Hydrogen Ions Solution Acid-Base Concentrate 1000ml glas bottle, health supplement. Intracellular acid- & base regulation by the Nobel Laureates Agree and McKinnon. PH: <12, the pH is maintained for 2 years, thanks to a sophisticated water – cluster technology. Intake: 1 months ingestion 1x 30 ml /day, then pause 1-2 months, then repeat.