---
product_id: 49907428
title: "Flourish Highly Concentrated Iron, 500 ml"
brand: "seachem"
price: "$325993"
currency: COP
in_stock: true
reviews_count: 13
category: "Seachem"
url: https://www.desertcart.co/products/49907428-flourish-highly-concentrated-iron-500-ml
store_origin: CO
region: Colombia
---

# Long-lasting with minimal daily dosing Ferrous gluconate for superior foliar absorption 10,000 mg/L iron concentration Flourish Highly Concentrated Iron, 500 ml

**Brand:** seachem
**Price:** $325993
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your planted aquarium game with precision iron power!

## Quick Answers

- **What is this?** Flourish Highly Concentrated Iron, 500 ml by seachem
- **How much does it cost?** $325993 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/49907428-flourish-highly-concentrated-iron-500-ml)

## Best For

- seachem enthusiasts

## Why This Product

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

## Key Features

- • **Economical & Efficient:** Small doses mean your 500 mL bottle lasts longer, saving you money and hassle
- • **Effortless Maintenance:** Just 5 mL per 40L every day or alternate days keeps your plants thriving
- • **Synergistic Aquarium Care:** Perfectly pairs with Seachem Flourish and Flourish Excel for holistic plant health
- • **Optimized Nutrient Absorption:** Ferrous gluconate formula ensures superior uptake compared to iron-EDTA
- • **Ultra-Concentrated Iron Boost:** Delivers a potent 10,000 mg/L iron dose for vibrant aquatic plants

## Overview

Seachem Flourish Highly Concentrated Iron is a 500 mL liquid fertilizer delivering 10,000 mg/L of bioavailable ferrous gluconate iron, designed to optimize foliar feeding in aquatic plants. Its potent formula requires minimal dosing, making it an economical choice for maintaining lush, healthy planted aquariums. Compatible with other Seachem Flourish products, it supports vibrant plant growth and long-term aquarium vitality.

## Description

Product Description Seachem Flourish Iron 500Ml Directions Add 1 capful (5 mL) per 40 L (10 US gallons) daily or every other day. Shake well before using. For best results, use with Seachem Flourish, Flourish Excel, and products. Keep out of reach children pets. Rinse hands after handling. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Box Contains water treatment See more

Review: Essential fertilizer for the planted aquariums. - Essential product for planted aquariums for sure, if you’re looking to have any success with this particular part of the hobby.
Review: Briiliant product - I have noticed that you buy the cheap big bottles but have to use triple the amount but with the seachem u only have to use a small amount so ends up lasting alot longer so trying to save some money in the long run you may aswell buy the dearer product and it's made a big difference in my full planted tank. Before u buy have a look at the liquid quantitys on the back before you decide

## Features

- Contains sensitizing substances. May produce an allergic reaction.
- Highly concentrated (10,000 mg/L)
- Ferrous gluconate iron
- Ferrous gluconate is better suited to foliar feeding than iron-EDTA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00025696C |
| Allergen Information | Gluten Free |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 26,397 in Pet Supplies ( See Top 100 in Pet Supplies ) 471 in Aquarium Water Treatments |
| Colour | Brown |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,599) |
| Date First Available | 18 Nov. 2009 |
| External Testing Certification | Não aplicável |
| Item Form | Liquid |
| Item Weight | 500 g |
| Item model number | 473 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Fish |
| Product Dimensions | 19.3 x 3.81 x 3.81 cm; 500 g |
| Quantity | 1 |
| Size | 500 ml (Pack of 1) |
| Specific Uses | Plant conditioner |
| Volume | 500 Millilitres |

## Product Details

- **Brand:** Seachem
- **Item form:** Liquid
- **Item weight:** 0.5 Kilograms
- **Liquid volume:** 500 Millilitres
- **Manufacturer:** Seachem

## Images

![Flourish Highly Concentrated Iron, 500 ml - Image 1](https://m.media-amazon.com/images/I/719RsBDETyL.jpg)

## Available Options

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

## Questions & Answers

**Q: How many times per week needs to be used in a 50 gallon tropical aquarium?**
A: It really depends on your plants need and levels of iron in water I should by a good iron testing kit.

**Q: Does this stuff have co2 built into it as well?**
A: No

**Q: Can you use this with API leaf zone as i have few red plant's**
A: yes this should help red plants yo flourish

**Q: is this for unplanted plants?**
A: It should work for all live plants. I haven't had any issues with it at all.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Essential fertilizer for the planted aquariums.
*by J***D on 18 March 2025*

Essential product for planted aquariums for sure, if you’re looking to have any success with this particular part of the hobby.

### ⭐⭐⭐⭐⭐ Briiliant product
*by A***R on 22 July 2023*

I have noticed that you buy the cheap big bottles but have to use triple the amount but with the seachem u only have to use a small amount so ends up lasting alot longer so trying to save some money in the long run you may aswell buy the dearer product and it's made a big difference in my full planted tank. Before u buy have a look at the liquid quantitys on the back before you decide

### ⭐⭐⭐⭐ None
*by G***S on 23 November 2025*

A bit expensive but it seems to help the plants stay healthy .

## Frequently Bought Together

- Seachem Flourish Iron 500ml
- Seachem Flourish Potassium 500ml
- Seachem Flourish Freshwater Plant Supplement 500 ml

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-05*