---
product_id: 197194406
title: "Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack)"
brand: "brand: natural chemistry"
price: "1398.37 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/197194406-natural-chemistry-phosfree-extra-strength-3-liter-4-pack
store_origin: TN
region: Tunisia
---

# Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack)

**Brand:** brand: natural chemistry
**Price:** 1398.37 DT
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) by brand: natural chemistry
- **How much does it cost?** 1398.37 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/197194406-natural-chemistry-phosfree-extra-strength-3-liter-4-pack)

## Best For

- brand: natural chemistry enthusiasts

## Why This Product

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

## Description

PHOSfree Extra Strength is specifically designed for high level phosphate removal. It works on both the filter and in the pool to ensure maximum phosphate removal. PHOSfree Extra Strength Instructions This product is designed for use in properly balanced pool water. 1. Clean or backwash filter. 2. For phosphate levels over 1000ppb, add 32oz (1L) per 10,000 gallons. DO NOT add more than 48oz. (1.5L or half a bottle) at a time. 3. Shake bottle well prior to application. With circulation pump running, add the recommended dose to skimmer. 4. Some clouding may occur. Run the pump and filter for 48 hours continuously without backwashing or cleaning. 5. After 48 hours, vacuum to filter. 6. Backwash or clean filter. 7. Retest the phosphate level. Repeat steps 1­6 if necessary. For DE & Cartridge Filters: Do not add more than 48oz (1.5L or half a bottle) at a time. lf more than 48oz (1 .5L) is needed to treat phosphate level, be sure to clean or backwash the filter between treatments. Important: Retest water after each completed treatment. Repeat until phosphate level is below 100ppb. NOTE: Algae must be treated prior to testing and treating phosphates. Chlorine must be under 5ppm before testing for phosphates. 1 Buy = 4 Bottles (3L Each)!

## Features

- 4 Natural Chemistry PHOSfree Extra Strength 3 Liters Each
- Specifically designed for large water application
- Works on both the filter and in the pool for maximum phosphate removal
- Easily maintains low levels of phosphates in the largest volumes of water
- Quickly Reduces High Phosphate Levels

## Images

![Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) - Image 1](https://images-na.ssl-images-amazon.com/images/I/71W2LB-TycL.jpg)
![Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51AMhLvb40L.jpg)
![Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) - Image 3](https://images-na.ssl-images-amazon.com/images/I/71n-MjSj9wL.jpg)
![Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) - Image 4](https://images-na.ssl-images-amazon.com/images/I/412MsypwNhL.jpg)
![Natural Chemistry® Phosfree® Extra Strength, 3-Liter (4-Pack) - Image 5](https://images-na.ssl-images-amazon.com/images/I/51jKocx61DL.jpg)

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---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-31*