---
product_id: 6541490
title: "AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box"
brand: "api"
price: "$800.51"
currency: USD
in_stock: true
reviews_count: 8
category: "Api"
url: https://www.desertcart.us/products/6541490-aquarium-salt-freshwater-aquarium-salt-50-pound-box
store_origin: US
region: United States of America
---

# all-natural evaporated sea salt boosts fish respiration & electrolytes 50 lbs bulk supply AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box

**Brand:** api
**Price:** $800.51
**Availability:** ✅ In Stock

## Summary

> 🐠 Elevate your freshwater aquarium game with nature’s electrolyte secret!

## Quick Answers

- **What is this?** AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box by api
- **How much does it cost?** $800.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/6541490-aquarium-salt-freshwater-aquarium-salt-50-pound-box)

## Best For

- api enthusiasts

## Why This Product

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

## Key Features

- • **Optimized Fish Respiration:** Enhances gill function to improve oxygen uptake and promote speedy disease recovery.
- • **Bulk Power for Pro Aquarists:** Massive 50-pound box ensures long-lasting aquarium care without constant reordering.
- • **Trusted by 23,000+ Enthusiasts:** Backed by a 4.7-star rating, join a community of savvy aquarium managers who demand quality.
- • **Stress-Reducing Setup Essential:** Perfect for new tank setups and water changes to maintain a healthy aquatic environment.
- • **Pure & Natural Electrolyte Boost:** Crafted from evaporated sea water, delivering essential minerals for vibrant, stress-free fish.

## Overview

API Aquarium Salt is a premium 50-pound box of all-natural evaporated sea salt designed specifically for freshwater aquariums. It supplies essential electrolytes that improve fish respiration, reduce stress, and promote faster recovery from disease. Ideal for new tank setups, water changes, and treating minor fish ailments, this trusted formula supports healthy gill function and overall fish vitality. With over 23,000 positive reviews and decades of expertise from API, it’s the go-to solution for professional and hobbyist aquarists alike.

## Description

A lack of electrolytes in aquarium freshwater may cause serious health problems for freshwater fish. API AQUARIUM SALT supplies electrolytes to improve fish respiration. Made from evaporated sea water and containing natural active ingredients such as a natural fish tonic, API AQUARIUM SALT promotes the overall health of your fish by improving their gill function and reducing stress in a freshwater aquarium. This all-natural salt provides the essential electrolytes fish need for the uptake of oxygen and release of carbon dioxide and ammonia through the gills. API AQUARIUM SALT should only be added to reduce stress during new freshwater aquarium setup and water changes or to promote disease recovery when solving specific fish health issues. Use API AQUARIUM SALT when setting up a new freshwater aquarium, when changing water or treating disease. Make sure to take extra care when using salt with live plants, as some plants may be sensitive. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

Review: Essential for Freshwater Aquariums – Must-Have for Healthy Fish! - I’ve been using the API Aquarium Salt for my freshwater aquarium for quite some time now, and I’m thoroughly impressed with the results. Here’s why I’m giving this product a full 5-star review: 1. Promotes Fish Health: This aquarium salt is great for promoting the overall health of my fish. I’ve noticed an improvement in the vitality and color of my fish, especially when used during water changes or to help treat minor illnesses. The salt provides essential electrolytes that help maintain osmotic balance and promote a healthy immune system for the fish. 2. Works as a Healing Aid: I’ve used this salt to treat minor ailments in my fish, such as stress or injuries. It’s been especially effective in helping fish recover from small cuts or scrapes. I follow the instructions, and it seems to work wonders in speeding up recovery and reducing stress levels in my tank. It’s also helpful when acclimating new fish to the tank environment. 3. Perfect for Freshwater Aquariums: I’ve used other salt products in the past, but this one stands out for its quality and effectiveness specifically for freshwater aquariums. It dissolves easily and doesn’t cloud the water, which is a huge plus. The water quality remains stable, and the salt doesn’t cause any harm to my plants, which is important since I have a planted tank. 4. Safe and Easy to Use: This product is easy to measure and dose according to the size of my aquarium. I appreciate the clear instructions on the box, which helps me ensure I’m using the right amount. I also like that it doesn’t affect the pH of the water in a harmful way. I’ve had no issues with the salt causing unwanted spikes in my tank's water parameters. 5. Great Value for the Price: The 67-ounce box is a great value for the price. It lasts a long time, as you only need to use a small amount for each water change or treatment. Given the quality of the product and how much it improves the health of my fish, this is definitely worth the investment. 6. Packaging May Vary, But the Quality Remains the Same: Although the packaging may vary from time to time, the quality of the salt remains consistent. I’ve used this product several times, and every time, it’s been effective and high quality. Final Thoughts: The API Aquarium Salt is a must-have for any freshwater aquarium enthusiast. Whether you’re looking to improve the health of your fish, treat minor injuries, or simply maintain a stable environment, this salt does it all. I highly recommend it to anyone with a freshwater aquarium! 💯 Highly recommended – a great addition to your aquarium care routine for healthy fish!
Review: API is a good brand. - Qualities seems to be good. It seems to be effective. No bad or odd smells. The only issue I had was the cardboard container that the salt is in was slightly opened in the corner upper edge + just looked like the glue didn't seal properly at manufacturer, there was some salt spilled in the shipping box, but I was able to save it.

## Features

- Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box
- Promotes fish health and disease recovery with increased electrolytes
- Improves respiration for fish in freshwater aquariums
- Made from evaporated sea water for all-natural results
- Use when changing water, when setting up a new freshwater aquarium and when treating fish disease

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | API |
| Customer Reviews | 4.7 out of 5 stars 23,374 Reviews |
| Global Trade Identification Number | 00317163041062 |
| Item Form | Granules |
| Item Weight | 50 Pounds |
| Manufacturer | Mars Fishcare |
| UPC | 317163041062 |

## Product Details

- **Brand:** API
- **Item Weight:** 50 Pounds
- **Item Form:** Granules
- **Manufacturer:** Mars Fishcare
- **UPC:** 317163041062

## Images

![AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box - Image 1](https://m.media-amazon.com/images/I/71fb3Pw25bL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Essential for Freshwater Aquariums – Must-Have for Healthy Fish!
*by T***O on February 17, 2025*

I’ve been using the API Aquarium Salt for my freshwater aquarium for quite some time now, and I’m thoroughly impressed with the results. Here’s why I’m giving this product a full 5-star review: 1. Promotes Fish Health: This aquarium salt is great for promoting the overall health of my fish. I’ve noticed an improvement in the vitality and color of my fish, especially when used during water changes or to help treat minor illnesses. The salt provides essential electrolytes that help maintain osmotic balance and promote a healthy immune system for the fish. 2. Works as a Healing Aid: I’ve used this salt to treat minor ailments in my fish, such as stress or injuries. It’s been especially effective in helping fish recover from small cuts or scrapes. I follow the instructions, and it seems to work wonders in speeding up recovery and reducing stress levels in my tank. It’s also helpful when acclimating new fish to the tank environment. 3. Perfect for Freshwater Aquariums: I’ve used other salt products in the past, but this one stands out for its quality and effectiveness specifically for freshwater aquariums. It dissolves easily and doesn’t cloud the water, which is a huge plus. The water quality remains stable, and the salt doesn’t cause any harm to my plants, which is important since I have a planted tank. 4. Safe and Easy to Use: This product is easy to measure and dose according to the size of my aquarium. I appreciate the clear instructions on the box, which helps me ensure I’m using the right amount. I also like that it doesn’t affect the pH of the water in a harmful way. I’ve had no issues with the salt causing unwanted spikes in my tank's water parameters. 5. Great Value for the Price: The 67-ounce box is a great value for the price. It lasts a long time, as you only need to use a small amount for each water change or treatment. Given the quality of the product and how much it improves the health of my fish, this is definitely worth the investment. 6. Packaging May Vary, But the Quality Remains the Same: Although the packaging may vary from time to time, the quality of the salt remains consistent. I’ve used this product several times, and every time, it’s been effective and high quality. Final Thoughts: The API Aquarium Salt is a must-have for any freshwater aquarium enthusiast. Whether you’re looking to improve the health of your fish, treat minor injuries, or simply maintain a stable environment, this salt does it all. I highly recommend it to anyone with a freshwater aquarium! 💯 Highly recommended – a great addition to your aquarium care routine for healthy fish!

### ⭐⭐⭐⭐⭐ API is a good brand.
*by N***K on January 6, 2026*

Qualities seems to be good. It seems to be effective. No bad or odd smells. The only issue I had was the cardboard container that the salt is in was slightly opened in the corner upper edge + just looked like the glue didn't seal properly at manufacturer, there was some salt spilled in the shipping box, but I was able to save it.

### ⭐⭐⭐⭐⭐ Works amazing great price
*by K***R on January 8, 2026*

Works amazing helped my tank and my black moor goldfish had red irritation in his eye. It cleared up instantly after I put it in. My water is crystal clear.

## Frequently Bought Together

- API AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box
- API STRESS COAT Aquarium Water Conditioner 64-Ounce Bottle

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-26*