---
product_id: 116412489
title: "SePRO Captain XTR Liquid Copper Algaecide (2.5 Gallons)"
brand: "sepro"
price: "1863.76 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Se Pro"
url: https://www.desertcart.tn/products/116412489-sepro-captain-xtr-liquid-copper-algaecide-2-5-gallons
store_origin: TN
region: Tunisia
---

# 2.5 gallons liquid formula Optimized copper penetration Safe for swimming & irrigation SePRO Captain XTR Liquid Copper Algaecide (2.5 Gallons)

**Brand:** sepro
**Price:** 1863.76 DT
**Availability:** ✅ In Stock

## Summary

> 🛡️ Command your waters with Captain XTR — algae doesn’t stand a chance!

## Quick Answers

- **What is this?** SePRO Captain XTR Liquid Copper Algaecide (2.5 Gallons) by sepro
- **How much does it cost?** 1863.76 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/116412489-sepro-captain-xtr-liquid-copper-algaecide-2-5-gallons)

## Best For

- sepro enthusiasts

## Why This Product

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

## Key Features

- • **Proven Pond Power:** Trusted by pond pros to eliminate stubborn algae & weeds fast
- • **Eco-Friendly Efficiency:** Controls algae without compromising water usability or ecosystem health
- • **Precision Copper Infusion:** Advanced formula boosts copper absorption for max algae control
- • **Multi-Use Safety Assurance:** Safe for swimming, fishing, livestock watering & crop irrigation during & after use
- • **Broad-Spectrum Algae Defense:** Targets tough mat-forming, colonial & mucilaginous species effortlessly

## Overview

SePRO Captain XTR Liquid Copper Algaecide is a 2.5-gallon advanced liquid treatment designed to maximize copper penetration into algae cells, delivering superior control over all algae types, including the toughest mat-forming and colonial species. Its safe formulation allows treated waters to remain usable for swimming, fishing, livestock watering, and irrigation, making it the go-to solution for professional-grade pond and water garden management.

## Description

Captain XTR is the best available technology for the control of all algae types. Captain XTR is optimized to increase the penetration of copper into algae cells, enhancing the efficacy of the product. This formulation is especially impactful when targeting tough to control mat-forming, colonial, and mucilaginous species. Waters treated with Captain XTR may be used for swimming, fishing, watering livestock, and irrigation of food and non-food crops (e.g. turf, ornamentals) during and after application. Algae Control through Infusion Copper infusion rate is impacted by specialized formulation technology Captain XTR Infusion results in more copper penetrating algae cells, improving the control of unwanted species Captain XTR offers enhanced performance on challenging species, such as Lyngbya, Oscillatoria, Microcystis, Pithophora, Rhizoclonium, and Nitellopsis obtuse (Starry stonewort)

Review: This works! - This works on our difficult to manage ponds
Review: Great product - Worked great to eliminate weeds and algae in our pond. But thanks to advice from a pond management buddy I used 1 qt per gallon in my sprayer. Algae and weeds are GONE!!

## Features

- OPTIMIZATION: Captain XTR increases the penetration of copper into algae cells, enhancing the efficacy of the product
- INFUSION: Results in more copper penetrating algae cells, improving the control of unwanted species
- RELIABILITY: Formulation is especially impactful when targeting tough to control mat-forming, colonial, and mucilaginous species
- QUALITY: Best available technology for the control of all algae types.
- SAFE: Waters treated with Captain XTR may be used for swimming, fishing, watering livestock, and irrigation of food and non-food crops (e.g. turf, ornamentals) during and after application

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GH9L7WT |
| Best Sellers Rank | #143,300 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #356 in Water Garden & Pond Treatment |
| Brand | SePRO |
| Brand Name | SePRO |
| Customer Reviews | 4.5 out of 5 stars 35 Reviews |
| Item Form | Copper,Liquid |
| Manufacturer | SePRO Corporation |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Benefits | Controls Algae |
| UPC | 811055011176 |
| Unit Count | 320 Fluid Ounces |

## Product Details

- **Brand:** Sepro Corporation
- **Item Form:** Copper,Liquid
- **Number of Packs:** 1
- **Product Benefits:** Controls Algae
- **UPC:** 811055011176

## Images

![SePRO Captain XTR Liquid Copper Algaecide (2.5 Gallons) - Image 1](https://m.media-amazon.com/images/I/31wbQFkk2oL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ This works!
*by C***K on June 25, 2025*

This works on our difficult to manage ponds

### ⭐⭐⭐⭐⭐ Great product
*by T***3 on September 26, 2024*

Worked great to eliminate weeds and algae in our pond. But thanks to advice from a pond management buddy I used 1 qt per gallon in my sprayer. Algae and weeds are GONE!!

### ⭐⭐⭐⭐⭐ Worked for my pond
*by T***7 on November 7, 2024*

I will be buying this product again for next season.

## Frequently Bought Together

- SePRO Captain XTR Liquid Copper Algaecide (2.5 Gallons)
- Airmax Pond Dye Packets Nature's Blue Colorant for Large Pond & Lake, Beneficial UV Blocking Color Concentrate, Maintain Clean & Clear Pond, Fish, Bird & Animal Safe, Easy Treatment, 2 Soluble Packets
- Captain Liquid Copper Algaecide - 1 Gallon Professional-Grade Algae Killer for Lakes & Ponds, EPA Approved to Control All Types of Algae (Planktonic, Filamentous, and Chara)

---

## 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.tn/products/116412489-sepro-captain-xtr-liquid-copper-algaecide-2-5-gallons](https://www.desertcart.tn/products/116412489-sepro-captain-xtr-liquid-copper-algaecide-2-5-gallons)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-06*