2Hr Aquarist APT Sky

APT SKY is a specialized GH booster developed by 2Hr Aquarist for aquariums using RO or RODI water. It increases the total hardness (GH) by adding essential minerals such as calcium and magnesium without affecting other important parameters such as NPK, KH or pH.

Enjoy the freedom of raising shrimp in soft water aquariums and watch as plants with hard and soft water requirements grow beautifully side by side.

Advantages of APT Sky

• Allows the co-cultivation of soft and hard water plants.
  
• Improves the health and reproduction of shrimp and other invertebrates.
  
• Compatible with aquariums using CO₂ systems where pH stability and low KH values ​​are essential.
  
• Easy to dose and fully soluble.
  

Recommended Dosage of APT Sky

* Every 3.5 g / 5 ml per 60 liters adds 12 ppm calcium and 3.5 ppm magnesium (+2.5 dGH)
Add 15 ml of APT SKY per 60 liters of RO/RODI water to raise GH by approximately 2.5 dGH (12 ppm Ca and 3.5 ppm Mg).