Soluble Calcium Recipe
Step be step guide to DiY soluble calcium solution Soluble Calcium Recipe What you need to make 200ml solution 1) Dried eggshells at least 10, may be more 2) Apple cider vinegar (ACD), 200ml 3) Wide mouthed glass container at least 500ml size 4) Stirrer – wooden or plastic 5) Airtight glass or plastic bottle…