--- product_id: 780142839 title: "Seachem - flourish excel 500 ml" brand: "ブランド: seachem" price: "€ 70.23" currency: EUR in_stock: true reviews_count: 5 category: "ブランド: Seachem" url: https://www.desertcart.com.cy/products/780142839-seachem-flourish-excel-500-ml store_origin: CY region: Cyprus --- # Organic carbon boost for plants 500 mL liquid precision dosing Safe for fish & shrimp ecosystems Seachem - flourish excel 500 ml **Brand:** ブランド: seachem **Price:** € 70.23 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your aquarium’s green game — because your plants deserve the best! ## Quick Answers - **What is this?** Seachem - flourish excel 500 ml by ブランド: seachem - **How much does it cost?** € 70.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/780142839-seachem-flourish-excel-500-ml) ## Best For - ブランド: seachem enthusiasts ## Why This Product - Trusted ブランド: seachem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Algae Control Support:** Clinically effective against stubborn black beard algae with careful use. - • **Versatile CO2 Compatible:** Works seamlessly alongside CO2 systems for accelerated plant health. - • **Organic Carbon Powerhouse:** Enhances ferrous oxide uptake, fueling lush, vibrant aquatic plants. - • **Fish & Shrimp Friendly Formula:** Safe daily or alternate dosing without harming aquatic life. - • **Precision Dosing for Optimal Growth:** Easily measure 5 mL per 40L for targeted plant nutrition. ## Overview Seachem Flourish Excel is a 500 mL liquid organic carbon supplement designed to promote healthy aquatic plant growth by enhancing ferrous oxide absorption. It supports algae control, is safe for fish and shrimp, and integrates well with CO2 systems, making it a must-have for thriving, vibrant aquariums. ## Description 商品の説明 Organic carbon for aquarium plants;Promotes ferrous oxide;Can be used with CO2 使用方法 On initial use or after a major (> 40%) water change, use 1 capful of Flourish Excel (5 mL) for every 40 L (10 US gallons). Thereafter, use 1 capful for every 200 L (50 US gallons) daily or every other day. For smaller dosing, note that each cap thread is approximately 1 mL. Flourish Excel is completely safe for fish, but if you have Anacharis in an aquarium in which you are dosing Flourish Excel, then it is recommended to use it every other day rather than daily. Review: Works very well - Used it to treat black beard algae after fighting it for months with other treatments . It took Care of the algae and made my tank clearer that it’s ever been. Review: Algae control - Purchased to help tackle black beard algae. It works but if you use too much it will kill the plants and I found I had to put more in than the instructions called for. I won’t buy again. Had better luck with hydrogen peroxide sprayed on the plant. I have shrimp in my display tank and was quite concerned they would not fare so well. So removed the plants, and treated in a small spare tank. ## Features - Seachem Flourish Excel 500ml - 500 MILLILITER ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000256962 | | GTIN (Global Trade Identification Number) | 00000116045308 | | UPC | 752190152686 000116045308 | | おすすめ度 | 5つ星のうち4.6 6,134 レビュー | | ブランド | seachem | | ブランド名 | seachem | | ペットタイプ | 魚 | | メーカー | Seachem Laboratories, Inc. | | メーカー名 | Seachem Laboratories, Inc. | | メーカー型番 | 075225 | | モデル | 116045308 | | ユニット数 | 16.9 液量オンス | | 商品の形状 | リキッド | | 商品の重量 | 454 グラム | | 対象となる動植物 | サカナ | | 液体の容量 | 500 ミリリットル | | 液体容量 | 500 ミリリットル | ## Product Details - **Brand:** seachem - **Liquid Volume:** 500 Milliliters - **Item Weight:** 454 Grams - **Item Form:** Liquid - **Manufacturer:** Seachem Laboratories, Inc. ## Images ![Seachem - flourish excel 500 ml - Image 1](https://m.media-amazon.com/images/I/61V3cVDRUYL.jpg) ## Questions & Answers **Q: What causes this product to kill algae, and does it kill anything else (like beneficial bacteria)?** A: I bought the Seachem Flourish Excel because it seems to be the best solution to a Black Beard Algae problem I'm having, and after studying what it does, and how it does it, I too was worried about the Beneficial Bacteria in my 2 large canister filters.Couldn't find a direct answer to that question, so I sent an e-mail directly to Seachem Laboratories. Here is my question to them and their reply...... Message: I have a 72 gal heavily planted community tank and am having an outbreak of Black Beard Algae. I purchased your product as it seems the best solution to the problem, but I need a question answered before I can use your product. I now understand how your product works, but will this product also kill off the Beneficial Bacteria inside the Seachem Matrix Bio-Media of my 2 large canister filters?! Crashing the cycle in my tank is not an option. Is this product (Flourish Excel) safe to use for the bacteria that maintains the nitrogen cycle of my tank, or will it kill the bacteria in my filter media along with the Black Beard Algae and crash the nitrogen cycle of my tank? Need a straight answer, please, Thank You Seachem Support 10304 (Seachem Laboratories) Sep 23, 2022, 16:31 ADT Hi there, thanks for reaching out! No, Excel will not affect your biological filtration if dosed appropriately. Hope this helps! Seachem Support 10304 Needless to say, I am very relieved, and pleased. Now I can start the process of getting rid of that Black Beard Algae and not worry about crashing my nitrogen cycle. 2 Thumbs Up to Seachem Laboratories! **Q: are they copper free?** A: No. They contain 0.001% copper. Though people have used them in shrimp tanks without a problem, others have had shrimp die, particularly if the tablet got stirred up from the substrate (rescaping, fish burrowing, etc). If there's a chance of your substrate being disturbed, I'd recommend going with API Root Tabs instead, as they do not contain copper. **Q: How I use this for my tank 20 gallons** A: Per the instructions: "On initial use or after a major (> 40%) water change, use 1 capful (5 mL) for every 40 L (10 US gallons). Thereafter use 1 capful for every 200 L (50 US gallons) daily or every other day. For smaller dosing please note that each cap thread is approximately 1 mL." 1 cap = 5ml 1 cap for every 50 gallon equates to 1 ml for every 10 gallons or 2 ml for 20 gallons. **Q: Is the product compatible with freshwater invertebrates, like amano shrimp?** A: I use this product on a regular basis and I have snails and shrimp in my tank. No problems. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works very well *by J***T on 2026年7月12日にアメリカ合衆国でレビュー済み* Used it to treat black beard algae after fighting it for months with other treatments . It took Care of the algae and made my tank clearer that it’s ever been. ### ⭐⭐⭐⭐⭐ Algae control *by D***3 on 2026年3月13日にカナダでレビュー済み* Purchased to help tackle black beard algae. It works but if you use too much it will kill the plants and I found I had to put more in than the instructions called for. I won’t buy again. Had better luck with hydrogen peroxide sprayed on the plant. I have shrimp in my display tank and was quite concerned they would not fare so well. So removed the plants, and treated in a small spare tank. ### ⭐⭐⭐⭐⭐ A Staple for Healthy, Growing Aquarium Plants *by K***T on 2026年3月1日にアメリカ合衆国でレビュー済み* I keep coming back to Seachem Flourish Excel because it consistently helps my aquarium plants stay healthy and grow well. After regular dosing, I’ve noticed stronger growth and better overall plant appearance. It’s easy to dose, and the bottle lasts a good amount of time depending on tank size. I’ve had good results using it as part of a regular maintenance routine, especially in planted tanks where I want steady growth without setting up a full CO2 system. The plants respond well, and I’ve seen improved color and vitality over time. As long as you follow the recommended dosing instructions, it integrates easily into a standard care schedule. If you maintain a planted aquarium and want reliable support for plant health, this has been a dependable product in my experience. ## Frequently Bought Together - Seachem Flourish Excel 500 ml - Seachem Flourish Freshwater Plant Supplement 500 ml - Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier 500 ml --- ## 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.cy/products/780142839-seachem-flourish-excel-500-ml](https://www.desertcart.com.cy/products/780142839-seachem-flourish-excel-500-ml) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-07-30*