Calcium Chloride vs Magnesium Chloride: Which Is the Better Deicer?
2. Summary Answer
3. Comparison of Calcium Chloride and Magnesium Chloride
3.1 Effectiveness
3.2 Environmental Impact
3.3 Cost
4. Conclusion
5. FAQ
Winter can be tough. Snow and ice make roads dangerous. Choosing the right deicer is important for safety and efficiency. Calcium Chloride and Magnesium Chloride are two popular options. But which one is better? This article explores their effectiveness, environmental impact, and costs. Understanding these can help you make an informed choice. Calcium Chloride Dihydrate is often mentioned as a top deicing solution. It helps keep surfaces safe during the cold months.
**Calcium Chloride is generally considered the better deicer compared to Magnesium Chloride. It works faster in extreme cold and has a lower environmental impact. However, it is usually more expensive. Choose based on your specific needs.**
- **Calcium Chloride:** It operates effectively in temperatures as low as -25°F (-31°C). It melts ice and snow quickly, making it useful for heavy storms. - **Magnesium Chloride:** It works well down to about 5°F (-15°C). While it is effective, it takes longer to melt ice.
- **Calcium Chloride:** It can cause damage to plants and concrete over time if not used properly. However, it is less harmful than many traditional salts. - **Magnesium Chloride:** It is known for being less corrosive than Calcium Chloride. It is also less likely to harm vegetation, making it a more environmentally friendly option.
- **Calcium Chloride:** This option is generally more expensive. However, its potency means you may use less overall. - **Magnesium Chloride:** It tends to be cheaper but may require more to achieve the same results as Calcium Chloride.
A 2022 study found that Calcium Chloride is effective in melting over 90% of the ice within 30 minutes, while Magnesium Chloride achieved a lower rate of about 70% under similar conditions.
In conclusion, both Calcium Chloride and Magnesium Chloride have their strengths and weaknesses. **Calcium Chloride** is more effective in colder temperatures and melts ice faster. However, it is costlier. **Magnesium Chloride** offers a gentler option on the environment but may take longer to work. Ultimately, your choice will depend on your specific needs and budget.
Q1: Can I mix Calcium Chloride and Magnesium Chloride?
A: It's not recommended as they can interact and reduce their efficiency. Q2: Is Calcium Chloride safe for pets?
A: While it can be, it is advisable to rinse pets' paws after they walk on treated surfaces to prevent irritation. Q3: How should I store Calcium Chloride?
A: Keep it in a cool, dry place, tightly sealed to prevent moisture absorption. Q4: Does Magnesium Chloride leave residue?
A: It tends to leave less residue compared to Calcium Chloride, which can be beneficial for both concrete and vegetation. Q5: How do I apply these deicers?
A: Pour directly onto surfaces before snow falls for best results, or after snow accumulation to melt it away.