---
product_id: 4097749
title: "Water Clarifier, Aquarium Treatment Solution, 8.45 oz, Clears Cloudy Aquarium Water, Safe to Use with Fish and Plants, For Fresh Water"
brand: "tetra"
price: "9939 Ft"
currency: HUF
in_stock: true
reviews_count: 13
category: "Tetra"
url: https://www.desertcart.hu/products/4097749-water-clarifier-aquarium-treatment-solution-8-45-oz-clears-cloudy
store_origin: HU
region: Hungary
---

# Clears cloudy water fast Safe for soft water & fish 1 tsp treats 10 gallons Water Clarifier, Aquarium Treatment Solution, 8.45 oz, Clears Cloudy Aquarium Water, Safe to Use with Fish and Plants, For Fresh Water

**Brand:** tetra
**Price:** 9939 Ft
**Availability:** ✅ In Stock

## Summary

> 💧 Clear water, clear mind — elevate your aquarium game today!

## Quick Answers

- **What is this?** Water Clarifier, Aquarium Treatment Solution, 8.45 oz, Clears Cloudy Aquarium Water, Safe to Use with Fish and Plants, For Fresh Water by tetra
- **How much does it cost?** 9939 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/4097749-water-clarifier-aquarium-treatment-solution-8-45-oz-clears-cloudy)

## 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

- • **Trusted Legacy:** From Tetra, a brand synonymous with aquarium care since 1951.
- • **Precision Dosing:** 1 teaspoon treats 10 gallons—perfect control for every aquarium size.
- • **Fish-Friendly Formula:** Gentle on delicate fish and plants, even in ultra-soft water conditions.
- • **Effortless Maintenance:** Clumps suspended particles for easy removal via your existing filter system.
- • **Crystal Clear Confidence:** Transforms murky tanks into sparkling aquatic havens within hours.

## Overview

Tetra Water Clarifier is an 8.45 oz phosphate-free liquid solution designed to rapidly clear cloudy freshwater aquariums by clumping suspended particles for easy filtration. Safe for fish and plants, it works effectively even in very soft water conditions without altering pH levels. Trusted by aquarists since 1951, it offers precise dosing with 1 teaspoon treating 10 gallons, ensuring a crystal-clear aquatic environment with minimal effort.

## Description

Tetra WaterClarifier clears cloudy aquarium water caused by overfeeding gravel dust and other minute suspended particles This phosphate-free liquid solution is safe to use in all freshwater aquariums This effective formula works by causing small suspended particles to quickly clump together These larger particles are then removed during normal power filter operation This formula is based on clarifiers used to treat drinking water It’s safe to use with fish and plants and will not affect water pH levels in your aquarium Unlike many clariﬁcation products on the market Tetra WaterClariﬁer is safe for ﬁsh even in very soft water (low KH) conditions However in extremely low KH conditions below 1KH half dosage is recommended If in doubt about your water’s hardness perform a 20% water change before treatment Be sure to use Tetra AquaSafe water conditioner for each partial water change and Tetra EasyStrips Test Strips to measure your water’s hardness Since 1951 Tetra has developed the world’s most comprehensive body of fish food knowledge and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home Whether you're an experienced hobbyist or just starting out Tetra has everything you need – from a large variety of quality fish food and innovative equipment to test kits and decor

Review: Wow! Talk about fast acting! - I've had a Fluval Edge six gallon aquarium for decades, like since whenever they first went on sale. Years ago I had huge tanks. No more. I am good with my fish. Few deaths. Lots of fun. Last November I decided that as the New York City area was collapsing, I'd sell my house and move to Arizona. That evolved donating my Cherry Barbs to the local aquarium store, emptying my tank and moving. It took me awhile to set up the tank again but when I did, I bought more Cherry Barbs in the local pet store. All was well for a short while until one of the newly arrived Cherry Barbs died behind a rock. By the time I found it, it was pretty well decomposed. I got it out of the tank, changed the filter stuff and did a 1/3 water change. At some point the water began to cloud and no amount of water changing or filter cleaning could clear it. I can only suggest it was the dead barb that started this cloudiness off. Can't say for sure. Anyway, something had to be done so I read reviews of all the aquarium water clarifiers on the market and decided to give Tetra a shot. It seemed the least toxic. I was determined not to over do it. Six gallon tank minus room for gravel, a rock and a fake plant. If a teaspoon is the right amount for a ten gallon tank, I figured I'd try half a teaspoon for this one. I measured, I dumped an I hoped for the best. An hour later the water was totally clear and the fish are fine! It's like a different tank. I'll give it awhile and later today I'll clean out the filter. This stuff is HIGHLY recommended by me.
Review: Fish - Works well in the fish tanks

## Features

- FOR FRESHWATER aquariumS Quickly clears cloudy or hazy water caused by overfeeding gravel dust and other minute suspended particles
- CLUMPING ACTION Causes small suspended particles to quickly clump together to settle or be removed during normal power filter operation
- WORKS ON SOFT WATER Safe for fish even in very soft water (low kH) conditions
- USAGE 1 teaspoon treats 10 gallons of water
- Included Components: Tetra Water Clarifier (8.45 Oz)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002DVWSVI |
| ASIN  | B002DVWSVI |
| Age Range Description | all |
| Best Sellers Rank | #12,063 in Pet Supplies ( See Top 100 in Pet Supplies ) #89 in Aquarium Water Treatments |
| Brand Name | Tetra |
| Country of Origin | Germany |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,763) |
| Date First Available | June 20, 2004 |
| Date First Available  | June 20, 2004 |
| Department | Unisex-Adult |
| Department  | Unisex-Adult |
| Directions | See label |
| Included Components | Tetra Water Clarifier (8.45 oz) |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions LxWxH | 1.63 x 3 x 7 inches |
| Item Package Dimensions L x W x H | 6.7 x 3.1 x 1.7 inches |
| Item Weight | 0.52 Pounds |
| Item model number | 77136 |
| Item model number  | 77136 |
| Manufacturer | Tetra |
| Manufacturer  | Tetra |
| Material | Plastic |
| Model Name | Water Clarifier, Aquarium Treatment Solution |
| Number of Items | 1 |
| Product Dimensions  | 1.63 x 3 x 7 inches; 8.32 ounces |
| Size | 8.84 oz |
| Specific Uses for Product | Active |
| Target Audience Keyword | fish |
| Warranty Description | See label |

## Product Details

- **Brand:** Tetra
- **Item Form:** Liquid
- **Item Weight:** 0.52 Pounds
- **Liquid Volume:** 8.45 Fluid Ounces
- **Manufacturer:** Tetra

## Images

![Water Clarifier, Aquarium Treatment Solution, 8.45 oz, Clears Cloudy Aquarium Water, Safe to Use with Fish and Plants, For Fresh Water - Image 1](https://m.media-amazon.com/images/I/719dTKZ7BDL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Wow! Talk about fast acting!
*by C***L on October 8, 2022*

I've had a Fluval Edge six gallon aquarium for decades, like since whenever they first went on sale. Years ago I had huge tanks. No more. I am good with my fish. Few deaths. Lots of fun. Last November I decided that as the New York City area was collapsing, I'd sell my house and move to Arizona. That evolved donating my Cherry Barbs to the local aquarium store, emptying my tank and moving. It took me awhile to set up the tank again but when I did, I bought more Cherry Barbs in the local pet store. All was well for a short while until one of the newly arrived Cherry Barbs died behind a rock. By the time I found it, it was pretty well decomposed. I got it out of the tank, changed the filter stuff and did a 1/3 water change. At some point the water began to cloud and no amount of water changing or filter cleaning could clear it. I can only suggest it was the dead barb that started this cloudiness off. Can't say for sure. Anyway, something had to be done so I read reviews of all the aquarium water clarifiers on the market and decided to give Tetra a shot. It seemed the least toxic. I was determined not to over do it. Six gallon tank minus room for gravel, a rock and a fake plant. If a teaspoon is the right amount for a ten gallon tank, I figured I'd try half a teaspoon for this one. I measured, I dumped an I hoped for the best. An hour later the water was totally clear and the fish are fine! It's like a different tank. I'll give it awhile and later today I'll clean out the filter. This stuff is HIGHLY recommended by me.

### ⭐⭐⭐⭐⭐ Fish
*by M***A on December 18, 2025*

Works well in the fish tanks

### ⭐⭐⭐⭐⭐ Added it to my 60-gallon tank - before and after pictures
*by A***. on May 10, 2023*

Berfore: My tank is cloudy, probably from having its light on too much, from overfeeding and from algae. When I remove algae with a sponge and a scraper it's going to float and mess up the water a little. Did a 25 percent water change and put new Poly-fill in my Seachem Fluval 75 HOB filter. Then this evening at 7 pm I took a picture and added 30 ml of Tetra Water Clarifier to the water. (That was easy to do because the bottle has a very small opening and there are raised lines on its side each indicating 10 ml. So I kept pouring until the level was down three lines.) AFTER: It's five days later. After 48 hours I did a 25 percent water change and added another 30 ml dose. Then 48 hours later a third dose, changing my Poly-Fill filter, which had already tra[[ed much fine "stuff". IT WORKED! (see third picture) Tank is much clearer. But not "crystal clear" No fish were harmed. So I give it five stars. Cloudiness can have many causes and can be hard to deal with. Epecting this one inexpensive solution to do the whole job in most cases isn't realistic. In my case, I know there is more for me to do. Partial water changes more often. Less food. Leave the light on much less. It may be a bacterial problem and my HOB filter's bag of biological pellets may have been messed up (out of the water too long) a few weeks ago. Extreme water changes could be the wrong thing to do. It may clear up in another week or two. Patience.

## Frequently Bought Together

- Tetra Water Clarifier, Aquarium Treatment Solution, 8.45 oz, Clears Cloudy Aquarium Water, Safe to Use with Fish and Plants, For Fresh Water
- Tetra 77140 EasyBalance PLUS Water Conditioner, 16.9-Ounce
- Tetra Fish Tank Water Conditioner and Dechlorinator, Aquasafe Plus, Fresh Water and Marine Aquariums 33.8-Ounce

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-13*