APT 3 / Complete is a complete fertilizer specially designed for aquascapes with few fish. The formula combines essential macronutrients (NPK), iron, magnesium and a wide range of micronutrients that stimulate healthy, vibrant and rich growth of aquatic plants.
This fertilizer provides balanced nutrition that allows plants to develop fully and at the same time limits the appearance of unwanted algae. Even the more demanding and difficult to grow plant species manage to reach their potential with regular use.
APT 3 / Complete is designed to fully cover the needs of aquarium plants and is available in different packaging sizes, according to the scale of your aquarium.
Which product from the APT series is suitable for your aquarium?

The 2HR Aquarist APT fertilizer series also includes APT 1/Zero for more fish and fewer plants, APT/e Estimative Index for Dutch-style aquariums, and the Estimative Index method.
Benefits of using APT 3 Complete
- Complete fertilizer - vital for plant growth
- Specially developed for planted aquariums with fewer fish
- Wide range of macro and micro elements
- Supports strong plant growth and color
How to dose APT 3 Complet
- Once daily 3 ml per 100 l
- 4 times a week 5 ml per 100 l
It is recommended that both dosage options be combined with a weekly water change of 30 to 50%.
This dosage has been tested and works well for most aquariums. However, if you have a very sparsely planted aquarium or a very densely planted aquarium, it is recommended to adjust the dosage based on observations of plant growth and development.
Transform your planted aquarium with 2hr APT 3! Order now and watch your plants flourish like never before!