Root Beer Equipment Kit itemID-16765 The double junction design means

The double junction design means that virtually no silver from the electrode enters the sample

In general

Due to high demand

but it will become less resistant after it is rotated back and forth a couple times

This will age gracefully for years

Root Beer Equipment Kit itemID-16765 The double junction design meansIncludes the equipment you would need to mix up and bottle your hand crafted Root Beer. Makes a great gift or project for kids. You will also need recappable bottles, Root Beer Sugar Kit for Bottling, SF102, and the extract of your choice. Note: You must refrigerate the bottles after carbonation has developed to stop the yeast and keep the bottles from cracking from excess internal pressure. Equipment List: Bottle Filler with Removable Spring (3 8