---
product_id: 18370578
title: "SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon"
brand: "seaklear"
price: "1969 kr"
currency: DKK
in_stock: true
category: "Sea Klear"
url: https://www.desertcart.dk/products/18370578-seaklear-90-day-algae-prevention-and-remover-1-gallon
store_origin: DK
region: Denmark
---

# 1-Gallon Capacity 11.8% Copper Content 90-Day Algae Guarantee SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon

**Brand:** seaklear
**Price:** 1969 kr
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into Crystal Clear Waters!

## Quick Answers

- **What is this?** SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon by seaklear
- **How much does it cost?** 1969 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/18370578-seaklear-90-day-algae-prevention-and-remover-1-gallon)

## Best For

- seaklear enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Use:** Perfect for all pool types—just 16 oz per 10,000 gallons for prevention!
- • **Algae-Free Guarantee:** Enjoy a 90-day algae-free pool experience!
- • **Non-Staining Formula:** Keep your pool pristine with our non-foaming, non-staining solution.
- • **Long-Lasting Treatment:** Each application lasts up to three months for hassle-free maintenance.
- • **Powerful Algae Defense:** Effectively combats blue-green, black, and mustard algae.

## Overview

The SeaKlear 90311SKR Prevention and Remover is a powerful 1-gallon algae treatment designed to keep your pool clean and clear for up to 90 days. With a potent formula containing 11.8% Copper Sulfate Pentahydrate, it effectively kills and prevents various types of algae while ensuring a non-staining and non-foaming experience. Ideal for all pool types, this treatment offers long-lasting protection with easy application.

## Description

SeaKlear 90-Day Algae Prevention & Remover, 1 Gallon Bottle. kills & prevents blue-green, green, yellow & black algae.

## Features

- Reliable & Effective
- 90-days no algae guarantee (when used according to instructions in balanced pool water)
- Kills and prevents blue-green, green, yellow and black algae
- Non-foaming, non-staining (when used according to instructions in balanced pool water)
- 11.8% Copper Sulfate Pentahydrate; 3% Copper as elemental
- Effective against blue-green, black and mustard algae
- Nonstaining formula
- Each treatment will last three months
- Use 16 fluid ounce 10000-gallon of pool water to prevent algae growth in all pool types
- For severe algae treatment use 32 fluid ounce per 10000-gallon of pool water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0049VVA0K |
| Best Sellers Rank | #109,227 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #83 in Swimming Pool Algaecides |
| Brand Name | SeaKlear |
| Customer Reviews | 4.6 4.6 out of 5 stars (122) |
| Item Form | Liquid |
| Item Type Name | Prevention and Remover, 1-Gallon |
| Item Weight | 9.2 pounds |
| Manufacturer | SeaKlear |
| Manufacturer Part Number | 90311SKR |
| Model Number | 90311SKR |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package Size Name | 128 Fl Oz |
| Product Benefits | Controls Algae |
| UPC | 662817903112 |
| Unit Count | 128 Fluid Ounces |

## Product Details

- **Brand:** SeaKlear
- **Item Form:** Liquid
- **Item Weight:** 9.2 pounds
- **Product Benefits:** Controls Algae
- **UPC:** 662817903112

## Images

![SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon - Image 1](https://m.media-amazon.com/images/I/61QtDIUO5YL.jpg)
![SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon - Image 2](https://m.media-amazon.com/images/I/418hje1RppL.jpg)
![SeaKlear 90 Day Algae Prevention and Remover, 1-Gallon - Image 3](https://m.media-amazon.com/images/I/41QXuQpww-L.jpg)

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**Shop now:** [https://www.desertcart.dk/products/18370578-seaklear-90-day-algae-prevention-and-remover-1-gallon](https://www.desertcart.dk/products/18370578-seaklear-90-day-algae-prevention-and-remover-1-gallon)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-11-03*