---
title: "Phosfusion 600 | Fungicide"
canonical: https://gardensuperstore.com.au/phosfusion-600-fungicide/
summary: "Boost crop health and fight Downy Mildew and Phytophthora with Phosfusion 600 – a strong, easy-mixing potassium phosphite formula that builds plant vigour."
type: product
---

# Phosfusion 600 | Fungicide

> Boost crop health and fight Downy Mildew and Phytophthora with Phosfusion 600 – a strong, easy-mixing potassium phosphite formula that builds plant vigour.

Categories: [Fungicides](https://gardensuperstore.com.au/chemicals-plant-protection/fungicides/)

| Option | SKU | Price (inc GST) |
| --- | --- | --- |
| Phosfusion 600 | Fungicide | PHOSFUS-20 | $345.00 |

## Description

## Phosfusion 600

Tired of watching your crops struggle with Downy Mildew or Phytophthora? Phosfusion 600 gives your plants a real fighting chance — strengthening them from the inside out while keeping diseases at bay. It’s like a plant health tonic that builds vigour and resilience from root to leaf.

### Why You’ll Love It

-
Keeps Downy Mildew and Phytophthora diseases under control across a wide range of crops.

-
Gently toughens plants by stimulating their natural defence systems.

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Moves right through the plant — top to bottom — for full protection.

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Mixes easily with other ag chemicals, so you can combine sprays and save time.

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Smooth, free-flowing liquid that’s easy to pour and mix.

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High-strength formula means you use less product and save on freight and packaging.

### How to Use

Half-fill your spray tank with clean water, add the required amount of Phosfusion 600, then top up with water. Keep it well agitated during spraying for even coverage. Compatible with a wide range of other products — just do a quick jar test first if you’re unsure.

Avoid spraying in extreme heat or wet conditions, and always reseal your container after use.

### The Bottom Line

Phosfusion 600 doesn’t just protect — it powers up your plants. Stronger, healthier growth and fewer disease worries. You’ll see the difference in no time.

## Specifications

- **Suitable For:**  Garden
- **Formulation:** Liquid
- **Active Ingredient:** 600 g/L Phosphorous (Phosphonic) Acid As Mono-Di K Phosphonate
- **Poison schedule:** S5
- **Registration status:** Registered (APVMA 67596)

## Documents

- [Label - Phosfusion 600 Fungicide - 251107](https://gardensuperstore.com.au/documents/50/)
- [Tech Note - Phosfusion 600 Fungicide - 251107](https://gardensuperstore.com.au/documents/1062/)