--- product_id: 297448762 title: "Tetra Aqua Safe 250Ml" brand: "tetra" price: "€ 35.86" currency: EUR in_stock: true reviews_count: 7 category: "Tetra" url: https://www.desertcart.at/products/297448762-tetra-aqua-safe-250ml store_origin: AT region: Austria --- # Safe for most freshwater fish 250ml fast-acting liquid Visible clarity in 6-12 hours Tetra Aqua Safe 250Ml **Brand:** tetra **Price:** € 35.86 **Availability:** ✅ In Stock ## Summary > 💦 Dive into crystal clarity—because your aquarium deserves the spotlight! ## Quick Answers - **What is this?** Tetra Aqua Safe 250Ml by tetra - **How much does it cost?** € 35.86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/297448762-tetra-aqua-safe-250ml) ## Best For - tetra enthusiasts ## Why This Product - Trusted tetra brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fast-Acting Formula:** See visible results in as little as 6 hours—because your aquatic ecosystem deserves swift care. - • **Mineral-Powered Purity:** Harnesses selected minerals to bind and remove suspended particles, delivering pristine water quality. - • **Crystal Clear Confidence:** Transforms cloudy water into sparkling clarity within half a day, so your aquarium always impresses. - • **Optimized Filtration Support:** Works best with regular filter maintenance, maximizing water clarity and health for your aquarium. - • **Fish-Friendly & Freshwater Focused:** Gentle on most freshwater inhabitants, ensuring a safe and vibrant environment for your finned friends. ## Overview Tetra Aqua Safe 250ml is a fast-acting liquid water treatment designed for freshwater aquariums. It uses mineral-based ingredients to clear cloudiness by binding suspended particles, with visible results in 6 to 12 hours. Safe for most freshwater fish, it supports a healthy aquatic environment when paired with regular filter maintenance. Not suitable for tanks with invertebrates like shrimps or snails. ## Description Tetra Crystal Water clears cloudy water and suspended particles from the aquarium water fast, safely and reliably. Crystal Water contains selected minerals which remove cloudiness and haziness of all kinds. With its gentle mode of action, Crystal Water it is harmless for most aquarium inhabitants and quickly provides crystal clear water. The effectiveness of the product becomes visible by a white cloud, which is not dangerous and clears away after a few hours. The active ingredients in Tetra Crystal Water bind small particles in the water into larger ones that can then be filtered from the water by the aquarium filter. For an optimum effect the filter should be cleaned regularly. First effects are visible after 2 to 3 hours; the water is crystal clear within 6 to 12 hours. Tetra Crystal Water is suitable for all freshwater aquariums. Tetra Crystal Water Dosage Rates: Use 5ml per 10l of aquarium water or 2.5ml per 10l of aquarium water when KH value is ≤ 3° dH. Note: Do not use in tanks containing invertebrates such as snails, shrimps and other crustaceans. Review: 🤦‍♀️ not the same picture - is not the same in the picture crystal clear. its aquasafe 🤦‍♀️ high price Review: Not effective product - Not quick in response Not clear as mentioned ## Features - For crystal clear aquarium water - For all freshwater aquariums - Safe for most aquarium inhabitants - Fast acting formula: visible results within 6-12 hours - Packaging May Vary ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000XAAAIY | | Allergen Information | BPA-Free | | Best Sellers Rank | #35,725 in Pet Supplies ( See Top 100 in Pet Supplies ) #289 in Fish Medication & Health Supplies | | Brand | Tetra | | Brand Name | Tetra | | Country of Publication | Germany | | Customer Reviews | 4.4 out of 5 stars 2,050 Reviews | | Global Trade Identification Number | 04004218142046 | | Item Form | Liquid | | Item Type Name | Tetra CrystalWater 250ml | | Item Weight | 0.25 Kilograms | | Item form | Liquid | | Item weight | 0.25 Kilograms | | Liquid Volume | 250 Milliliters | | Liquid volume | 250 Milliliters | | Manufacturer | Tetra | | Manufacturer Part Number | 142046 | | Model Number | 142046 | | Pet Type | Fish | | Target Species | Shrimp | | Unit Count | 1 Count | | Unit count | 1 Count | ## Product Details - **Brand:** Tetra - **Liquid volume:** 250 Milliliters - **Item weight:** 0.25 Kilograms - **Item form:** Liquid - **Manufacturer:** Tetra ## Images ![Tetra Aqua Safe 250Ml - Image 1](https://m.media-amazon.com/images/I/71U3Yg6djNL.jpg) ![Tetra Aqua Safe 250Ml - Image 2](https://m.media-amazon.com/images/I/81tuUDCmlwL.jpg) ![Tetra Aqua Safe 250Ml - Image 3](https://m.media-amazon.com/images/I/81iwmyHaGmL.jpg) ![Tetra Aqua Safe 250Ml - Image 4](https://m.media-amazon.com/images/I/81Nd4OWu3TL.jpg) ![Tetra Aqua Safe 250Ml - Image 5](https://m.media-amazon.com/images/I/81h-rTTYulL.jpg) ## Customer Reviews ### ⭐ 🤦‍♀️ not the same picture *by M***N on 3 June 2025* is not the same in the picture crystal clear. its aquasafe 🤦‍♀️ high price ### ⭐⭐ Not effective product *by M***K on 16 June 2021* Not quick in response Not clear as mentioned ### ⭐⭐⭐⭐⭐ A fonctionné parfaitement *by C***N on 17 June 2026* A fonctionné la deuxième fois. J'ai testé le dosage simple et n'ai vu qu'une légère diminution du trouble. J'ai alors mis le dosage pour Kh faible (ce qui était mon cas) 48h après le premier essai et là, plus d'eau trouble. Les photos parlent d'elles mêmes. Je recommande donc ce produit ## Frequently Bought Together - Tetra Aqua Safe 250Ml - Tetra Aquasafe 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.at/products/297448762-tetra-aqua-safe-250ml](https://www.desertcart.at/products/297448762-tetra-aqua-safe-250ml) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-25*