Elderberry syrup (home recipe)

Elder is blooming again, charming people with its strong smell. Few friends asked me about how we make elderberry syrup at home, so I thought of opensourcing it;) Remember that every written part is important (I tried to bold the most important words). Ingredients: 30 elderberry blossoms 5L of water 3kg of sugar big spoon of Citronka about six 1L glass bottles with non-plastic closure Blossoms should be chipped ...