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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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Milwaukee PH56 PRO Waterproof 2-in-1 pH/Temp ... PRO Waterproof 2-in-1 pH/Temp Tester with Replaceable Probe
$125.05Usually Ships in 2 - 3 Weeks -
Hanna Instruments HI 98128 pH Pocket Tester
Special Price $139.99 Regular Price $139.99OUT OF STOCK -
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Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/T... MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Replaceable Probe
$211.60Usually Ships in 2 - 3 Weeks -
Salifert PH Test Kit
Special Price $9.46 Regular Price $9.46Order by 3:30pm EST for Same Day Shipping (M-F) -
Two Little Fishies AccuraSea Seawater Ref... Fishies AccuraSea Seawater Reference Solution 250 ml
Special Price $11.99 Regular Price $11.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Red Sea Potassium Pro Test Kit
Special Price $45.95 Regular Price $45.95Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Marine Nitrate High Range Checker® R... Nitrate High Range Checker® Reagents (25 Tests)
Special Price $20.99 Regular Price $20.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Milwaukee ORP57 PRO Waterproof ORP/Temperature... PRO Waterproof ORP/Temperature Tester with Replaceable Probe
$114.99Usually Ships in 2 - 3 Weeks -
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Hanna Instruments HI770 Checker Silica High Range
Special Price $67.99 Regular Price $67.99Special Order -
Red Sea Coral Colors Test Kit I2/K/Fe
Special Price $84.99 Regular Price $84.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI721 Checker Iron Free Range
Special Price $67.99 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI711 Total Chlorine Checker
Special Price $67.99 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI701 Free Chlorine Checker
Special Price $67.99 Regular Price $67.99Order by 3:30pm EST for Same Day Shipping (M-F) -
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SenSafe eXact iDip 570nm Smart Photometer Ma... iDip 570nm Smart Photometer Marine Starter Kit
$339.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI764-25 Nitrite Checker Ultra... HI764-25 Nitrite Checker Ultra Low Range Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI767-25 Nitrite Low Range Re... HI767-25 Nitrite Low Range Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI770-25 Reagents Silica High ... HI770-25 Reagents Silica High Range
Special Price $54.99 Regular Price $54.99Special Order -
Hanna Instruments HI755-26 Liquid Reagents Alkal... HI755-26 Liquid Reagents Alkalinity
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI772-26 Marine Alkalinity Che... HI772-26 Marine Alkalinity Checker® HC Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI701-25 Free Chlorine Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Copper High Range Checker® Re... Copper High Range Checker® Reagents (25 Tests)
Special Price $16.00 Regular Price $16.00OUT OF STOCK -
Hanna Instruments HI747-25 Copper Low Range HC R... HI747-25 Copper Low Range HC Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI775-26 Reagents Alkalinity -... HI775-26 Reagents Alkalinity - Fresh Water
Special Price $27.00 Regular Price $27.00Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI758-26 Marine Calcium Checke... HI758-26 Marine Calcium Checker Reagents
Special Price $25.19 Regular Price $25.19Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments Saltwater Nitrate Low Range Ch... Saltwater Nitrate Low Range Checker Reagents
Special Price $20.99 Regular Price $20.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI708-25 Nitrite High Range Ch... HI708-25 Nitrite High Range Checker Reagents (25 tests)
Special Price $24.99 Regular Price $24.99OUT OF STOCK -
Hanna Instruments Phosphate Low Range Reagents 2... Phosphate Low Range Reagents 25 tests
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI93713-01 Phosphate Low Range... HI93713-01 Phosphate Low Range Reagent
Special Price $44.99 Regular Price $44.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI717-25 Phosphate High Range ... HI717-25 Phosphate High Range Checker Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna HI700-25 Fresh Water Ammonia Reagents L... Fresh Water Ammonia Reagents Low Range
Special Price $18.99 Regular Price $18.99Order by 3:30pm EST for Same Day Shipping (M-F) -
Hanna Instruments HI715-25 Freshwater Ammonia Re... HI715-25 Freshwater Ammonia Reagents Medium Range
Special Price $29.99 Regular Price $29.99Factory Direct - Usually Ships Out Within 3-4 Days -
Hanna Instruments HI93707-01 Nitrite Low Range R... HI93707-01 Nitrite Low Range Reagent Kit
Special Price $44.99 Regular Price $44.99Factory Direct - Usually Ships Out Within 3-4 Days -
Hanna Instruments HI774-25 Phosphate Ultra Low R... HI774-25 Phosphate Ultra Low Range Reagents
Special Price $17.99 Regular Price $17.99Order by 3:30pm EST for Same Day Shipping (M-F)
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