Description:

• 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)

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