New and Unopened Tropic Marin Carbo-Calcium Powder 1400g.

• Extremely high yield: 1 kg (2.2 lbs.) contains 307 g calcium and approx. 43,000 °dH (alkalinity)
• The pH value remains completely stable
• No phosphates or surplus CO2 are added to the aquarium
• The salinity remains constant (no sodium chloride is created)
• No danger caused by oxygen depletion
• Suitable for all tank sizes
• After mixing, the resulting solution is suitable for both manual dosage and for dosing pumps