Pickling vinegar acts as a preservative because it makes the environment too acidic to support microorganisms. So mould doesn't grow because it's too acidic.
add hot sauce and sugar it works every time
Pickling salt is the recommended type of salt for pickling vegetables, as it does not contain any additives like iodine or anti-caking agents that can affect the pickling process.
Acid pickling means pickle the acid.
pickling
The main difference between salt and pickling salt is that pickling salt is a pure form of salt without any additives like iodine or anti-caking agents. This makes pickling salt ideal for preserving foods through the pickling process, as it won't affect the color or taste of the final product.
Certain varieties of cucumbers have been bred specifically for use in pickling. By using these varieties, the home pickling enthusiast will end up with a crisper and more flavorful result. If growing cucumbers at home, be sure to select seeds that are labeled as "pickling" or "good for pickling" on the seed packet. Good choices for pickling cucumbers include: Pioneer, National Pickling, Saladin, Bush Pickling Liberty Hybrid, Ballerina, Boston Pickling, and Eureka Hybrid.
It depends on the recipe and the curing salt. Pickling salt is simply sodium chloride. Some curing salts contain sodium nitrate. In a recipe, when in doubt, stick with the called for ingredients. Although, it never hurts to experiment.
Because the acid in the pickling liquor reacts with the aluminum and spoils the pickles.
Microorganisms are not a good thing when it comes to pickling. Generally you want to kill off microorganisms when pickling.
Vinegar
The addition of vinegar and the processing times are different for pickling than for canning. Canning cooks the vegetables thoroughly whereas pickling is done from the veggie's raw state.
The recommended amount of calcium chloride to use when pickling vegetables is typically 1/8 to 1/4 teaspoon per quart of pickling liquid.