Waterbox Aquariums
CALCIUM
Estimated Shipping & Lead Times
In Stock Aquariums: Typically ship in 1–3 business days.
Backordered systems: Most orders ship within 4–6 weeks, though some may ship sooner depending on inbound inventory.
Estimates are based on business days and may vary during holidays, carrier capacity surges, weather, or port/cargo delays. You’ll receive tracking as soon as your items depart. Some orders may ship in multiple boxes or partial shipments.
See our home delivery options in our Shipping Policy.
For maintaining calcium levels in reef aquariums
Calcium is an essential building block for coral skeletons, invertebrates, and coraline algae in a reef aquarium. If calicum levels are not maintained properly, LPS and SPS coral cannot grow their calcium carbonate skeletons.
Recommended Levels
420-460 ppm
Instructions
5 ml of Calcium will raise calcium level by 7.5 mg/l (ppm) in 100 L (25 gal)