---
product_id: 48334390
title: "Reef Phytoplankton, 250 mL / 8.5 fl. oz."
brand: "seachem"
price: "428 kr"
currency: NOK
in_stock: true
category: "Seachem"
url: https://www.desertcart.no/products/48334390-reef-phytoplankton-250-ml-8-5-fl-oz
store_origin: NO
region: Norway
---

# Optimized for reef invertebrates 250 mL liquid volume Made in USA quality Reef Phytoplankton, 250 mL / 8.5 fl. oz.

**Brand:** seachem
**Price:** 428 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Reef Phytoplankton, 250 mL / 8.5 fl. oz. by seachem
- **How much does it cost?** 428 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/48334390-reef-phytoplankton-250-ml-8-5-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

- • **Premium USA-Made Formula:** Crafted domestically for trusted quality and safety standards.
- • **Effortless Aquarium Boost:** Simple daily dosing keeps your reef thriving with minimal hassle.
- • **Gluten-Free & Clean Ingredients:** Safe, allergen-conscious formula for a healthier aquatic environment.
- • **Tailored for Reef Invertebrates:** Specially designed to nourish delicate marine life and enhance tank vitality.
- • **Nutrient-Rich Phytoplankton Blend:** Contains multiple microalgae species to support natural feeding behaviors.

## Overview

Seachem’s Reef Phytoplankton is a 250 mL liquid supplement made in the USA, formulated specifically for reef aquarium invertebrates. It features a potent blend of microalgae species to naturally nourish marine life, is gluten-free, and easy to dose daily for optimal tank health and vibrancy.

## Description

Product Description This product is easy to use. This product adds a great value. This product is Manufactured in United States. This product is designed for pets and there use. Ingredients Water, Thalassiosira Weissflogii, Isochrysis Sp, Nannochloropsis, Protein Hydrolysates With Carotenoids, Citric Acid, Carboxylic Acid, Methyl Paraben, Sodium Propionate. 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); }); }); Directions Dose 1 capful (5 mL) per 50 gallons of water daily for the first 7 days of use. See more

## 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 | B004YLJ822 |
| Allergen Information | Gluten Free |
| Best Sellers Rank | 21,952 in Pet Supplies ( See Top 100 in Pet Supplies ) 237 in Aquarium Water Treatments |
| Brand Name | Seachem |
| Country Of Origin | USA |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,647) |
| Global Trade Identification Number | 00000116150606 |
| Item Form | Liquid |
| Item Type Name | Reef Phytoplankton, 250 Ml / 8.5 Fl. Oz. |
| Item Weight | 250 Grams |
| Liquid Volume | 250 Millilitres |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer Part Number | 1506 |
| Model Number | 1506 |
| Number of Items | 1 |
| Pet Type | Fish |
| Target Species | Invertebrates |
| UPC | 000116150606 |
| Unit Count | 250.0 millilitre |

## Product Details

- **Brand:** Seachem
- **Item form:** Liquid
- **Item weight:** 250 Grams
- **Liquid volume:** 250 Millilitres
- **Unit count:** 250.0 millilitre

## Images

![Reef Phytoplankton, 250 mL / 8.5 fl. oz. - Image 1](https://m.media-amazon.com/images/I/71ywIIhCYgL.jpg)

## Available Options

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

## Questions & Answers

**Q: How long does it last without freezing it?**
A: It lasts for couple months but if you keep it in the fridge not the freezer it lasts much longer,I’ve had one open for 3 months kept in fridge no problems

**Q: Is this live Phyto plankton please**
A: If you are thinking of starting your own culture - this is not suitable for this purpose.

**Q: Can this be used to feed copepods to help them establishing a Reef tank**
A: Yes it can

## Frequently Bought Together

- Reef Phytoplankton, 250 mL / 8.5 fl. oz.
- Seachem Reef Zooplankton 250 ml.
- Seachem Reef Plus 500ml

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**Shop now:** [https://www.desertcart.no/products/48334390-reef-phytoplankton-250-ml-8-5-fl-oz](https://www.desertcart.no/products/48334390-reef-phytoplankton-250-ml-8-5-fl-oz)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-17*