- Removes calcium and magnesium
- Removes soluble metals including iron and copper
- Should not be used while treating the aquarium with medications
- Lowers general hardness (GH)
- After 48 hours recharging of the pillow is necessary
Directions for Recharging:
Remove pillow and rinse in tap water. Make a recharging solution by dissolving 60 g (3 tablespoonfuls) of non-iodized salt in 210 ml (7 oz) of water. Place the pillow in the solution for at least 2 hours for full recharging. Be sure to make a new solution after 4 recharges.