RED SEA FOUNDATION A CALCIUM+ 5L

Red Sea Foundation A (Calcium+) is a concentrated calcium supplement designed to maintain optimal calcium levels in reef aquariums. Calcium is a key element in coral skeleton formation, and this supplement ensures your SPS, LPS, and other calcifying organisms have what they need for healthy growth.

Part of Red Sea’s Foundation Elements system (Calcium, Alkalinity, Magnesium), Foundation A works best when dosed alongside Foundation B and C to maintain balanced and stable reef chemistry.

Specifications:

Highly concentrated calcium supplement

Supports strong coral skeleton development

Ideal for SPS, LPS, and other calcifying inverts

Designed for daily or automated dosing

Can be used in manually or fully dosed reef systems

Available sizes: 500ml, 1000ml, and larger

Dosing: Based on tested calcium consumption; use with Red Sea test kits for accuracy

Recommended Levels:

Calcium: 430–460 ppm

Use in combination with Foundation B (Alkalinity) and Foundation C (Magnesium) for best results

Usage Tip: Test calcium levels regularly and adjust dosing to match your tank’s needs.