2Hr Aquarist APT S Sky Water Booster Mini – 70g

Mineral-Rich GH Booster for RO/RODI Water

APT S Sky by 2Hr Aquarist is a next-generation GH booster designed to remineralise RO/RODI water without impacting your aquarium's pH, KH, or NPK levels. It's ideal for enabling shrimps, softwater plants, and hardwater plants to thrive side by side.

Perfect for aquascapers using RO/RODI systems or softwater setups, APT Sky adds essential Calcium (Ca) and Magnesium (Mg) while maintaining optimal nutrient balance for planted tanks.

Why Use APT S Sky?

• Precise Remineralisation
  Replenishes vital minerals without altering key water parameters.

• Boosts GH Without Affecting NPK or KH
  Perfectly calibrated to avoid disrupting fertiliser dosing or plant preference.

• Ideal for RO/RODI Users
  Rebuilds mineral content lost in purification processes.

• Supports Shrimp & Plant Health
  Enhances molting, shell development, and growth of both soft- and hardwater plants.

Recommended Usage

• Standard Dose: 15ml per 60L of RO/RODI water

• Adds approx. 12ppm Calcium & 3.5ppm Magnesium (+2.5 dGH)

• If unsure of water hardness: Test GH using a standard aquarium test kit

• If using tap water with >2 dKH: Consider switching to RO/RODI for sensitive softwater species

Ingredients (per 3.5g / 5ml dose)

• Calcium (Ca): 21.5%

• Magnesium (Mg): 5.4%

• Iron (Fe): 0.06%

• Boron (B): 7mg/L

• Copper (Cu): 1mg/L

• Zinc (Zn): 9mg/L

• Manganese (Mn): 17mg/L

• Molybdenum (Mo): 0.01mg/L

• Seaweed Extract: <1%