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
ZAR Price
2696353: APA6000 Low Range Hardness Standard 5 mg/L, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2298504: Alkali Buffer for Brine (pk/4) 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
2696253: APA6000 Low Range Hardness Standard, 50 µg/L, 1 L 0.5 - 10 mg/L as CaCO₃ EDTA     Contact Hach
42649: Hardness 3 solution, 500 mL Solution 1 30 gpg Powder Pillows EDTA   View Contact Hach
2437900: Reagent set, hardness (total), 5-EP test kit 1 30 gpg Powder Pillows EDTA   View Contact Hach
21301H: UniVer 3 Hardness reagent, 454 g Jar 1 30 gpg Bulk Powder EDTA   View Contact Hach
13224: Eriochrome black T, 25 g Jar Hardness EDTA Standard Methods EDTA     Contact Hach
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