Effervescent tablets containing potassium hydroxide and potassium carbonate.
Carbon dioxide (Co2) is a potent gaseous fertilizer; More carbon dioxide in the air means more plant growth. The plant extracts the necessary Co2 from the air which, through photosynthesis in the leaves, becomes sugars and oxygen.
Co2 dissolves in water.
Adding Co2 decreases the ph.
The amount of Co2 dissolved in water in this form, among other things, depends on the concentration and pH of the water.
The water obtained through the water distribution systems is released into the dissolved Co2.