Salt & Additives
Red Sea Reef Foundation A (Ca/Sr) 500ml
$14.99
- Ships any business day
- Products we use on our own reefs
- Questions? Ask a reef keeper
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Product details
Product details
Red Sea Reef Foundation A (Ca/Sr) 500ml is a liquid reef supplement designed to support key elements used in coral skeleton formation—specifically calcium and strontium. In practical terms, it helps you maintain a balanced supply of Ca/Sr as part of Red Sea’s complete Reef Care Program, which is intended to keep foundational reef chemistry in line for positive coral health and growth.
Features:
- Helps provide calcium and strontium in blended form for reef systems
- Supports balanced availability of foundation elements used in coral skeleton development
- Contributes to Red Sea’s complete Reef Care Program approach to reef chemistry
- Liquid dosing makes it practical for regular maintenance adjustments
- Sized for ongoing use with a 500 ml bottle
Specifications:
- Product name: Red Sea Reef Foundation A (Ca/Sr) 500ml
- Bottle size: 500 ml (16.9 fl. Oz.)
- Dosing / concentration: 1 ml will raise the Ca level of 100 liters (25 gal) by 2 ppm




