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
2329332: Wide Range pH Indicator Solution, 100 mL MDB Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
2769049: Hardness indicator solution, 0.5 L, 1 mg/L Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
8636300: High Range Hardness Chemkey Reagents (box of 25) Chemkeys 90 - 750 mg/L ChemKeys for Total Hardness-HR ChemKeys for Total Hardness-HR     Contact Hach
2589723-CA: CDTA Reagent, 30 mL SCDB 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow     Contact Hach
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
42649: Hardness 3 Solution, 500 mL Solution 1 - 30 gpg Powder Pillows EDTA   View Contact Hach
Solution 1 - 20 mg/L EDTA   View
Solution 1 - 20 gpg EDTA   View
Solution 1 - 30 gpg Bulk Powder 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
2241732: Alkali Solution for Calcium and Magnesium, 100 mL MDB Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View
2319900: Hardness Reagent Set, Calmagite Colorimetric Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View Contact Hach
Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric    
2695853: APA6000 Hardness Reagent 1, Indicator Solution (Calmagite), 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
20556: EDTA Standard Solution, 0.0200N, 4L Solution 0 - 25,000 mg/L CaCO3 8226 ManVer Buret Titration     Contact Hach
Solution 0 - 25,000 mg/L CACO3 8222 Buret Titration    
92899-CA: Hardness indicator reagent powder pillows, ManVer 2, 100 pieces, APHA Powder Pillows 0 - 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration     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
16232: Phenolphthalein Indicator Solution, 5 g/L, 100 mL MDB (APHA) Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
42549: Hardness 2 Solution, 500 mL Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 1 - 20 gpg EDTA   View
2696253: APA6000 Low Range Hardness Standard, 50 µg/L, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
27249: Water, Deionized, 500 mL Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
Solution 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
39532: Soap Solution, Hardness Demonstration, 100 mL MDB Solution 1 - 20 gpg as CaCO₃ Drop Count, Soap Demonstration Drop Count Titration   View Contact Hach
2794649: Hardness Indicator Solution, 0.3 mg/L, 500 mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
1481253: Hydrochloric Acid Standard Solution, 0.10 N, 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
28114H: CalVer 2 Calcium indicator, 113 g Jar 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View Contact Hach
21320H: UniVer 3 Hardness reagent, 28 g Jar 1 - 30 gpg Bulk Powder EDTA   View Contact Hach
28249: Potassium Hydroxide Standard Solution, 8.00 N, 500 mL Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration     Contact Hach
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
20253: Sulfuric Acid Standard Solution, 0.100 N (N/10), 1 L Solution 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
254049: Nitric Acid Solution, 1:1, 500 mL Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View
Solution 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
28014: ManVer 2 Hardness Indicator Powder, 113g Jar 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
S11M004: pH 7.000 Certified Reference Material CRM Buffer Standard Solution, 500 mL 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
28014: ManVer 2 Hardness Indicator Powder, 113g Jar 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View Contact Hach
Jar 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Jar 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View
Jar 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
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