2HR Aquarist - APT 3 Complete

APT3 by 2HR Aquarist is a comprehensive liquid fertilizer specially formulated for densely planted freshwater aquariums. Its calibrated Capstone Formula supplies complete nutrition

—macro, micro, and trace elements, that support strong growth and vivid color for even the most high-demand aquatic plant species. This well-rounded nutrient solution is engineered to support demanding species while keeping nutrition balanced. The formula includes

nitrogen, phosphorus, potassium, magnesium, iron, and a full suite of essential trace elements—all fully water‑soluble for reliable uptake.

With daily dosing, plants can access the nutrients they need for efficient photosynthesis and healthy leaf development. Its nutrient ratios are designed to encourage deeper coloration and lush growth without unnecessary spikes in any single element. So, whether you're running a high-tech CO2 setup or a densely planted low-tech tank, APT 3 delivers reliable everyday nutrition to support robust growth in a planted aquarium.

Size: 300ml
Directions:  Each bottle includes a calibrated pump. (1ml per press)
Dose 3ml per 26 gallons (100L) daily.

Key Features and Important Notes

• Complete nutrient blend for planted tanks
• Ideal for mature tanks, densely planted setups
• One 300ml bottle lasts ~3 months / 30 gallon tank (YMMV )
• Includes calibrated pump for convenient, precise and easy dosing

Guaranteed Analysis

• Total Nitrogen (N): 0.75% (0.75% Nitrate Nitrogen)
• Avalable Phosphoric Acid (P2O5): 0.69%
• Soluble Potash (K₂O): 4.52%
• Magnesium (Mg): 1.10%
• Iron (Fe): 0.12% (0.12% chelated)

Derived from: Potassium Sulphate, Potassium Phosphate, Potassium Chloride, Magnesium Nitrate, Magnesium Sulphate, DTPA Iron, EDTA Iron, EDDHA Iron