---
product_id: 290108657
title: "Seachem Prime Fresh and Marine Aquarium Water Conditioner, 500 ml"
brand: "seachem"
price: "R651117"
currency: ZAR
in_stock: true
category: "Seachem"
url: https://www.desertcart.co.za/products/290108657-seachem-prime-fresh-and-marine-aquarium-water-conditioner-500-ml
store_origin: ZA
region: South Africa
---

# Instant ammonia & nitrite detox Safe for fresh & marine tanks 500 ml precision dosing Seachem Prime Fresh and Marine Aquarium Water Conditioner, 500 ml

**Brand:** seachem
**Price:** R651117
**Availability:** ✅ In Stock

## Summary

> 💧 Transform your tank water, transform your aquatic life!

## Quick Answers

- **What is this?** Seachem Prime Fresh and Marine Aquarium Water Conditioner, 500 ml by seachem
- **How much does it cost?** R651117 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/290108657-seachem-prime-fresh-and-marine-aquarium-water-conditioner-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

- • **Trusted by Thousands:** 4.7-star rating from over 2,400 aquarists who demand reliable water conditioning.
- • **Ultimate Water Detox:** Neutralizes harmful ammonia and nitrites instantly to keep your aquatic ecosystem thriving.
- • **Precision 500 ml Bottle:** Generous size with easy dosing for consistent water quality management.
- • **Stress-Free Tank Cycling:** Use during startup and water changes to maintain a stable, healthy environment for your fish.
- • **Versatile Fresh & Marine Use:** Perfectly formulated for both freshwater and marine aquariums, ensuring universal tank safety.

## Overview

Seachem Prime is a premium 500 ml liquid water conditioner designed to instantly detoxify ammonia and nitrites in both fresh and marine aquariums. Trusted by thousands with a 4.7-star rating, it supports tank cycling, water changes, and ongoing aquatic health with allergen-free, easy-to-use dosing.

## Description

Directions Use at start-up, whenever adding or replacing water, during tank cycling, and to alleviate ammonia/nitrite toxicity. Add the recommended amount to the aquarium or pond according to the size and needs of the aquatic life.

## Features

- Warning:Not suitable for children under 10 months.
- Seachem Prime Fresh And Marine Aquarium Water Conditioner, 500 Ml
- Brand : Seachem
- Product Type : Aquarium Pond Water Treatment
- Color: Size: Multicolored
- Size : 500 Ml

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010UNMS9M |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | 44,896 in Pet Supplies ( See Top 100 in Pet Supplies ) 457 in Aquarium Water Treatments |
| Brand | Seachem |
| Brand Name | Seachem |
| Customer Reviews | 4.7 out of 5 stars 2,446 Reviews |
| Item Form | Liquid |
| Item Weight | 1.25 Pounds |
| Item form | Liquid |
| Item weight | 1.25 Pounds |
| Manufacturer | Seachem |
| Manufacturer Part Number | SE0433 |
| Model Number | SE0433 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 000116043304 |
| Unit Count | 500.0 millilitre |
| Unit count | 500.0 millilitre |

## Product Details

- **Brand:** Seachem
- **Item form:** Liquid
- **Item weight:** 1.25 Pounds
- **Manufacturer:** Seachem
- **Unit count:** 500.0 millilitre

## Images

![Seachem Prime Fresh and Marine Aquarium Water Conditioner, 500 ml - Image 1](https://m.media-amazon.com/images/I/81aLONkZHPL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this product be used in a tank with water snails in it?**
A: I am not sure the type of snail you have but I have snails in my 75 gallon discus tank which is fresh water and I have used Prime for many years without problems.

**Q: I guess I should have asked if this contains Sulphur , thus the smell, or sulfites of any description?**
A: The label states it contains complexed hydrosulfite salts

**Q: how long is the expiration date of prime after opening?**
A: Am new at the hobby, but i didn’t see in the bottle that has a expiration date. And with my 75 galon to cylcle the tank you supposed to add for 7 days with stability to maintain amonia down and stability to help grow bacteria the size I bought goes fast.. pluse water change weekly.. ( let me tell you, is a good product.)

**Q: What are the ingredients?**
A: It is written in the bottle.

## Frequently Bought Together

- Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier 16.9 fl. oz
- Seachem Stability Fish Tank Stabilizer - For Freshwater and Marine Aquariums, 16.9 Fl Oz (Pack of 1)
- Seachem StressGuard Slime Coat Protection - Stress and Toxic Ammonia Reducer 500 ml

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**Shop now:** [https://www.desertcart.co.za/products/290108657-seachem-prime-fresh-and-marine-aquarium-water-conditioner-500-ml](https://www.desertcart.co.za/products/290108657-seachem-prime-fresh-and-marine-aquarium-water-conditioner-500-ml)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-07*