--- product_id: 9143558 title: "Alkaline Buffer, 300 g / 10.5 oz" brand: "seachem" price: "220 kr" currency: DKK in_stock: true reviews_count: 13 category: "Seachem" url: https://www.desertcart.dk/products/9143558-alkaline-buffer-300-g-10-5-oz store_origin: DK region: Denmark --- # Non-phosphate, algae-safe Treats 500 US gallons Buffers pH 7.2-8.5 Alkaline Buffer, 300 g / 10.5 oz **Brand:** seachem **Price:** 220 kr **Availability:** ✅ In Stock ## Summary > 🌊 Elevate your aquarium’s vibe—stability and clarity in every drop! ## Quick Answers - **What is this?** Alkaline Buffer, 300 g / 10.5 oz by seachem - **How much does it cost?** 220 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/9143558-alkaline-buffer-300-g-10-5-oz) ## 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 - • **Safe & Gentle:** Enhances freshwater habitats with essential minerals like sodium, potassium, and magnesium. - • **Massive Coverage:** 300g treats up to 500 gallons, maximizing value and minimizing hassle. - • **Algae-Free Formula:** Non-phosphate buffer prevents algae blooms and water cloudiness. - • **Aquarium-Optimized:** Designed specifically for planted tanks and hard water environments. - • **Precision pH Control:** Maintain stable pH between 7.2 and 8.5 for thriving aquatic life. ## Overview Seachem’s Alkaline Buffer is a 300g non-phosphate formula engineered to raise and stabilize pH and alkalinity in freshwater aquariums. Ideal for planted tanks and hard water, it treats up to 500 gallons, preventing algae and cloudiness while supporting a healthy aquatic environment with essential minerals. ## Description Alkaline Buffer is a non-phosphate buffer to raise pH and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Alkaline Buffer raises pH and buffers between 7.2 and 8.5. It is gentle, safe, and enhances the freshwater environment. Contains sodium, potassium, magnesium, and other bicarbonate salts. Review: good product - I use this all the time, although the smell is not the best its one of the products i will always go back to. price for this is worth it and goes a long way Review: Just what you need - Works great a little goes a long way ## Features - Raises Ph. And Increases Alkalinity (KHz) - A Non-Phosphate Buffer To Raise Ph. And Alkalinity And Buffer With Acid Buffer - Designed for the planted aquarium or for very hard water where phosphate buffers may pose algae or cloudiness problems - Gentle, Safe, And Enhances The Freshwater Environment - 300 Grams Treats 500 Us Gallons ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002A5VYI | | Allergen Information | Yam Free | | Best Sellers Rank | #21,181 in Pet Supplies ( See Top 100 in Pet Supplies ) #176 in Aquarium Water Treatments | | Brand | Seachem | | Brand Name | Seachem | | Customer Reviews | 4.6 out of 5 stars 1,465 Reviews | | Global Trade Identification Number | 00000116023603 | | Included Components | all | | Item Form | Powder | | Item Type Name | Aquarium Conditioner | | Item Weight | 11.2 Ounces | | Liquid Volume | 300 Milliliters | | Manufacturer | Seachem Laboratories, Inc. | | Manufacturer Part Number | 236 | | Model Number | 001124 | | Pet Type | Fish | | Target Species | ph and water perameters | | UPC | 000116023603 | | Unit Count | 1 Ounce | ## Product Details - **Brand:** Seachem - **Item Form:** Powder - **Item Weight:** 11.2 Ounces - **Liquid Volume:** 300 Milliliters - **Manufacturer:** Seachem Laboratories, Inc. ## Images ![Alkaline Buffer, 300 g / 10.5 oz - Image 1](https://m.media-amazon.com/images/I/61Ae68LqpYL.jpg) ![Alkaline Buffer, 300 g / 10.5 oz - Image 2](https://m.media-amazon.com/images/I/81zT0vHfkLL.jpg) ![Alkaline Buffer, 300 g / 10.5 oz - Image 3](https://m.media-amazon.com/images/I/81uxJYwynCL.jpg) ![Alkaline Buffer, 300 g / 10.5 oz - Image 4](https://m.media-amazon.com/images/I/71rYqSFpsvL.jpg) ![Alkaline Buffer, 300 g / 10.5 oz - Image 5](https://m.media-amazon.com/images/I/91jeA34RsiL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ good product *by J***N on December 14, 2025* I use this all the time, although the smell is not the best its one of the products i will always go back to. price for this is worth it and goes a long way ### ⭐⭐⭐⭐⭐ Just what you need *by D***R on February 3, 2026* Works great a little goes a long way ### ⭐⭐⭐⭐⭐ Works great! *by J***J on May 10, 2024* I absolutely LOVE Seachem! I found out about their wonderful products watching Kaveman Aquatics on YouTube. I'm OH SO GLAD I did! I've had so much trouble with my tank. After a really bad ammonia spike, the PH just would not go back up. I bought this stuff because I had some plants that I didn't want to loose. Before it could be shipped, my plants died. That's how bad my tank had gotten! I still went ahead and dosed the tank as soon as I got it. ONE DOSE! My PH was perfect the next day! Also using Prime and Stability for a week has dropped my ammonia to 0 for the first time in months! I highly recommend Seachem! 👍 ## Frequently Bought Together - Alkaline Buffer, 300 g / 10.5 oz - Seachem Acid Buffer 300gram - Seachem Equilibrium 300gram --- ## 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.dk/products/9143558-alkaline-buffer-300-g-10-5-oz](https://www.desertcart.dk/products/9143558-alkaline-buffer-300-g-10-5-oz) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-06-08*