---
product_id: 379715687
title: "Switch 4 Liters / 1.05 Gallon"
brand: "optic foliar"
price: "€ 328.38"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/379715687-switch-4-liters-1-05-gallon
store_origin: GR
region: Greece
---

# 4.31 kg weight 10 ml/litre ratio 15 min usage window Switch 4 Liters / 1.05 Gallon

**Brand:** optic foliar
**Price:** € 328.38
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock Your Garden's Potential with Optic Foliar Switch!

## Quick Answers

- **What is this?** Switch 4 Liters / 1.05 Gallon by optic foliar
- **How much does it cost?** € 328.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/379715687-switch-4-liters-1-05-gallon)

## Best For

- optic foliar enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Use:** Can be applied with lights on—no downtime needed!
- • **Optimal Timing:** Designed for use on days 7 & 17 of the bloom cycle.
- • **Quick Application:** Spray within 15 minutes for maximum effectiveness.
- • **No pH Adjustment Required:** Simplify your routine with hassle-free application.
- • **Transform Your Bloom Cycle:** Elevate your plants' health with targeted stress relief.

## Overview

Optic Foliar Switch is a specialized foliar spray designed to alleviate flower stress during critical bloom phases. With a recommended application rate of 10ml per litre, this 4-liter solution is perfect for professional growers looking to enhance plant health without the need for pH adjustments. Ideal for use on specific days of the bloom cycle, it ensures your plants thrive under optimal conditions.

## Description

Switch 4 Liters / 1.05 Gallon

## Features

- Optic Foliar Switch works best when used with Optic Foliar Transport at a rate of 10ml/litre or 2 teaspoons/quart (40ml/4litres or 8 teaspoons/gallon)
- Shake vigorously after adding Optic Foliar Transport.
- After adding Optic Foliar Transport, product must be sprayed onto plants within 15 minutes.
- Spray plants on day 7 & 17 of bloom cycle or at the first sign of flower stress.
- Can be sprayed with lights on. Do not adjust pH of solution. Avoid spraying on electrical equipment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 4.31 Kilograms |
| Part number | OFSW04L |
| Manufacturer | Optic Foliar |
| Item model number | OFSW04L |
| ASIN | B01FYLDAFG |

## Product Details

- **Brand:** Optic Foliar
- **Item Form:** Liquid
- **Liquid Volume:** 4 Liters
- **Specific Uses For Product:** Plant Growth, Flower Development
- **Manufacturer:** Optic Foliar

## Images

![Switch 4 Liters / 1.05 Gallon - Image 1](https://m.media-amazon.com/images/I/51yt5unayoL.jpg)

---

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**Shop now:** [https://www.desertcart.gr/products/379715687-switch-4-liters-1-05-gallon](https://www.desertcart.gr/products/379715687-switch-4-liters-1-05-gallon)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-07*