Chemistries, Reagents and Standards

Chemistries, Reagents and Standards
Hach® has more than 60 years of history dedicated to formulating and packaging high-quality reagents for water analysis. We understand your applications and formulate our reagents to ensure exceptional performance and deliver results you can trust, time after time. Our expertise extends beyond chemistry formulation to the complete reagent system. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. No other company can offer these advantages.
 
Browse Products by Parameter

Products: Hardness

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
CAD Price
21301H: UniVer 3 Hardness reagent, 454 g Jar 1 - 30 gpg Powder Pillows EDTA   View Contact Hach
Jar 1 - 30 gpg Bulk Powder EDTA   View
Jar 20 - 400 mg/L EDTA   View
2768849: Hardness Buffer Solution, 500 mL, 50 mg/L Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2225053: Hardness indicator solution for HACH SP510, 1l, 2 mg/l Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2311149: Hardness Buffer Solution, Aminoethanol, 500 mL Solution Hardness EDTA Standard Methods EDTA     Contact Hach
1479442: Magnesium Standard Solution, 1000 mg/L as Mg (NIST), 100 mL Solution Hardness EDTA Standard Methods EDTA     Contact Hach
47949: Hardness Solution, 20 gpg (340 mg/L)/2 mg/L Iron, 500 mL Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
2883702: UniVer 3 Hardness Reagent, 454 g with scoop 1 - 30 gpg Bulk Powder EDTA   View Contact Hach
2298504: Alkali Buffer for Brine (Pack of 4) 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2429104: APA6000 Process pH electrolyte 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2437900: Hardness (Total) Reagent Set for 5-EP Test Kit 1 - 30 gpg Powder Pillows EDTA   View Contact Hach
2255453: Hardness indicator solution for HACH SP510, 1l, 1 mg/l Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2224753: Hardness buffer solution for HACH SP510, 1l, 20 mg/l Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2883702: UniVer 3 Hardness Reagent, 454 g with scoop 20 - 400 mg/L EDTA   View Contact Hach
218710-CA: Calcium Hardness Standard Solution, 10000 mg/L CaCO₃ (NIST), 16 x 10 mL Ampules Solution 20 - 400 mg/L EDTA   View Contact Hach
2689800-CA: CEL Basic Drinking Water Laboratory - Replacement Reagent Set 20 - 400 mg/L EDTA   View
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