---
product_id: 677922935
title: "F2 Ferts (32oz) – Super Concentrated Guillard's F/2 Formula for Mass Phytoplankton Culture - Bulk Algae Fertilizer for Reef Tanks - Economical & Long-Lasting Copepod Food*"
brand: "aqua algae"
price: "874.92 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Aqua Algae"
url: https://www.desertcart.tn/products/677922935-f2-ferts-32oz-super-concentrated-guillards-f-2-formula-mass
store_origin: TN
region: Tunisia
---

# Silicate-free & reef safe Produces 240+ gallons culture medium 32oz super-concentrated formula F2 Ferts (32oz) – Super Concentrated Guillard's F/2 Formula for Mass Phytoplankton Culture - Bulk Algae Fertilizer for Reef Tanks - Economical & Long-Lasting Copepod Food*

**Brand:** aqua algae
**Price:** 874.92 DT
**Availability:** ✅ In Stock

## Summary

> 🌿 Fuel your reef’s future with the pro’s choice in phytoplankton culture!

## Quick Answers

- **What is this?** F2 Ferts (32oz) – Super Concentrated Guillard's F/2 Formula for Mass Phytoplankton Culture - Bulk Algae Fertilizer for Reef Tanks - Economical & Long-Lasting Copepod Food* by aqua algae
- **How much does it cost?** 874.92 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/677922935-f2-ferts-32oz-super-concentrated-guillards-f-2-formula-mass)

## Best For

- aqua algae enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Volume & Value:** One bottle fuels over 240 gallons of nutrient-rich phytoplankton culture—never run dry again.
- • **Economical & Long-Lasting:** Bulk size designed to reduce costs while supporting thriving copepods, corals, and filter feeders.
- • **Reef-Safe & Silicate-Free:** Protect your reef from unwanted diatom outbreaks with our pure, lab-grade solution.
- • **Scientifically Proven Formula:** Based on Guillard’s F/2, trusted globally for balanced nutrients and explosive algae growth.
- • **Effortless High-Volume Culturing:** Simple dosing—just 1mL per liter—perfect for large tanks and aquaculture pros.

## Overview

Aqua Algae’s 32oz F2 Ferts is a super-concentrated, silicate-free Guillard’s F/2 formula designed for mass marine phytoplankton cultivation. It produces over 240 gallons of nutrient-rich culture medium, supporting healthy algae growth essential for reef tanks and aquaculture. Trusted worldwide, this economical bulk fertilizer ensures consistent, reef-safe nutrition for copepods, corals, and filter feeders.

## Description

Aqua Algae Guillard’s F/2 Formula is a concentrated phytoplankton culture fertilizer formulated for preparing marine microalgae culture medium. This solution is intended for use when culturing marine phytoplankton strains such as Nannochloropsis and Tetraselmis, and is designed to be mixed with prepared saltwater as part of a separate culture setup. Product Specifications: Based on the standard Guillard’s F/2 formulation and contains vitamins B1, B12, biotin, and trace minerals used in phytoplankton culture. Silicate-free composition. At the suggested mixing rate, one 16 fl oz bottle prepares approximately 473 liters, or about 125 gallons, of culture medium. Suggested Use: 1. Add 1 mL of F/2 formula per 1 liter of prepared saltwater. Recommended specific gravity: 1.019. 2. Introduce your phytoplankton starter culture. 3. Provide illumination for 16 to 24 hours per day with gentle aeration. 4. Monitor culture development and harvest according to your standard phytoplankton culture routine. Culture timing may vary. Storage: Shake well before each use. Store in a cool, dark location. For marine aquarium phytoplankton cultivation use.

Review: Producto ecxelente - Ecxelente producto
Review: Excellent! - It color up my phytoplankton in 48hrs!

## Features

- UNBEATABLE VALUE & SUPPLY: Stop running out! Our 32oz super-concentrated F/2 formula provides the most economical way to produce a continuous, abundant supply of live, nutrient-rich phytoplankton for your entire reef ecosystem. Perfect for large tanks, multiple systems, or small aquaculture operations.
- MASSIVE YIELD (OVER 240 GALLONS): This generous 32oz (946mL) bottle is enough to make an incredible over 940 liters (248+ gallons) of full-strength culture medium! Significantly reduce costs and ensure a consistent food source for your copepods, rotifers, filter feeders, and corals.
- ​THE PROFESSIONAL STANDARD (GUIL-LARD'S F/2): Rely on the best. Our solution is based on the scientifically proven Guillard's F/2 formula, trusted worldwide for its complete balance of essential macronutrients, trace minerals, and vitamins (B1, B12, Biotin) necessary for explosive and healthy algae growth.
- SILICATE-FREE & REEF SAFE: Crafted with pure, lab-grade ingredients. Our F/2 formula is 100% silicate-free, ensuring you grow beneficial microalgae without contributing to diatom (brown algae) outbreaks in your main display tank. Safe for all reef inhabitants when used as directed.
- EASY TO USE FOR HIGH-VOLUME CULTURES: Despite its size, dosing remains simple. Follow our clear instructions: just 1mL per 1 Liter of new saltwater, add your starter culture, and provide light. Shake well before each use for optimal results in your large-scale culturing efforts.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZXL23JJ |
| Best Sellers Rank | #45,512 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,016 in Water Treatments |
| Brand | Aqua Algae |
| Brand Name | Aqua Algae |
| Customer Reviews | 4.8 out of 5 stars 145 Reviews |
| Item Form | Liquid |
| Item Weight | 32 Ounces |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Aqua Algae |
| Number Of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Shrimp |
| UPC | 661317842082 |

## Product Details

- **Brand:** Aqua Algae
- **Item Form:** Liquid
- **Item Weight:** 2 pounds
- **Liquid Volume:** 32 fluid ounces
- **Unit Count:** 32 Fluid Ounces

## Images

![F2 Ferts (32oz) – Super Concentrated Guillard's F/2 Formula for Mass Phytoplankton Culture - Bulk Algae Fertilizer for Reef Tanks - Economical & Long-Lasting Copepod Food* - Image 1](https://m.media-amazon.com/images/I/41Jv4+sgvyL.jpg)

## Questions & Answers

**Q: Is it safe for reef aquariums?**
A: Yes, when used as directed for phytoplankton culture. Not intended for direct addition to aquariums.

**Q: Does this product contain live phytoplankton?**
A: No. This product is a concentrated formula for culturing phytoplankton. It does not contain live phytoplankton.

**Q: What type of lighting is recommended?**
A: Provide bright illumination for 16-24 hours per day. LED or grow lights work well.

**Q: How should I store it?**
A: Store in a cool, dark location. Keep tightly closed.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Producto ecxelente
*by G***Z on 9 May 2025*

Ecxelente producto

### ⭐⭐⭐⭐⭐ Excellent!
*by K***H on 18 September 2022*

It color up my phytoplankton in 48hrs!

### ⭐⭐⭐⭐⭐ Tony
*by T***R on 6 April 2026*

Very good for making green water. 1ml for every 1litre of fish tank water.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-02*