Q: What is recommended dosage for potted plants for the two foliar spray and adding in potting blend? A: five to 7 gm/liter water. make this Option and spray or do drenching. Q: What's the expiry day ?? A: It doesn't have expiry date. Even so, we advocate to make use of it within 3 years of manufacturing day. Q: Can this Epsom salt be useful for ba