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On Sale 10%
On Sale 10%HI782 Marine Nitrate High Range Checker - Hanna Instruments
Hanna Instruments$74.99$67.49The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors... -
On Sale 10%
On Sale 10%HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments
Hanna Instruments$74.99$67.49The Hanna Marine Alkalinity (dKH) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color... -
On Sale 15%
On Sale 15%Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert
Salifert$49.99$42.49The Salifert Core Alkalinity, Calcium, and Magnesium Combo Test Kit is a professional-grade testing suite designed specifically for reef aquarium hobbyists. This "Big 3" bundle provides the essential tools needed to monitor and maintain the chemical... -
Reef Foundation Pro Multi Test Kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity - Red Sea
Red Sea$79.99Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high... -
On Sale 15%
On Sale 15%Salifert Master Saltwater Reef Testing Combo Kit - Salifert
Salifert$99.99$84.99The Salifert Master Reef Testing Combo Kit is the ultimate all-in-one solution for serious reef hobbyists who want to maintain professional-level water chemistry. This comprehensive bundle includes six of Salifert’s most trusted... -
Trace Colors PRO - Multi Test Kit Iodine/Potassium/Iron - Red Sea
Red Sea$89.99It’s all in the balance Red Sea’s TRACE COLORS PRO Multi Test Kit includes advanced tests for the high accuracy measurement of Iodine, Potassium and Iron. All of these elements are associated with many biological... -
Algae Control Pro Multi Test Kit Nitrate/Phosphate - NO3/PO4 - Red Sea
Red Sea$79.99Red Sea’s Algae Control Pro Kit includes high accuracy colorimetric comparator tests for the exceptionally high accuracy measurement of nitrate and phosphate. The nitrate & phosphate tests are essential for the accurate dosing of Red... -
On Sale 10%
On Sale 10%Hanna Algae & Nutrient Management Kit w/Reagents - 774 ULR Phosphate, 782 HR Nitrate - Hanna Instruments
Hanna Instruments$169.99$152.99Keep your marine or reef aquarium pristine with this complete testing and reagent kit from Hanna Instruments. Designed for accuracy and ease, it combines ultra‑low‑range phosphate and high‑range nitrate handheld photometers with enough reagents to keep... -
On Sale 10%
On Sale 10%Marine Coral Care Kit w/Reagents (772 Alk, 758 Cal, 783 Mag) - Hanna Instruments
Hanna Instruments$194.99$175.49772 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. Critical to marine environments, alkalinity not only provides...