2Hr Aquarist APT E Estimative Index

EI focuses on providing nutrients in excess and resetting through large weekly water changes. Supremely concentrated and expertly balanced.

APT e is perfect for heavily planted Dutch Style tanks and users who understand EI methodology.

Estimative Index would be your choice if you understand and seek to practice the EI approach to grow plants at a fast speed. EI has the highest risk of runaway algae issues if you have sub-par tank maintenance, sub-optimal CO2 levels or low plant mass.

How to Use:

Dose 5ml per 100L 3 times per week or 2ml per 100L daily.

Each Dose Contains:

Each 5ml per 100L dose adds 5ppm Potassium (K), 4.6ppm Nitrogen (NO3), 1.5ppm Phosphorus (PO4), 0.16ppm Iron (Fe), 0.4ppm Magnesium and additional amounts of Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo) and Zinc (Zn).

The above dosage is designed to be dosed 3 times a week. So the total per week adds up to: 15ppm Potassium (K), 13.8ppm Nitrogen (NO3), 4.5ppm Phosphorus (PO4), 0.48ppm Iron (Fe), 1.2ppm Magnesium (Mg) and additional amounts of Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo) and Zinc (Zn).