---
product_id: 85751916
title: "BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear"
brand: "bioguard"
price: "376 Lei"
currency: RON
in_stock: true
reviews_count: 8
category: "Bio Guard"
url: https://www.desertcart.ro/products/85751916-bioguard-back-up-2-1-quart-single-proven-effective-algae
store_origin: RO
region: Romania
---

# 32 fl oz powerful liquid Targets algae in micro cracks UV-stable, won’t evaporate BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear

**Brand:** bioguard
**Price:** 376 Lei
**Availability:** ✅ In Stock

## Summary

> 💦 Keep your pool crystal clear and algae-free—because your summer deserves the best splash!

## Quick Answers

- **What is this?** BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear by bioguard
- **How much does it cost?** 376 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/85751916-bioguard-back-up-2-1-quart-single-proven-effective-algae)

## Best For

- bioguard enthusiasts

## Why This Product

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

## Key Features

- • **Sun-Proof Formula:** UV-stable and won’t evaporate, ensuring long-lasting protection even under the hottest sun.
- • **Deep Penetration Power:** Advanced surfactant reaches algae in tiny cracks and crevices for total pool clarity.
- • **pH Neutral & Non-Staining:** Keeps your pool chemistry balanced and your surfaces spotless—no compromises.
- • **Algae Defense on Autopilot:** Prevents algae growth before it starts with weekly use—stay ahead, stay pristine.
- • **Seamless System Compatibility:** Integrates effortlessly with BioGuard’s 3-Step Care System for ultimate pool maintenance ease.

## Overview

BioGuard Back Up 2-1 Quart is a highly effective, non-staining algaecide designed to prevent a wide variety of algae growth. Its UV-stable formula intensifies with rising water temperatures and features a powerful wetting agent that penetrates microscopic cracks where algae begin. Compatible with BioGuard’s 3-Step Care System, it maintains pool clarity without affecting pH levels, making it a trusted choice for professional-grade pool maintenance.

## Description

BioGuard Back Up Algaecide is BioGuard's most effective algae preventative. The highly effective formula prevents wide variety of algae growth. It's stable in sunlight and will not evaporate. The activity of this product increases as water temperature rises, which is when you need protection the most. Back Up has a powerful surfactant/wetting agent, which makes it able to work in the tiny cracks and crevices where algae starts. This product will not affect pH levels and is non-staining.

Review: BioGuard Products are Amazing!! - I love all the BioGuard products, they all work awesome! This algaecide not only kills algae but it will kill all nuisance bugs that get into your pool. Will continue to purchase all BioGuard products & say goodbye to local pool store rubbish products. Thanks BioGuard, you saved me heaps of money.
Review: Bio guard chemicals - I use bio guard pool chemicals. They work well.

## Features

- Highly Effective Algae Preventative: Our non-staining highly effective formula prevents a wide variety of algae growth. Weekly use of Back Up 2 prevents before it starts. It's stable in sunlight and will not evaporate. The activity of this product increases as water temperature rises, which is when you need protection the most.
- Powerful Wetting Agent: Our Back Up 2 has a powerful surfactant agent, which makes it able to work in the tiny cracks and crevices where algae starts. It does not affect pH levels.
- Add this product directly to the pool by pouring around the outside perimeter of the pool while filter and pump are in operation. This product is not recommended for use in pools that feature attached spas or intricate water features.
- Compatible with the 3-Step BioGuard Care System: This product seamlessly integrates with either the 3-Step or Once-A-Week 3-Step BioGuard Care System, offering flexibility and convenience for pool owners. The addition of algicide is needed for proper pool maintenance.
- Tested and Proven Effective: BioGuard products are known for delivering reliable results and making pool care easy. BioGuard carries an extensive line of pool solutions for all needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N1FBFZL |
| Best Sellers Rank | #63,747 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #46 in Swimming Pool Algaecides |
| Brand | BioGuard |
| Customer Reviews | 4.8 4.8 out of 5 stars (526) |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Weight | 2 pounds |
| Item model number | BIO23050 |
| Manufacturer | BioGuard |
| Number of Items | 1 |
| Product Benefits | Controls Algae |
| Product Dimensions | 3.78 x 1.26 x 3.19 inches |
| UPC | 017541000581 017541262668 017541652469 |
| Unit Count | 32.0 Fluid Ounces |

## Product Details

- **Brand:** BioGuard
- **Item Form:** Liquid
- **Item Weight:** 2 Pounds
- **Product Benefits:** Controls Algae
- **UPC:** 017541000581 017541262668 017541652469

## Images

![BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear - Image 1](https://m.media-amazon.com/images/I/413VP1ZxS-L.jpg)
![BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear - Image 2](https://m.media-amazon.com/images/I/61i4Krrm3FL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ BioGuard Products are Amazing!!
*by E***H on July 4, 2024*

I love all the BioGuard products, they all work awesome! This algaecide not only kills algae but it will kill all nuisance bugs that get into your pool. Will continue to purchase all BioGuard products & say goodbye to local pool store rubbish products. Thanks BioGuard, you saved me heaps of money.

### ⭐⭐⭐⭐⭐ Bio guard chemicals
*by L***. on August 4, 2025*

I use bio guard pool chemicals. They work well.

### ⭐⭐⭐⭐⭐ Biogard
*by M***D on May 28, 2025*

Works great 👍 and price is right!

## Frequently Bought Together

- BioGuard Back Up 2-1 Quart, Single, Proven Effective Algae Preventative, Non-Staining, Keeps Water Clean and Clear
- BioGuard Pool Complete Weekly 3L, 3-in-1 High-Intensity Clarifier & Cleaner, Prevents Waterline Buildup, Removes Phosphates, Keeps Water Clear

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-12*