ANS Oyster Shells – pH & KH Stabiliser
- Natural oyster shells will slowly dissolve and release carbonates and calcium ions into the water.
- It increase and stabilise the PH and KH over 6 months and prevent dangerous ph crash or swing in aquarium/pond.
- The oyster shells are thoroughly wash and further cleaned to remove any leftover organic residues.
- Suitable for canister filters, internal filters, top filters, trickle filters, pond filtration and sump filtration.
0.8kg treats 300-500 litres of water over period of 6 months.
Packaging sizes: 0.8kg (item no. A33221)