Range
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI774 Phosphate Ultra Low Rang... HI774 Phosphate Ultra Low Range Marine Checker
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI713 Checker Phosphate Low Ra... HI713 Checker Phosphate Low Range
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI755 Alkalinity Checker Marin... HI755 Alkalinity Checker Marine (PPM)
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Checker Plus pH Tester HI98100
$59.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Hanna Instruments pHep®+ Pocket pH Tester with ... pHep®+ Pocket pH Tester with 0.01 pH Resolution
$69.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Digital Refractometer # HI96822
$249.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Glass Cuvettes and Caps for Ch... Glass Cuvettes and Caps for Checkers HC Colorimeters (set of 2)
$14.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments 35 ppt Salinity Calibration So... 35 ppt Salinity Calibration Solution Packs
Starting at: $10.00Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Magnesium Reagents HC - Marine
$24.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI775 Alkalinity Checker Fresh... HI775 Alkalinity Checker Fresh Water
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI97713 Phosphate Low Range Ph... HI97713 Phosphate Low Range Photometer
$334.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI781 Saltwater Nitrate Low Ra... HI781 Saltwater Nitrate Low Range Checker
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI782 Marine Nitrate High Rang... HI782 Marine Nitrate High Range Checker
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI736 Checker Phosphorus Ultra... HI736 Checker Phosphorus Ultra Low Range
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI706 Phosphorus High Range Ch... HI706 Phosphorus High Range Checker
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI764 Checker Colorimeter Nitr... HI764 Checker Colorimeter Nitrite Ultra Low Range
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Hanna HI700 Checker Ammonia Low Range Fres... Checker Ammonia Low Range Fresh Water
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI715 Checker Ammonia Medium R... HI715 Checker Ammonia Medium Range Fresh Water
$67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI771 Checker Chlorine Ultra H... HI771 Checker Chlorine Ultra High Range
$67.99Order by 3:30pm EST for Same Day Shipping (M-F)
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