Easy and delicious fermented beet juice ( kvass ) - step by step MASTERCLASS

Easy step by step on how to make your own fermented beet juice, a super powerful probiotic for your well being ( pol. zakwas buraczany )
Ingredients:
about 1 kg of raw beets, preferably organic
1-2 heads of garlic + spices of your choice ( bayleaf, black pepper, cumin, allspice etc )
For the brine:
1 heaping Tbsp salt ( I use grey sea salt, Himalayan is good too ) per 1 L of cold water (spring or filtered to avoid the chlorine and other chemicals usually present in tap water ).
Happy fermenting and cheers to your health!