Lime water / calcium hydroxide 500g

Lime water (the saturated solution contains 900mg Ca/l), adds calcium to the aquarium. Phosphates are also precipitated. application: Mix 1 measuring spoon ( ~ 7g ) of calcium hydroxide into 10 l of demineralised water and leave to settle overnight in an airtight container. The evaporated aquarium water can be filled up drop by drop with the clear liquid. Do not add it all at once, as this could cause the pH value to rise sharply. Warning: Causes burns ! In case of contact with the eyes thoroughly with Rinse out water and consult a doctor ! Keep away from children !