Most "pH water" on the market is alkaline water, which may be naturally sourced from springs or artifically "ionized" through electrolysis.
It is common for bottled water to test lower than the advertised pH due to exposure to air or storage conditions. You can verify the pH level of your water using the following tools: Where to buy the cheapest pH water? - Facebook buy ph water
: Brands like Perfect Hydration often enhance their water with minerals and electrolytes after a purification process to maintain a 9.5+ pH level. 2. Testing Your Water Most "pH water" on the market is alkaline