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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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Seachem Laboratories pH Alert 6 Month Monitor
Special Price $6.28 Regular Price $7.39Order by 3:30pm EST for Same Day Shipping (M-F) -
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Hanna Instruments Magnesium Reagents HC - Marine
Special Price $19.99 Regular Price $24.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Alkalinity KH Pro Test Kit
Special Price $36.95 Regular Price $41.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Biotek Marine Salinity Refractometer With LE... Salinity Refractometer With LED Light
Special Price $32.99 Regular Price $47.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Biotek Marine Salinity Refractometer
Special Price $29.00 Regular Price $41.99Order by 3:30pm EST for Same Day Shipping (M-F) -
HM DIGITAL SAL-1700 SALINITY & TEMPER... SAL-1700 SALINITY & TEMPERATURE TESTING PEN
$69.99Order by 3:30pm EST for Same Day Shipping (M-F) -
IceCap Salinity/Temperature Digital Pocket Tester Version 3
$87.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI775 Alkalinity Checker Fresh... HI775 Alkalinity Checker Fresh Water
Special Price $54.39 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Red Sea ph/Alkalinity Test Kit
Special Price $19.35 Regular Price $21.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Alkalinity Test Kit Reagent Re... Alkalinity Test Kit Reagent Refill
Special Price $21.99 Regular Price $24.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Calcium Pro Test Kit
Special Price $34.31 Regular Price $38.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Calcium Test Kit Reagent Refill
Special Price $21.99 Regular Price $24.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Magnesium Test Kit MG
Special Price $36.95 Regular Price $41.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Magnesium Pro Test Kit Reagent... Magnesium Pro Test Kit Reagent Refill
Special Price $21.99 Regular Price $24.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Hanna Instruments HI97713 Phosphate Low Range Ph... HI97713 Phosphate Low Range Photometer
Special Price $267.99 Regular Price $334.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Red Sea Phosphate Pro Test Kit
Special Price $48.39 Regular Price $54.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Phosphate Pro Test Refill 100 ... Phosphate Pro Test Refill 100 tests
Special Price $25.51 Regular Price $28.99OUT OF STOCK -
Red Sea Phosphate Test Kit
Special Price $25.51 Regular Price $28.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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Hanna Instruments HI781 Saltwater Nitrate Low Ra... HI781 Saltwater Nitrate Low Range Checker
Special Price $54.39 Regular Price $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
Special Price $54.39 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Salifert Nitrate Test Kit
Special Price $14.01 Regular Price $16.48Order by 3:30pm EST for Same Day Shipping (M-F) -
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Red Sea Nitrate Pro Test Kit NO3
Special Price $44.87 Regular Price $50.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Nitrate Pro Test Kit Reagent R... Nitrate Pro Test Kit Reagent Refill
Special Price $25.51 Regular Price $28.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI736 Checker Phosphorus Ultra... HI736 Checker Phosphorus Ultra Low Range
Special Price $54.39 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI706 Phosphorus High Range Ch... HI706 Phosphorus High Range Checker
Special Price $54.39 Regular Price $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
Special Price $54.39 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F)
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