---
product_id: 43368241
title: "Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs"
brand: "applied biochemists"
price: "€ 455.95"
currency: EUR
in_stock: true
reviews_count: 8
category: "Applied Biochemists"
url: https://www.desertcart.be/products/43368241-cutrine-plus-aquatic-algaecide-2-5-gallon-liquid-copper-formula
store_origin: BE
region: Belgium
---

# Fast-acting algae control in 1-2 days Broad spectrum: planktonic, filamentous & chara algae Double-chelated copper formula for hard water Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs

**Brand:** applied biochemists
**Price:** € 455.95
**Availability:** ✅ In Stock

## Summary

> 🌊 Clear waters, zero wait—algae’s worst nightmare!

## Quick Answers

- **What is this?** Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs by applied biochemists
- **How much does it cost?** € 455.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/43368241-cutrine-plus-aquatic-algaecide-2-5-gallon-liquid-copper-formula)

## Best For

- applied biochemists enthusiasts

## Why This Product

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

## Key Features

- • **Hard Water Hero:** Double-chelated copper formula ensures peak performance even in challenging water conditions.
- • **Safe & Versatile Use:** EPA-approved and safe for fishing, swimming, irrigation, and livestock—no downtime required.
- • **Pro-Grade Application:** Simple spray method for targeted treatment—perfect for large bodies or spot fixes.
- • **Rapid Algae Eradication:** See visible algae reduction within 48 hours—stay ahead of pond problems.
- • **Comprehensive Algae Defense:** Effectively controls all major algae types for crystal-clear water and balanced ecosystems.

## Overview

Cutrine-Plus is a professional-grade, fast-acting liquid algaecide featuring a double-chelated copper formula designed for effective control of planktonic, filamentous, and chara algae in ponds, lakes, and reservoirs. Trusted by experts, it delivers visible results within 1-2 days and is safe for fishing, swimming, irrigation, and livestock use. Its EPA approval and compatibility with hard water make it a reliable solution for maintaining pristine aquatic environments without disrupting recreational or agricultural activities.

## Description

A concentrated liquid algaecide with a wide range of labeled use sites. 1)Contains chelated copper which stays in solution to continue controlling a broad range of algae well after application. 2)Waters treated with this product may be used immediately for fishing, swimming, livestock, or irrigating or drinking. 3)Do not use in waters containing koi, hybrid goldfish, or trout or if hardness of the water is <50ppm. 4)9% Copper from mixed ethanolamine complexes. We do not ship to CA, CT, ME, NJ, NY, OR, or WA. Orders placed from these states will be cancelled. About the Brand: Applied Biochemists was developed for use in lakes, ponds, and other outdoor bodies of water. Our water care products are both economical and powerful enough for the toughest jobs. Within Applied Biochemists’ wide selection of products, we offer everything from algaecides and deposit control formulas to non-chlorine shock treatments, powerful surface cleaners, clarifiers, enzyme-based cleaners, and more.

Review: Great pond care product. - Works great. And doesn’t hurt the fish.
Review: Works great on algae. - Used this with plexmate surfactant to kill algae. Gone in 24-48 hours. Works great.

## Features

- Cutrine Plus targets all major algae types-planktonic, filamentous, and chara-for total water clarity and balance in lakes, ponds, and reservoirs
- Fast-Acting Algae Solution Used by Experts: Can see reduction in algae growth within 1-2 days
- No restrictions on fishing, drinking, swimming, or irrigation. Safe for wildlife and livestock. Avoid use in waterbodies with copper-sensitive fish, like koi or trout -EPA approved
- Simple Spray Application just use on targeted areas using a sprayer. Great for both large-scale and spot treatments
- Ideal for algae on the surface or in the water column. Works in hard water.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002HJBNLC |
| Best Sellers Rank | #119,828 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #274 in Water Garden & Pond Treatment |
| Brand | APPLIED BIOCHEMISTS |
| Brand Name | APPLIED BIOCHEMISTS |
| Customer Reviews | 4.5 out of 5 stars 218 Reviews |
| Global Trade Identification Number | 00038005901251 |
| Included Components | 1 |
| Item Form | Liquid |
| Item Type Name | Aquatic Algaecide |
| Liquid Volume | 2.5 gallons |
| Manufacturer | Applied Biochemist |
| Manufacturer Part Number | 390225A |
| Model Number | 390225A |
| Number of Items | 1 |
| Target Species | Fish |
| UPC | 038005901251 |
| Unit Count | 1 Count |
| Warranty Description | No_warranty |

## Product Details

- **Brand:** APPLIED BIOCHEMISTS
- **Item Form:** Liquid
- **Liquid Volume:** 2.5 gallons
- **Manufacturer:** Applied Biochemist
- **Unit Count:** 1 Count

## Images

![Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs - Image 1](https://m.media-amazon.com/images/I/61Bs8xsQb0S.jpg)
![Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs - Image 2](https://m.media-amazon.com/images/I/71ktxYp-HKL.jpg)
![Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs - Image 3](https://m.media-amazon.com/images/I/71xXF22-8zL.jpg)
![Cutrine-Plus Aquatic Algaecide - 2.5 Gallon Liquid Copper Formula for Planktonic and Filamentous Algae - Fast-Acting, Double-Chelated for Hard Water - Used by Pros in Ponds, Lakes, Canals and Reservoirs - Image 4](https://m.media-amazon.com/images/I/81JljMaZr7S.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great pond care product.
*by D***S on May 20, 2026*

Works great. And doesn’t hurt the fish.

### ⭐⭐⭐⭐⭐ Works great on algae.
*by T***N on May 7, 2026*

Used this with plexmate surfactant to kill algae. Gone in 24-48 hours. Works great.

### ⭐⭐⭐⭐⭐ Slow to work but works great
*by S***R on July 4, 2021*

I’m updating the review in this because the product took a little longer to work but our pond looks amazing after two week and only half the container

---

## 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.be/products/43368241-cutrine-plus-aquatic-algaecide-2-5-gallon-liquid-copper-formula](https://www.desertcart.be/products/43368241-cutrine-plus-aquatic-algaecide-2-5-gallon-liquid-copper-formula)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-02*