2HR Aquarist APT Sky

Replenish calcium and magnesium in your RO or RODI planted aquarium with APT SKY by 2HR Aquarist. Its powdered formula dissolves quickly and makes it easy to tweak General Hardness (GH) without affecting Carbonate Hardness (KH), pH, or NPK nutrient levels. A small amount goes a long way, making routine remineralization simple and economical. Best For Soft water planted aquariums Freshwater aquarium shrimp Freshwater tropical fish such as Tetras RO and RODI water remineralization Product Highlights Replenishes calcium and magnesium without increasing KH Preserves water chemistry Helps maintain water conditions preferred by many aquatic plants, shrimp, and tropical fish species Choosing the Right APT Remineralizer Choose APT SKY if you want to increase General Hardness (GH) without affecting Carbonate Hardness (KH). Choose APT SKY PLUS if you want to increase both GH and KH in a single step. Size: 150g Powder Dosing Instructions: Pre-mix 3.5g (5ml) per 16 Gallons of RO/RODI water. Each 3.5g dose adds approximately: Calcium: 12ppm Magnesium: 3.5ppm General Hardness: +2.5dGH TIP! Dissolve APT SKY completely in a separate container before adding it during water changes. This helps ensure even mineral distribution throughout the aquarium. Ingredients: Calcium (Ca) 21.5% Magnesium (Mg) 5.4% Boron (B) 7mg/L Copper (Cu) 1mg/L Iron (Fe) 0.06% Manganese (Mn) 17mg/L Molybdenum (Mo) 0.01mg/L Zinc (Zn) 9mg/L Seaweed extract <1%