--- product_id: 52699165 title: "Seachem Flourish Potassium Supplement, 2 Litre" brand: "seachem" price: "€ 1.07" currency: EUR in_stock: false reviews_count: 13 url: https://www.desertcart.pt/products/52699165-seachem-flourish-potassium-supplement-2-litre store_origin: PT region: Portugal --- # Phosphate & nitrate free formula 50,000 mg/L potassium concentration 2 Litre volume for long-term use Seachem Flourish Potassium Supplement, 2 Litre **Brand:** seachem **Price:** € 1.07 **Availability:** ❌ Out of Stock ## Summary > 🌿 Elevate your aquarium’s green game with pure potassium power! ## Quick Answers - **What is this?** Seachem Flourish Potassium Supplement, 2 Litre by seachem - **How much does it cost?** € 1.07 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/52699165-seachem-flourish-potassium-supplement-2-litre) ## Best For - seachem enthusiasts ## Why This Product - Trusted seachem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Integration:** Simple dilution and dosing instructions for hassle-free maintenance. - • **Generous 2L Supply:** Sustain your planted aquarium’s health with a long-lasting 2-litre bottle. - • **Clean & Safe Formula:** No phosphates or nitrates—keep your aquarium pristine and balanced. - • **Universal Compatibility:** Perfect for all aquatic plant species and all life stages of fish. - • **Ultra-Concentrated Potassium Boost:** Maximize plant vitality with 50,000 mg/L pure potassium power. ## Overview Seachem Flourish Potassium Supplement is a highly concentrated (50,000 mg/L) liquid potassium additive designed to enhance the growth and health of aquatic plants in freshwater aquariums. Free from phosphates and nitrates, this 2-litre formula supports a clean, balanced environment suitable for all fish life stages and plant species, ensuring vibrant, lush underwater landscapes. ## Description Product Description Seachem Flourish Potassium 2L Directions Add 1 mL of Flourish Potassium per 250 L (66 US gallons) of aquarium water weekly. For a vigorous growth level, add 1 mL per 125 L (32 US gallons) weekly. Shake well before use. Do not overdose as this could lead to excess potassium in the aquarium. Box Contains water treatment Review: Noticeable Results in Just Days! - Really impressed with this supplement! After just a few days of using it, my planted tank is already looking healthier and more vibrant. The leaves are greener, and overall plant growth seems to have improved noticeably. Easy to dose and a great addition to my routine. Definitely a must-have for planted tanks! Review: Aquatic plant must have. - One of the essential elements required by aquarium plants, I wouldn’t be without it. 👍 ## Features - Potassium supplement for the planted aquarium - Highly concentrated (50,000 mg/L) - Does not contain phosphate or nitrate ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00029PO82 | | Allergen Information | Yam Free | | Best Sellers Rank | 13,220 in Pet Supplies ( See Top 100 in Pet Supplies ) 167 in Aquarium Water Treatments | | Brand | Seachem | | Brand Name | Seachem | | Customer Reviews | 4.7 out of 5 stars 2,967 Reviews | | Global Trade Identification Number | 00000116046800 | | Item Form | Liquid | | Item Type Name | Aquarium Conditioner | | Item Weight | 1.93 Kilograms | | Item form | Liquid | | Item weight | 1.93 Kilograms | | Liquid Volume | 2 Litres | | Liquid volume | 2 Litres | | Manufacturer | Seachem | | Manufacturer Part Number | 468 | | Model Number | 468 | | Pet Type | Fish | | Target Species | Aquatic Plants | | UPC | 000116046800 | | Unit Count | 1 count | | Unit count | 1 count | ## Product Details - **Brand:** Seachem - **Liquid volume:** 2 Litres - **Item weight:** 1.93 Kilograms - **Item form:** Liquid - **Target species:** Fish and Plants ## Images ![Seachem Flourish Potassium Supplement, 2 Litre - Image 1](https://m.media-amazon.com/images/I/51H+kGOCL0L.jpg) ![Seachem Flourish Potassium Supplement, 2 Litre - Image 2](https://m.media-amazon.com/images/I/81ezmjtrBaL.jpg) ![Seachem Flourish Potassium Supplement, 2 Litre - Image 3](https://m.media-amazon.com/images/I/91w6wi5yS0L.jpg) ![Seachem Flourish Potassium Supplement, 2 Litre - Image 4](https://m.media-amazon.com/images/I/41KsaXKlRuL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Noticeable Results in Just Days! *by B***G on 24 March 2026* Really impressed with this supplement! After just a few days of using it, my planted tank is already looking healthier and more vibrant. The leaves are greener, and overall plant growth seems to have improved noticeably. Easy to dose and a great addition to my routine. Definitely a must-have for planted tanks! ### ⭐⭐⭐⭐⭐ Aquatic plant must have. *by J***D on 18 March 2025* One of the essential elements required by aquarium plants, I wouldn’t be without it. 👍 ### ⭐⭐⭐⭐⭐ good stuff *by S***N on 28 September 2021* using for a while now, always trust seachem for shrimp safe items --- ## 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.pt/products/52699165-seachem-flourish-potassium-supplement-2-litre](https://www.desertcart.pt/products/52699165-seachem-flourish-potassium-supplement-2-litre) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-06*