Provide a step-by-step guide on how to make kimchi at home, including a list of necessary ingredients, recommended tools, and instructions on how to prepare, ferment, and store the finished product. Please be specific about the type and amount of vegetables to use, the seasonings and spices required, and any optional add-ins like fish sauce or shrimp paste. It would also be helpful to include tips on how to adjust the recipe to suit personal taste preferences and how to troubleshoot common issues like mold or spoilage during the fermentation process.
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