ทำไมมะนาวที่มี Citric acid กรดสูง ถึงกลายเป็นด่างไปได้ Of course, spring water is often extra alkaline than tap water mainly because it flows as a result of layers of mineral-loaded rock, which leach in to the water and increase its alkalinity. Nevertheless, some spring waters are neutral or maybe somewhat acidic – it Successfully Submitted (Awaiting Approval)