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Storm glass is a stylish and cute piece of interior decor whose crystals change appearance depending on the weather. The materials can be found at drugstores, so many people enjoy making their own.
However, there are many people who are worried that the appearance never changes no matter how long they wait. However, this may not be due to a defective product, but rather to the mechanism of the storm glass itself.
This time, we will introduce the causes and solutions when the appearance of your storm glass does not change. Please check it out before you get disappointed and think you have received a defective product.
How Storm Glass changes appearance
First, let's briefly review how storm glass crystals form. The liquid part of storm glass is made up of a mixture of multiple chemicals.
- Wed
- ethanol
- Camphor
- Potassium nitrate
- Ammonium chloride
Of these, camphor makes up the majority of the crystals. Like sugar and alum, the amount of camphor that dissolves in water decreases as the temperature drops, and conversely, the amount that dissolves increases as the temperature rises. Just like the "saturated aqueous solution and solubility" experiment we learned in school, the amount that did not dissolve in water appears as crystals.
There are still some scientifically unexplained aspects of how the appearance of crystals changes depending on the weather, such as rain, wind, and storms, but it seems that the amount of dissolved material and temperature seem to have a major impact on whether or not crystals form.
Why Storm Glass Crystals Don't Change

It's been a while since I bought it
If you purchase Storm Glass from an online store, the liquid may be unstable due to environmental changes during shipping. If this happens, leave it for about a week to 1 days, or at most 10-2 weeks, and crystals will gradually form. Don't rush, just wait and see how it goes.
The temperature is too high or too low
As mentioned above, the amount of crystallization varies greatly depending on the temperature. In particular, during the hot summer months (June to September), the camphor that should have crystallized may all melt, and the liquid may remain transparent without crystallizing. Conversely, during the cold winter months, there may be many crystals and the entire liquid may become cloudy, making it difficult to observe changes due to the weather.
Recipe not followed or contains impurities

This is the case for those who are trying to make it themselves, but sometimes the crystals don't come out well because they didn't follow the recipe exactly. The reason why the recipes you find when you search are all slightly different is because crystallization will occur properly even if the ratios aren't so precise. However, mixing ingredients in too random proportions or skipping steps can lead to failure.
When making it yourself, many people refer to recipes that use easily available ingredients, but commercially available ingredients can contain a lot of impurities and may not react well.
Steps to change your appearance
If the crystals don't change after a few weeks of purchase, try the following:
Try changing the location

The temperature around the storm glass is likely the cause, so first try changing its location. The crystals change at room temperature, generally between 5 and 30°C, so if the temperature is too high or too low, the appearance will not change as easily.
Many people may keep them in the entrance or hallway where temperatures are likely to fluctuate, but in the middle of summer or winter, the temperature may be outside the optimum range of 5 to 30°C. Try moving them to a room with good air conditioning and see how they do.
Try cooling it

As you can see from the fact that "seawater is warmer than the outside air in winter," once water has been heated, it is more difficult for its temperature to drop than air. If the water remains clear and no crystals form even after changing its location, try applying a temperature change that is greater than the air temperature.
Place the storm glass on top of an ice pack wrapped in a towel, or place it in a plastic bag and immerse it in cold water to see if there is any change. If no crystals form even after cooling it thoroughly, it is likely a defective product, so contact the store where you purchased it.
When testing temperature changes, please be sure to check beforehand what to do if the storm glass breaks .
Conclusion
The crystallization of storm glass is greatly affected by temperature. The degree of change varies slightly from glass to glass, but the way its appearance changes is mysteriously fascinating and never gets old. If you're worried that the appearance won't change, be sure to try the solutions introduced here.



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