---
product_id: 106797512
title: "Fish R Fun Bio-Rings 400G"
brand: "fish r fun"
price: "€ 31.96"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/106797512-fish-r-fun-bio-rings-400g
store_origin: FI
region: Finland
---

# Supports fish health Biological filtration 400g weight Fish R Fun Bio-Rings 400G

**Brand:** fish r fun
**Price:** € 31.96
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into a Cleaner Aquarium Experience!

## Quick Answers

- **What is this?** Fish R Fun Bio-Rings 400G by fish r fun
- **How much does it cost?** € 31.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/106797512-fish-r-fun-bio-rings-400g)

## Best For

- fish r fun enthusiasts

## Why This Product

- Trusted fish r fun brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Elevate Your Aquarium:** Transform your tank into a thriving ecosystem!
- • **Optimal Water Quality:** Maintain crystal-clear water for your aquatic friends.
- • **Boost Bacterial Growth:** Encourage beneficial bacteria for a balanced aquatic environment.
- • **Effortless Maintenance:** No batteries needed—just pure filtration power.
- • **Compatible with Multiple Filters:** Fits a variety of Fish R Fun filters for ultimate versatility.

## Overview

Fish R Fun Bio-Rings 400G are essential for biological filtration, designed to support bacterial growth and maintain optimal water quality in your aquarium. Weighing 400 grams, these bio-rings are compatible with various Fish R Fun filters, ensuring a healthy environment for your fish without the hassle of batteries.

## Description

Fish R Fun replacement bio-rings 250g A loose bag of bio-rings for use with fish r fun filters 330/370/370HT/431/440/450/511/555/555HT/777 For biological filtration, supports bacterial growth in filters to help maintain good water quality

## Features

- Fish R Fun Bio-Rings 250g
- Contains loose bio-rings total weight 250g
- For biological Filtration
- For Fish R Funb Filters 330/370/370HT/431/440/450/511/555/555HT/777
- Helps support bacterial growth in filters to maintain good water quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 11.4 x 8.61 x 5.99 cm; 400 Grams |
| Quantity | 1 |
| Batteries required | No |
| Batteries Included | No |
| Item Weight | 400 g |

## Images

![Fish R Fun Bio-Rings 400G - Image 1](https://m.media-amazon.com/images/I/41bLewxMqYL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/106797512-fish-r-fun-bio-rings-400g](https://www.desertcart.fi/products/106797512-fish-r-fun-bio-rings-400g)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-02*