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
2241926: EDTA Solution, 1M, 50 mL SCDB Solution 10 - 4000 mg/L EDTA   View Contact Hach
28232H: Potassium Hydroxide Standard Solution, 8.00 N, 100 mL MDB Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
2349932: EDTA Standard Solution, 0.035N, 100 mL MDB Solution 20 - 400 mg/L EDTA   View Contact Hach
Solution 1 - 20 mg/L EDTA   View
2769049: Hardness indicator solution, 0.5 L, 1 mg/L Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
42649: Hardness 3 Solution, 500 mL Solution 1 - 30 gpg Powder Pillows EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
Solution 1 - 30 gpg Bulk Powder EDTA   View
Solution 1 - 20 mg/L EDTA   View
2768749: Hardness buffer solution for HACH SP510, 0.5l, 20 mg/l Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2695853: APA6000 Hardness Reagent 1, Indicator Solution (Calmagite), 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2696353: APA6000 Low Range Hardness Standard 5 mg/L, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2695753: APA6000 Hardness Reagent 2, Buffer Solution, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
42549: Hardness 2 Solution, 500 mL Solution 1 - 20 mg/L EDTA   View Contact Hach
2696253: APA6000 Low Range Hardness Standard, 50 µg/L, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
42549: Hardness 2 Solution, 500 mL Solution 1 - 20 gpg EDTA   View Contact Hach
2794649: Hardness Indicator Solution, 0.3 mg/L, 500 mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
21320H: UniVer 3 Hardness reagent, 28 g Jar 1 - 30 gpg Bulk Powder EDTA   View Contact Hach
2437800: Hardness (Total) Reagent Set for HA-71A Test Kit 1 - 20 mg/L EDTA   View Contact Hach
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