ATI Essentials PLUS 2x 2.7L Contains all essential bulk elements and trace elements, as well as only inorganic carbonate formers. Stabilizes the pH at a measurably higher level. Space-saving, 2 x 2.7 liters replace 3 x 10 liters of classic element supply. Highly concentrated (28,000 °dKH and 200,000 mg calcium per set), can be used...

ATI Essentials PLUS 2x 10L Contains all essential bulk elements and trace elements, as well as only inorganic carbonate formers. Stabilizes the pH at a measurably higher level. Space-saving, 2 x 2.7 liters replace 3 x 10 liters of classic element supply. Highly concentrated (28,000 °dKH and 200,000 mg calcium per set), can be used...