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Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards

Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards
Hach is dedicated to providing high-quality reagents for routine and challenging water analysis. Understanding our customers applications has allowed us to formulate reagents that ensure exceptional performance and deliver trusted results. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. Our portfolio includes: TNT (Test ‘N Tube) Vials, TNTplus Vials, Permachem Powder Pillows, and Accuvac Ampules.
 
Browse Products by Parameter

Products: Hardness

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
Web Price
42532: ManVer Hardness 2 indicator solution, 100 mL MDB Solution 1 - 20 mg/L EDTA   View Contact Hach
Solution 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
27256: Water, deionised and demineralised, 4L Solution 100 - 200,000 mg/L CaCO³ 10253 Digital Titration EDTA, Calcium   View Contact Hach
2589599: Chlorophosphonazo Indicator Solution Pillows, pk/100 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow     Contact Hach
42532: ManVer Hardness 2 indicator solution, 100 mL MDB Solution 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
27256: Water, deionised and demineralised, 4L Solution 4 - 800 mg/L CaCO₃ AT1000 Total Hardness (Color) Total Hardness, Colorimetric     Contact Hach
42532: ManVer Hardness 2 indicator solution, 100 mL MDB Solution 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y View Contact Hach
Solution 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
Solution 1 - 20 gpg EDTA   View
1479442: Magnesium Standard Solution, 1000 mg/L as Mg (NIST), 100 mL Solution Hardness EDTA Standard Methods EDTA     Contact Hach
2876453: APA6000 Cleaning Solution, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
94799: CalVer 2 Calcium indicator reagent powder pillows, 100/pk Powder Pillows 1 - 20 gpg EDTA   View Contact Hach
Powder Pillows 10 - 4,000 mg/L CaCO3 8329 Digital Titration EDTA   View
Powder Pillows 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
Powder Pillows 1 - 20 mg/L EDTA   View
Powder Pillows 0 - 25,000 mg/L CaCO3 8338 Buret Titration Buret Titration    
2447200: Hardness (Calcium) Reagent Set, LR, Digital Titrator Digital Titrator 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View Contact Hach
42632: Hardness 3 test solution, 100 mL MDB Solution 1 - 30 gpg Bulk Powder EDTA   View Contact Hach
2448100: Hardness (Total) Reagent Set, HR, Digital Titrator Digital Titrator 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
6001900: Reagent Set for APA6000 Low Range Hardness Analyser 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2448100: Hardness (Total) Reagent Set, HR, Digital Titrator Digital Titrator 100 - 4,000 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA   View Contact Hach
42632: Hardness 3 test solution, 100 mL MDB Solution 1 - 20 mg/L EDTA   View Contact Hach
2448100: Hardness (Total) Reagent Set, HR, Digital Titrator Digital Titrator 100 - 200,000 mg/L CaCO³ 10247 Digital Titration EDTA, Total   View Contact Hach
42632: Hardness 3 test solution, 100 mL MDB Solution 1 - 30 gpg Powder Pillows 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
2769249: Hardness Indicator Solution, 5 - 100 mg/L, 500 mL 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: APA 6000 Hardness reagent 2, buffer solution, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2447600: Hardness (Total) Reagent Set, Buret, LR 0 - 2,500 mg/L CaCO₃ 8226 ManVer Buret Titration Y 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
2589723: CDTA Reagent, 30 mL SCDB 8 - 1,000 µg/L CaCO3 8374 Chlorophosphonazo Colorimetric, Solution Pillow     Contact Hach
S11M007: pH 10.012 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL 20 - 720 mg/L CaCO₃ AT1000 Total Hardness Automatic Titrator Method     Contact Hach
2305442: Calcium Standard Solution, 10 mg/L, 100 mL Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View Contact Hach
1436401: TitraVer EDTA Digital Titrator Cartridge, 0.0800 M Digital Titrator 10 - 160 mg/L CaCO3 8213 Digital Titration Digital Titration using EDTA Y   Contact Hach
Digital Titrator 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Digital Titrator 10 - 4,000 mg/L as CaCO₃ 8213 Digital Titration Digital Titration using EDTA   View
Digital Titrator 10 - 160 mg/L CaCO3 8329 Digital Titration EDTA   View
2241732: Alkali solution for colorimetric hardness, 100 mL Solution 0.05 - 4.00 mg/L Ca and Mg as CaCO3 8030 Ca & Mg Calmagite Colorimetric Calmagite Colorimetric     Contact Hach
2241832: Calcium / Magnesium indicator solution, 100 mL 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
2241732: Alkali solution for colorimetric hardness, 100 mL Solution 0 - 4.00 mg/L Ca and Mg as CaCO3 8030 DR800 Ca & Mg Calmagite Colorimetric   View 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
2768549: SP510 Hardness Buffer Solution (0.3, 1, 2, 5 mg/L) Hardness buffer solution, 500mL Hardness EDTA (SP510) 0.3-100mg/L Hardness EDTA     Contact Hach
2229726: EGTA solution, 50 mL 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    
85299: CalVer 2 Calcium indicator powder pillows, 50 mL sample (100 pcs) Powder Pillows 0 - 25,000 mg/L CACO3 8222 Buret Titration     Contact Hach
Powder Pillows 10 - 4,000 mg/L as CaCO₃ 8204 Calcium Hardness Digital Titration EDTA   View
Powder Pillows 100 - 25,000 mg/L CaCO₃ 8222 Buret Titration    
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