---
product_id: 7019874
title: "Reef Phytoplankton, 250 mL / 8.5 fl. oz."
brand: "seachem"
price: "€ 29.09"
currency: EUR
in_stock: true
category: "Seachem"
url: https://www.desertcart.pt/products/7019874-reef-phytoplankton-250-ml-8-5-fl-oz
store_origin: PT
region: Portugal
---

# 250 mL liquid volume Supports vibrant reef fish Made in USA quality Reef Phytoplankton, 250 mL / 8.5 fl. oz.

**Brand:** seachem
**Price:** € 29.09
**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?** € 29.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/7019874-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

- • **Pure & Potent:** Gluten-free, premium phytoplankton sourced and manufactured in the USA
- • **Compact Powerhouse:** 250 mL pack fits perfectly in any reef keeper’s toolkit
- • **Trusted by Thousands:** Over 1,000 five-star reviews proving reef vitality
- • **Effortless Aquarium Boost:** Easy-to-use liquid formula for seamless reef care
- • **Aquarium Wellness Essential:** Ranked #242 in aquarium water treatments for a reason

## Overview

Seachem’s Reef Phytoplankton is a 250 mL liquid supplement designed to enhance reef aquarium health by providing essential nutrients. Manufactured in the USA, gluten-free, and highly rated by over 1,000 customers, it supports vibrant fish and coral growth with an easy-to-use formula trusted by aquarium enthusiasts worldwide.

## Description

Reef Phytoplankton, 250 mL / 8.5 fl. oz.

## 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 |
| ASIN  | B004YLJ822 |
| Allergen Information | Gluten Free |
| Batteries  | 1506 Lithium Metal batteries required. |
| Best Sellers Rank | #28,690 in Pet Supplies ( See Top 100 in Pet Supplies ) #242 in Aquarium Water Treatments |
| Brand Name | Seachem |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,034) |
| Date First Available  | April 29, 2011 |
| Department  | Unisex-Adult |
| Global Trade Identification Number | 00000116150606 |
| Is Discontinued By Manufacturer  | No |
| Item Form | Liquid |
| Item Type Name | aquarium-treatments |
| Item Weight | 250 Grams |
| Item model number  | 1506 |
| Liquid Volume | 250 Milliliters |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer  | Seachem Laboratories, Inc. |
| Manufacturer Part Number | 1506 |
| Manufacturer recommended age  | 1 month and up |
| Model Number | 1506 |
| Product Dimensions  | 1.94 x 1.94 x 6.5 inches; 8.82 ounces |
| Target Species | Fish |
| UPC | 000116150606 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Seachem
- **Item Form:** Liquid
- **Item Weight:** 250 Grams
- **Liquid Volume:** 250 Milliliters
- **Number of Packs:** 1

## Images

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

## Questions & Answers

**Q: can i use this to feed baby brine shrimp?**
A: Yes you can. You want to make sure you have some water flow so it circulates properly in the tank.

**Q: Can it be used as a nitrogen-enhanced fertilizer for plants?**
A: Sounds like a good experiment.  I do not know

**Q: Mine smells like vinegar and is a brown color, is this good?**
A: Yes. It's dead phyto. Not green like live phyto.

**Q: Can I feed Sucker fish with this?**
A: No it is meant for corals and filter feeders

## Frequently Bought Together

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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/7019874-reef-phytoplankton-250-ml-8-5-fl-oz](https://www.desertcart.pt/products/7019874-reef-phytoplankton-250-ml-8-5-fl-oz)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-07-06*