---
product_id: 10380626
title: "8\"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need"
brand: "pond h2o"
price: "€ 93.38"
currency: EUR
in_stock: true
reviews_count: 10
category: "Pond H2o"
url: https://www.desertcart.hr/products/10380626-8-200mm-plate-airstone-for-koi-ponds-and-aquariums-air
store_origin: HR
region: Croatia
---

# 200 L/min airflow capacity 8" (200mm) diameter plate size Sintered at 1000°C for durability 8"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need

**Brand:** pond h2o
**Price:** € 93.38
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your pond’s vibe with oxygen-rich bubbles that keep your aquatic world thriving!

## Quick Answers

- **What is this?** 8"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need by pond h2o
- **How much does it cost?** € 93.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/10380626-8-200mm-plate-airstone-for-koi-ponds-and-aquariums-air)

## Best For

- pond h2o enthusiasts

## Why This Product

- Trusted pond h2o brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful Airflow:** Supports up to 200 liters per minute, maximizing oxygen circulation for healthier ecosystems.
- • **Microbubble Magic:** Generates rich oxygen microbubbles to supercharge aquatic life and banish algae blooms.
- • **Heavy-Duty Stability:** Dense stone design ensures it stays anchored at the pond bottom, no drifting worries.
- • **Versatile Aquatic Ally:** Perfect for koi ponds, hydroponics, salt & freshwater tanks, and garden water features.
- • **High-Temp Sintered Strength:** Crafted from minerals sintered at 1000°C for long-lasting, reliable aeration performance.

## Overview

This 8" (200mm) plate airstone is engineered for large ponds and aquariums, delivering up to 200 liters per minute of fine oxygen microbubbles. Made from minerals sintered at 1000°C, it offers exceptional durability and stability, sitting firmly at the pond bottom. Ideal for koi ponds, hydroponic systems, and both fresh and saltwater environments, it enhances water circulation and promotes a vibrant, healthy aquatic habitat.

## Description

8"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need. Fine Bubbles: The plate air stone disc produces lots of rich micro bubbles of oxygen. A great way to oxygenate your hydroponic growing systems, koi fish ponds, water gardens, aquariums and enliven the aquatic life and create a healthy habitat. Made of minerals that are sintered at a high temperature, to encourage longer lasting product. Perfect for both fresh and salt water environments like fish tanks, water gardens, bird baths, ponds, DWC reservoirs, aquariums and more. Airflow dependent on depth of Pond and output of airpump. Pump required, Not Included

Review: Bye bye algae bloom - Awesome addition to my koi pond. Had a bloom of algae when the water warmed and the extra oxygen produced from the Stone got it in check.
Review: This airstone is recommended by desertcart as an accessory for the pond bubbler ... - This airstone is recommended by desertcart as an accessory for the pond bubbler I bought. But it is NOT suitable to fit the hose gauge on that bubbler. Beware. This stone seems like a good one but it does NOT suit the Danner AP-20 bubbler.

## Features

- Sintered Airstone to 1000 degrees
- 5/16 8mm Fitting for airline
- Suitable for a large size pond or Koi Pond up to 200L per minute of air
- 8 Inch (200mm) diameter and 1 inch deep
- Heavy stone will sit on bottom of pond

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008BG0Q4A |
| Air Flow Capacity | 200 Liters Per Minute |
| Best Sellers Rank | #209,757 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,045 in Aquarium Air Pump Accessories |
| Brand Name | Pond H2o |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (353) |
| Item Dimensions L x W x H | 7.87"L x 9"W x 1"H |
| Item Weight | 1.15 Kilograms |
| Manufacturer | United Aquatics LLC |
| Material Type | Stone |
| Operation Mode | Manual |
| Power Source | Manual |

## Product Details

- **Brand:** Pond H2o
- **Color:** Black
- **Item Weight:** 1.15 Kilograms
- **Material:** Stone
- **Product Dimensions:** 7.87"L x 9"W x 1"H

## Images

![8"/200mm Plate Airstone for Koi Ponds & Aquariums, Air Stone for Larger Pump Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, hydroponic, Fish Tank or Any Aeration Need - Image 1](https://m.media-amazon.com/images/I/81AdSOi-V5L.jpg)

## Questions & Answers

**Q: What size pond (in gallons) is this suitable for?**
A: My pond is about 4000 gallons with waterfall but when temps get hot for a long period of time a waterfall just doesn't produce enough oxygen. This is just right size for my pond. Hope this helps. Can never have too much oxygen

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bye bye algae bloom
*by G***W on June 8, 2020*

Awesome addition to my koi pond. Had a bloom of algae when the water warmed and the extra oxygen produced from the Stone got it in check.

### ⭐⭐⭐ This airstone is recommended by Amazon as an accessory for the pond bubbler ...
*by D***H on December 1, 2015*

This airstone is recommended by Amazon as an accessory for the pond bubbler I bought. But it is NOT suitable to fit the hose gauge on that bubbler. Beware. This stone seems like a good one but it does NOT suit the Danner AP-20 bubbler.

### ⭐⭐⭐⭐⭐ Great product
*by K***N on September 9, 2014*

Speedy arrival, and product highly recommended , very pleased

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hr/products/10380626-8-200mm-plate-airstone-for-koi-ponds-and-aquariums-air](https://www.desertcart.hr/products/10380626-8-200mm-plate-airstone-for-koi-ponds-and-aquariums-air)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-02*