ทำไมมะนาวที่มี Citric acid กรดสูง ถึงกลายเป็นด่างไปได้ Sure, spring water is usually much more alkaline than tap water mainly because it flows by layers of mineral-rich rock, which leach into your water and enhance its alkalinity. On the other hand, some spring waters are neutral or maybe a bit acidic – it Successfully Submitted (Awaiting Approval)