Hanna (HI3812) Hardness Kit 110 Test W-Case
Test Kit Performance
Hanna HI3812 Kit Specifications
| Model Number | HI3812 |
| Test Ranges | 0.0-30.0 mg/L (low), 0-300 mg/L (high) |
| Smallest Increment | 0.3 mg/L (low range), 3 mg/L (high range) |
| Chemical Method | EDTA complexometric titration |
| Number of Tests | 110 tests included |
| Included Reagents | Calmagite indicator, Hardness Buffer HI3812-0 |
| Weight | 460 g with case |
When to Use This Kit
The HI3812 is designed for regular monitoring of water hardness in residential, commercial, and industrial applications where calcium and magnesium control is critical. Use this kit to classify water on the standard hardness scale—from very soft (0-70 mg/L) through very hard (420+ mg/L)—to prevent scaling in boilers, cooling towers, reverse osmosis systems, and household plumbing. The dual-range capability makes it suitable for both softened water verification and untreated supply analysis. Hanna's EDTA titration method is recognized for accuracy in determining total hardness expressed as CaCO₃ equivalents.
Original: $107.16
-65%$107.16
$37.51Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Test Kit Performance
Hanna HI3812 Kit Specifications
| Model Number | HI3812 |
| Test Ranges | 0.0-30.0 mg/L (low), 0-300 mg/L (high) |
| Smallest Increment | 0.3 mg/L (low range), 3 mg/L (high range) |
| Chemical Method | EDTA complexometric titration |
| Number of Tests | 110 tests included |
| Included Reagents | Calmagite indicator, Hardness Buffer HI3812-0 |
| Weight | 460 g with case |
When to Use This Kit
The HI3812 is designed for regular monitoring of water hardness in residential, commercial, and industrial applications where calcium and magnesium control is critical. Use this kit to classify water on the standard hardness scale—from very soft (0-70 mg/L) through very hard (420+ mg/L)—to prevent scaling in boilers, cooling towers, reverse osmosis systems, and household plumbing. The dual-range capability makes it suitable for both softened water verification and untreated supply analysis. Hanna's EDTA titration method is recognized for accuracy in determining total hardness expressed as CaCO₃ equivalents.
