---
product_id: 621473127
title: "PoolRX+ Pool Unit 7.5k-20k gallons"
brand: "pool rx"
price: "£69.18"
currency: GBP
in_stock: true
reviews_count: 5
category: "Pool Rx"
url: https://www.desertcart.co.uk/products/621473127-poolrx-pool-unit-7-5k-20k-gallons
store_origin: GB
region: United Kingdom
---

# Up to 6 months continuous protection Supports 7.5K-20K gallons pool size 3 active ingredients for max algae defense PoolRX+ Pool Unit 7.5k-20k gallons

**Brand:** pool rx
**Price:** £69.18
**Availability:** ✅ In Stock

## Summary

> 💦 Dive into crystal-clear confidence with PoolRX+!

## Quick Answers

- **What is this?** PoolRX+ Pool Unit 7.5k-20k gallons by pool rx
- **How much does it cost?** £69.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/621473127-poolrx-pool-unit-7-5k-20k-gallons)

## Best For

- pool rx enthusiasts

## Why This Product

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

## Key Features

- • **Certified & Trusted:** EPA Registered & NSF/ANSI 50 Certified for peace of mind
- • **Chemical Demand Slayer:** Cut your chemical use and save big on pool care costs
- • **Half-Year Low-Maintenance:** Enjoy up to 6 months of effortless algae control
- • **Triple-Action Algae Defense:** Copper, Zinc & Silver combine for unbeatable pool clarity
- • **Universal Pool Compatibility:** Perfect for Chlorine, Salt, UV & Ozone systems alike

## Overview

PoolRX+ is a cutting-edge algaecide pool unit designed for 7.5K-20K gallon pools, featuring a powerful triple-ingredient formula (Copper Sulphate, Zinc Sulfate, Silver Nitrate) that eliminates all types of algae while reducing chemical needs. Certified by EPA and NSF/ANSI 50, it delivers up to 6 months of low-maintenance protection and works seamlessly with Chlorine, Salt, UV, or Ozone pool systems, making pool care simpler, more cost-effective, and worry-free.

## Description

Pool Rx+ [Pool Rx Plus] is the updated algaecide formula from Pool Rx. Pool Rx+ contains three active ingredients, Copper Sulphate, Zinc Sulfate and Silver Nitrate, adding additional layers of protection to the original Pool Rx formula you have come to trust. The blue Pool Rx+ pool unit is an EPA Registered, NSF/ANSI 50 Certified, swimming pool algaecide supporting 7.5K-20K gallons of water. Pool Rx+ reduces chemical demand, improves water quality, simplifying pool care for up to 6 months. The Pool Rx+ pool unit is effective in rejuvenating the Pool Rx+ minerals for up to 1 year in your pool. For best results, start with a new Pool Rx+ pool unit at the beginning of each swim season. For year-round pool use, add a Pool Rx+ booster after 6 months, or if you see algae coming back sooner. Pool Rx+ products can support any size body of water & are ideal for use in Chlorine, Salt, UV or Ozone pools

Review: LIFE SAVER! - We live in South Texas. Spring and summer with pollen can be absolutely brutal to pool owners. I asked my dad how he keeps his above ground pool so clean year round. He told me about PoolRX. We would have starbursts shaped pollen marks all over our steps and shallow end of the pool. We put PoolRX in and I kid you not, we had a clear pool in 24 hours! I couldn’t believe my eyes! This lasts for 3 months or so for us. Not bad at all! Great value for the money spent. Blew my mind that this products worked so well that we didn’t have to add any chemicals. Just copper!
Review: Magic - Best algae treatment ever

## Features

- Eliminates all types of Pool Algae
- Reduces chemical demand
- Effective for up to 6 Months
- NSF/ANSI 50 Certified
- Ideal for Chlorine, Salt, UV or Ozone systems
- New formula now with 3 Active Ingredients

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09FWQ8QCH |
| Brand | Pool RX |
| Brand Name | Pool RX |
| Customer Reviews | 4.5 out of 5 stars 6,230 Reviews |
| Item Form | Gallons |
| Item Type Name | Swimming Pool Algaecide |
| Item Weight | 13.1 Ounces |
| Item form | Gallons |
| Item weight | 13.1 Ounces |
| Manufacturer | Pool Rx |
| Manufacturer Part Number | 331001 |
| Model Number | 331001 |
| Number of Items | 1 |
| Product Benefits | Controls Algae |
| Product benefits | Controls Algae |
| UPC | 700553310013 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Pool RX
- **Item form:** Gallons
- **Item weight:** 13.1 Ounces
- **Product benefits:** Controls Algae
- **UPC:** 700553310013

## Images

![PoolRX+ Pool Unit 7.5k-20k gallons - Image 1](https://m.media-amazon.com/images/I/51Chco5gK2L.jpg)
![PoolRX+ Pool Unit 7.5k-20k gallons - Image 2](https://m.media-amazon.com/images/I/51G3cpuo+WL.jpg)
![PoolRX+ Pool Unit 7.5k-20k gallons - Image 3](https://m.media-amazon.com/images/I/71TJar2htNL.jpg)
![PoolRX+ Pool Unit 7.5k-20k gallons - Image 4](https://m.media-amazon.com/images/I/81+cqDEKkJL.jpg)
![PoolRX+ Pool Unit 7.5k-20k gallons - Image 5](https://m.media-amazon.com/images/I/71UlXEY8wtL.jpg)

## Questions & Answers

**Q: Has anyone else had a problem after using this product with it turning your blonde hair green.**
A: According to the Pool RX website, if hair turns green it’s because the chlorine is too high and reacting with the minerals in pool RX.  Recommend chlorine level while using pool RX is 1 to 1.5 ppm.  Not the normal 2 to 3 ppm recommendation for a residential pool.  Hope that helps

**Q: Does it work for black algae**
A: I use no algaecide now and my water is crystal clear. A properly maintained pool will not be susceptible to algae blooms. I use only chlorine, acid, base, and stabilizer. If you live in an area with high phosphates, you may wish to add some Phosfree+ to eliminate excess amounts as they are food for algae. Go to troublefreepool's website (100% free and an awesome community) to learn about your water chemistry and the proper methods/tools to test it. They also have chemical calculators and forums for resolving issues (e.g. algae blooms, cloudy water, etc). Good luck

**Q: This stained my inground pool with dark gray stains. UGLY!  Are they "metal" stains?  What would be the best STAIN REMOVER to buy to remove them?**
A: For this staining you need to have a professional to analyze your pool water. I did not have stains as a result of Pool RX. But my water is clear and no algae  so far.

**Q: I purchased in March, worked great when weather was not hot, now it’s not helping at all. Pool is green and it’s cloudy too. How long should it last?**
A: If your pool had a lot to clean up I think it doesn’t last as long. Also did you clean your filter when you put in the pool RX? My first one didn’t last as long so I got the poll RX plus. It’s been doing a great job. Also the pool gallons or size effects the longevity.

## Customer Reviews

### ⭐⭐⭐⭐⭐ LIFE SAVER!
*by S***G on 21 April 2026*

We live in South Texas. Spring and summer with pollen can be absolutely brutal to pool owners. I asked my dad how he keeps his above ground pool so clean year round. He told me about PoolRX. We would have starbursts shaped pollen marks all over our steps and shallow end of the pool. We put PoolRX in and I kid you not, we had a clear pool in 24 hours! I couldn’t believe my eyes! This lasts for 3 months or so for us. Not bad at all! Great value for the money spent. Blew my mind that this products worked so well that we didn’t have to add any chemicals. Just copper!

### ⭐⭐⭐⭐⭐ Magic
*by L***D on 14 January 2024*

Best algae treatment ever

### ⭐⭐⭐⭐⭐ Best pool accessory on the market!
*by B***3 on 24 July 2024*

I’ve been using the PoolRX+ in our 15,000-gallon pool for the past few months, and it has truly been a transformative experience. For years, we struggled with relentless algae problems every summer, which made maintaining our pool a frustrating and labor-intensive task. Thankfully, the PoolRX+ has completely changed that. Installation was a breeze. I started by cleaning the pool filters thoroughly, which is crucial for optimal performance. Once the filters were clean, I simply installed the PoolRX+ unit into our pool filter system. It was as straightforward as promised—no extra tools or complicated procedures required. The results have been nothing short of amazing. Since adding the PoolRX+, our pool has stayed consistently clear, and algae has become a thing of the past. It’s remarkable how much easier pool maintenance has become. What used to be a major chore has turned into a quick and effortless task. We’ve also noticed a significant reduction in the amount of chemicals we need to use. The PoolRX+ effectively reduces the need for heavy chemical treatments, which not only saves us money but also creates a safer environment for our family. With the PoolRX+, our pool water remains clean and balanced with far fewer chemicals, which is a huge plus. The unit has proven to be durable and reliable, lasting between 5 to 6 months before needing replacement. This longevity ensures that we get through the entire summer season without any interruptions or additional purchases. One thing to note is that the PoolRX+ raises the copper levels in the water. While this is a natural outcome and not a major concern, it’s worth being aware of. The benefits far outweigh this minor issue, as the copper helps in maintaining algae-free water. In summary, the PoolRX+ has been an absolute game-changer for us. It has drastically improved our pool maintenance routine and allowed us to enjoy a clean, algae-free pool with minimal effort. I highly recommend the PoolRX+ to anyone dealing with algae issues or looking to simplify their pool care. It’s a fantastic investment that delivers impressive results!

## Frequently Bought Together

- PoolRX+ pool unit 7.5k-20k gallons
- Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)
- EASYTEST 9-Way Pool Test Strips, 140 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-23*