Description:

** This item is classed as a large, bulky or a heavy item – additional delivery costs apply. Total delivery will be calculated at checkout.

Features & Benefits:

• Calcium aids shell growth, bone formation and muscle tone
• pH Buffer prevents water from becoming acidic and cause burning
• Can be used as:
  – Substrate up to a depth of approximately 3cm
  – A biological filtration media in a sump or canister filter