---
product_id: 6990968
title: "Seachem Reef Phytoplankton 500 mL / 17 fl. oz."
brand: "seachem"
price: "449 kr"
currency: DKK
in_stock: true
reviews_count: 13
category: "Seachem"
url: https://www.desertcart.dk/products/6990968-seachem-reef-phytoplankton-500-ml-17-fl-oz
store_origin: DK
region: Denmark
---

# Yam-free allergen safe formula 500 mL premium liquid volume Proudly made in the USA Seachem Reef Phytoplankton 500 mL / 17 fl. oz.

**Brand:** seachem
**Price:** 449 kr
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef’s ecosystem with every drop!

## Quick Answers

- **What is this?** Seachem Reef Phytoplankton 500 mL / 17 fl. oz. by seachem
- **How much does it cost?** 449 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/6990968-seachem-reef-phytoplankton-500-ml-17-fl-oz)

## 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

- • **Effortless Aquarium Care:** Easy-to-use liquid formula designed for seamless integration into your reef routine.
- • **Boost Your Reef's Vitality:** Pure phytoplankton to fuel coral and filter feeders with essential nutrients.
- • **Allergen-Safe & Eco-Friendly:** Yam-free composition minimizes risk for sensitive aquatic environments.
- • **Trusted Quality, Made in USA:** Manufactured domestically ensuring premium standards and reliability.
- • **Highly Rated by Reef Enthusiasts:** 4.6-star average from over 560 reviews—join the thriving community of reef keepers.

## Overview

Seachem Reef Phytoplankton is a 500 mL liquid supplement crafted in the USA to enhance coral and filter feeder health. Its allergen-free, easy-to-use formula is highly rated by aquarium enthusiasts, making it a trusted choice for vibrant reef tanks.

## Description

Reef Phytoplankton, 500 mL / 16.9 fl. oz.

Review: Great for reef tank - Great for reef tank
Review: Good product - Good product

## Features

- This product is easy to use
- This product adds a great Value
- This product is Manufactured in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004YLJ6OW |
| Allergen Information | Yam Free |
| Best Sellers Rank | #54,973 in Pet Supplies ( See Top 100 in Pet Supplies ) #485 in Aquarium Water Treatments |
| Brand | Seachem |
| Brand Name | Seachem |
| Customer Reviews | 4.6 out of 5 stars 564 Reviews |
| Global Trade Identification Number | 00000116150309 |
| Item Form | Liquid |
| Item Type Name | aquarium-treatments |
| Item Weight | 1.2 pounds |
| Liquid Volume | 500 ml |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer Part Number | 1503 |
| Model Number | 20343 |
| Number of Items | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 000116150309 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Seachem
- **Item Form:** Liquid
- **Item Weight:** 1.2 pounds
- **Liquid Volume:** 500 ml
- **Unit Count:** 1 Count

## Images

![Seachem Reef Phytoplankton 500 mL / 17 fl. oz. - Image 1](https://m.media-amazon.com/images/I/81nREKOUP4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for reef tank
*by R***R on July 12, 2026*

Great for reef tank

### ⭐⭐⭐⭐⭐ Good product
*by N***Z on June 14, 2025*

Good product

### ⭐⭐⭐⭐ Baby Brine Shrimp food
*by R***R on April 30, 2025*

Great for growing out my brine shrimp.

## Frequently Bought Together

- Reef Phytoplankton, 500 mL / 16.9 fl. oz.
- Seachem Reef Zooplankton 500 ml
- Seachem Reef Plus 500ml

---

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**Shop now:** [https://www.desertcart.dk/products/6990968-seachem-reef-phytoplankton-500-ml-17-fl-oz](https://www.desertcart.dk/products/6990968-seachem-reef-phytoplankton-500-ml-17-fl-oz)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-09-10*