---
product_id: 447462139
title: "InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce"
brand: "the pond guy"
price: "¥6213"
currency: JPY
in_stock: true
reviews_count: 8
category: "The Pond Guy"
url: https://www.desertcart.jp/products/447462139-instafix-algae-control-outdoor-water-garden-fountain-and-birdbath-algae
store_origin: JP
region: Japan
---

# Safe for fish & pets EPA registered algaecide Fast-acting formula InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce

**Brand:** the pond guy
**Price:** ¥6213
**Availability:** ✅ In Stock

## Summary

> 💧 Clear Water, Clear Mind – Algae Control Made Effortless

## Quick Answers

- **What is this?** InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce by the pond guy
- **How much does it cost?** ¥6213 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/447462139-instafix-algae-control-outdoor-water-garden-fountain-and-birdbath-algae)

## Best For

- the pond guy enthusiasts

## Why This Product

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

## Key Features

- • **Easy Weekly Maintenance:** Simple pour-and-treat application keeps your water crystal clear with minimal effort.
- • **Rapid Algae Elimination:** See visible results in just 1-2 days, winning the algae battle fast.
- • **Safe for Your Ecosystem:** Protects fish, birds, and plants while eliminating harmful algae growth.
- • **EPA Certified & Reliable:** Trust a professionally registered liquid algaecide for safe, effective control.
- • **Versatile Water Feature Solution:** Perfect for ponds, fountains, birdbaths, and water gardens of all sizes.

## Overview

The Pond Guy InstaFix Algae Control is a fast-acting, EPA registered liquid algaecide designed to eliminate green water, string algae, and blanketweed in outdoor ponds, fountains, and birdbaths. Safe for fish, birds, and plants, this 16-ounce treatment offers an easy pour-around-the-edge application that delivers visible results within days, making it the go-to solution for maintaining pristine water features.

## Description

Buy The Pond Guy InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce: Water Treatment - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great Product - This stuff is actually really good at helping to control algae. I was very impressed. I had terrible string algae in my pond, which is on the smaller side, and also has fish in it. It took a day or two, but it really made a noticeable difference. I would highly recommend!
Review: The Pond Guy InstaFix Algae Control - WORKS GREAT

## Features

- Fast Acting & Easy to Use -- InstaFix Algae Control helps you win the algae battle, offering fast-acting, easy-to-use algae control. Simply pour liquid treatment evenly around the pond's edge.
- EPA Registered Algaecide -- Control excessive algae blooms, green water, blanketweed, or string algae in your water garden or koi pond. Eliminate existing algae growth and control future algae growth.
- Controls String Algae & Algae Blooms -- Algae remover works best in water well aerated by an aerator, waterfall or fountain. Use InstaFix to treat existing algae growth or once a week for maintenance.
- Combats Green Water -- Eliminates planktonic algae that causes green water. Treatment is ideal for small outdoor ponds, water gardens, birdbaths, fountains, or other decorative water features.
- Safe for Fish and Plants -- When used as directed, treatment will not harm plants, fish, koi, goldfish, birds, livestock or wildlife. Do not use with snails, shrimp, clams, crustaceans or mollusks.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | The Pond Guy |
| Customer Reviews | 4.2 out of 5 stars 771 Reviews |
| Item Form | Liquid |
| Item Weight | 16 Ounces |
| Liquid Volume | 473 Milliliters |
| Manufacturer | The Pond Guy, Inc. |
| UPC | 810089840240 |

## Product Details

- **Brand:** The Pond Guy
- **Liquid Volume:** 473 Milliliters
- **Item Weight:** 16 Ounces
- **Item Form:** Liquid
- **Manufacturer:** The Pond Guy, Inc.

## Images

![InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce - Image 1](https://m.media-amazon.com/images/I/61FmBPJSi7L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by L***T on January 20, 2026*

This stuff is actually really good at helping to control algae. I was very impressed. I had terrible string algae in my pond, which is on the smaller side, and also has fish in it. It took a day or two, but it really made a noticeable difference. I would highly recommend!

### ⭐⭐⭐⭐⭐ The Pond Guy InstaFix Algae Control
*by L***R on February 12, 2026*

WORKS GREAT

### ⭐⭐⭐⭐ Great product
*by H***E on July 25, 2025*

Works great

## Frequently Bought Together

- The Pond Guy InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 Ounce
- Summit Clear-Water Barley Straw Pond Treatment, 2-Pack, Treats upto 2000 Gallons, 1000 Gallons per Bale
- The Pond Guy RapidClear Flocculant, Water Garden Clarifier Treatment, Clear Cloudy Outdoor Koi Fish Ponds & Fountains, Plant & Animal Safe, 32 Ounces

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**Shop now:** [https://www.desertcart.jp/products/447462139-instafix-algae-control-outdoor-water-garden-fountain-and-birdbath-algae](https://www.desertcart.jp/products/447462139-instafix-algae-control-outdoor-water-garden-fountain-and-birdbath-algae)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-19*