--- product_id: 416183113 title: "Reef Foundation A 1L" brand: "red sea" price: "20.95 OMR" currency: OMR in_stock: true reviews_count: 5 category: "Red Sea" url: https://www.desertcart.com.om/products/416183113-reef-foundation-a-1l store_origin: OM region: Oman --- # Balanced minerals for reef vitality Raises Ca by 2ppm per 1ml/100L Precise Ca+Sr blend for coral growth Reef Foundation A 1L **Brand:** red sea **Price:** 20.95 OMR **Availability:** ✅ In Stock ## Summary > 🌟 Elevate your reef’s foundation with science-backed precision! ## Quick Answers - **What is this?** Reef Foundation A 1L by red sea - **How much does it cost?** 20.95 OMR with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/416183113-reef-foundation-a-1l) ## Best For - red sea enthusiasts ## Why This Product - Trusted red sea brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **BPA-Free & Safe:** Formulated without BPA, prioritizing safety for your aquatic ecosystem. - • **Trusted by Enthusiasts:** Highly rated with 4.8 stars and glowing reviews from reef hobbyists worldwide. - • **Comprehensive Reef Care:** Part of Red Sea’s complete Reef Care Program ensuring holistic aquarium health. - • **Precision Dosage Control:** 1ml per 100L raises calcium levels by 2ppm for exact reef chemistry tuning. - • **Optimized Coral Skeleton Support:** Calcium and strontium perfectly balanced to fuel vibrant coral growth. ## Overview Red Sea Reef Foundation A (Calcium+) is a premium 1L powder supplement blending calcium and strontium salts in coral-ideal ratios. Designed to maintain balanced levels of calcium, magnesium, strontium, and carbonate, it supports healthy coral skeleton formation and growth. With precise dosing (1ml per 100L raises Ca by 2ppm), BPA-free formulation, and integration into Red Sea’s Reef Care Program, it’s a trusted choice for reef aquarists seeking vibrant, thriving coral ecosystems. ## Description Calcium+ Supplement Foundation A Calcium And Strontium Complex For Balanced Formation Of The Coral Skeleton Ca | Sr | Ba Calcium, Magnesium, Strontium And Carbonate Are The Basic Foundation Elements Of Coral Skeletons. All Of These Elements Need To Be Available In Balanced Proportions For Positive Coral Health And Growth. Red Sea’S Calcium+ Contains Blended Salts Of Calcium And Strontium In The Ratio Required By Corals And Is Part Of Red Sea’S Complete Reef Care Program. Concentration: Liquid Supplement: 1Ml Will Raise The Ca Level Of 100 Liters (25 Gal) By 2Ppm. Powder Supplement: 1G Will Raise The Ca Level Of 100 Liters (25 Gal) By 3.6Ppm. 1 Kg Will Make 1.8L Of Stock Solution. Package Size/Volume: 250 Ml (8.5 Fl. Oz.) 500 Ml (16.9 Fl. Oz.) 1 L (33.8 Fl. Oz.) 5 L (1.32 Gal) 1 Kg – Powder (2.2 Lb). Review: Awesome product - keeps my corals growing nice and beautifully!! Review: Works great - I use as part of my Red Sea supplement regimen. Tank keeps kicking ## Features - Red Sea’s CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea’s complete Reef Care Program. - Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons. - All of these elements need to be available in balanced proportions for positive coral health and growth. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074MKR92B | | Allergen Information | BPA-Free | | Best Sellers Rank | #144,834 in Beauty ( See Top 100 in Beauty ) #1,576 in Foundation Makeup | | Brand | Red Sea | | Brand Name | Red Sea | | Country of Publication | USA | | Customer Reviews | 4.8 out of 5 stars 129 Reviews | | Global Trade Identification Number | 00730773220144 | | Included Components | 1 Liter reef foundation | | Item Form | Powder | | Item Type Name | Red Sea CALCIUM+ (FOUNDATION A) - 1L | | Item Weight | 0.77 Kilograms | | Item form | Powder | | Item weight | 0.77 Kilograms | | Liquid Volume | 500 Milliliters | | Liquid volume | 500 Milliliters | | Manufacturer | Red Sea | | Manufacturer Part Number | Red Sea Reef Foundation A Supplement (Ca | | Model Number | Red Sea Reef Foundation A Supplement (Ca | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 730773220144 | | Unit Count | 1 Count | | Unit count | 1 Count | ## Product Details - **Brand:** Red Sea - **Item form:** Powder - **Item weight:** 0.77 Kilograms - **Liquid volume:** 500 Milliliters - **Manufacturer:** Red Sea ## Images ![Reef Foundation A 1L - Image 1](https://m.media-amazon.com/images/I/613ucKNfHbL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Awesome product *by M***Y on 17 August 2023* keeps my corals growing nice and beautifully!! ### ⭐⭐⭐⭐⭐ Works great *by B***S on 15 April 2021* I use as part of my Red Sea supplement regimen. Tank keeps kicking ### ⭐⭐⭐⭐⭐ A must for reef aquariums *by B***D on 19 August 2020* My corals look a lot better using the red sea ## Frequently Bought Together - Aqcult 306167 1 Ltr Red Reefer Foundation A Calcium & Strontium - Red Sea Aqcult 306168 1 LTR Reefer Foundation B Alkalin - Red Sea Reef Foundation C, Magnesium Supplement, 1 Liter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.om/products/416183113-reef-foundation-a-1l](https://www.desertcart.com.om/products/416183113-reef-foundation-a-1l) --- *Product available on Desertcart Oman* *Store origin: OM* *Last updated: 2026-08-31*