---
product_id: 741394559
title: "Overdrive - Best Flower Hardener - 1 L"
brand: "advanced nutrients"
price: "$U8619"
currency: UYU
in_stock: true
reviews_count: 5
category: "Advanced Nutrients"
url: https://www.desertcart.uy/products/741394559-overdrive-best-flower-hardener-1-l
store_origin: UY
region: Uruguay
---

# Magnesium & phosphorus boost energy transfer Optimized NPK 1-5-4 for flower hardening Liquid formula for easy absorption Overdrive - Best Flower Hardener - 1 L

**Brand:** advanced nutrients
**Price:** $U8619
**Availability:** ✅ In Stock

## Summary

> 🌿 Harden your harvest, elevate your garden game!

## Quick Answers

- **What is this?** Overdrive - Best Flower Hardener - 1 L by advanced nutrients
- **How much does it cost?** $U8619 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/741394559-overdrive-best-flower-hardener-1-l)

## Best For

- advanced nutrients enthusiasts

## Why This Product

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

## Key Features

- • **Finish Strong:** Supports plants through the final growth phase, ensuring your buds bulk up before flush.
- • **Peak Bloom Power:** Engineered with a precise 1-5-4 NPK ratio to maximize flower maturation and bud density.
- • **Trusted by Experts:** Rated 4.8/5 by 131 growers who refuse to switch brands—join the elite growers’ club.
- • **Effortless Application:** Liquid form ensures quick uptake and easy mixing at 2 ml per liter for consistent results.
- • **Scientifically Formulated:** Contains ideal phosphorus and magnesium levels to supercharge plant energy metabolism.

## Overview

Advanced Nutrients Overdrive is a premium liquid flower hardener with a targeted 1-5-4 NPK ratio, enriched with phosphorus and magnesium to optimize energy transfer and bud development. Designed for professional growers seeking maximum flower density and maturation, it delivers proven results with easy application and high customer satisfaction.

## Description

With an NPK ratio of 1-5-4, this premium bud hardener invites your garden to maintain peak performance all the way to the finish line. Our team of scientists engineered Overdrive with ideal amounts of phosphorus and magnesium to create the optimal conditions for catalyzing energy transfers within your plants, so they’ve got ample opportunity to bulk up your buds before flush.

Review: Love the Advanced Nutrients products not just for how they treat my plants but when I did have a problem I called customer grow support and was on the phone with Andrew for hours getting everything fixed, he never once gave up on me or my problem and was more than willing to walk me threw every step to ensure I understood the product.
Review: If you want top quality plants use advanced nutrients products

## Features

- Brand: Advanced Nutrients
- Item form: Liquid
- Specific uses for product: Plant Growth, Flower Maturation, Flower Growth
- Target species: plants

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBQ8XFY5 |
| Item model number | 4750904 |
| Manufacturer | Advanced Nutrients LLC |
| Product Dimensions | 12.07 x 5.72 x 20.32 cm; 1.1 kg |

## Product Details

- **Brand:** Advanced Nutrients
- **Item form:** Liquid
- **Item weight:** 2.43 Pounds
- **Liquid volume:** 1 Liters
- **Specific uses for product:** Plant Growth, Flower Maturation, Flower Growth

## Images

![Overdrive - Best Flower Hardener - 1 L - Image 1](https://m.media-amazon.com/images/I/51ducyfpM3L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***B on 8 June 2025*

Love the Advanced Nutrients products not just for how they treat my plants but when I did have a problem I called customer grow support and was on the phone with Andrew for hours getting everything fixed, he never once gave up on me or my problem and was more than willing to walk me threw every step to ensure I understood the product.

### ⭐⭐⭐⭐⭐ Review
*by M***S on 18 January 2025*

If you want top quality plants use advanced nutrients products

### ⭐⭐⭐⭐⭐ Review
*by J***O on 19 August 2025*

i love this stuff. It plumps up your bud and produces more using this. For the middle to end stage of bud seems to work the best

## Frequently Bought Together

- Advanced Nutrients Overdrive - Best Flower Hardener - 1 L
- Xcdiscount B-52 Fertilizantes Booster, 1L
- Advanced Nutrients Big Bud Liquid Fertilizer, 1-Liter

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-27*