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Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
Red Sea Reef Care Calcium Foundation A is a premium liquid supplement formulated to maintain stable calcium levels in reef aquariums. Calcium is essential for coral growth, skeletal development, and overall reef health. As part of Red Sea’s comprehensive Reef Foundation program, this supplement ensures optimal water chemistry for a thriving marine ecosystem.
Supports Coral Skeleton Development: Provides the calcium necessary for healthy coral growth and skeletal formation.
Stabilizes Calcium Levels: Maintains consistent calcium levels to prevent fluctuations that can hinder coral development.
Pharmaceutical-Grade Purity: High-quality, safe formula suitable for all reef environments.
Works in Harmony with Other Supplements: Part of Red Sea’s Reef Care system, designed to complement other Reef Foundation supplements for balanced water chemistry.
Easy-to-Dose Liquid: Simple and precise dosing for accurate calcium supplementation.
Test calcium levels with a reliable reef test kit.
Shake the bottle well before use.
Dose according to calcium test results.
Add to a high-flow area of the sump or aquarium for even distribution.
Monitor calcium regularly to maintain 400–450 mg/L for optimal reef health.
500 ml – Ideal for small to medium reef tanks or occasional supplementation.
1 L – Perfect for larger tanks or regular long-term dosing.
Red Sea Reef Care Calcium Foundation A is recommended for any reef tank with corals that require stable calcium levels. It works best as part of Red Sea’s Reef Foundation system, ensuring all essential elements are properly maintained. Regular testing and accurate dosing help sustain healthy, vibrant corals and a thriving reef ecosystem.
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