ทำไมมะนาวที่มี Citric acid กรดสูง ถึงกลายเป็นด่างไปได้ Yes, spring water is often additional alkaline than tap water as it flows by way of layers of mineral-abundant rock, which leach in to the water and enhance its alkalinity. On the other hand, some spring waters are neutral and even somewhat acidic – it Successfully Submitted (Awaiting Approval)