---
product_id: 182843741
title: "Instant Ocean Sea Salt, 50-Gallon"
brand: "instant ocean"
price: "¥57762"
currency: JPY
in_stock: true
reviews_count: 5
category: "Instant Ocean"
url: https://www.desertcart.jp/products/182843741-instant-ocean-sea-salt-50-gallon
store_origin: JP
region: Japan
---

# Dissolves & mixes instantly Makes 50 gallons of synthetic sea water Trusted by aquariums & research for 40+ years Instant Ocean Sea Salt, 50-Gallon

**Brand:** instant ocean
**Price:** ¥57762
**Availability:** ✅ In Stock

## Summary

> 🌟 Dive into perfection with the sea salt trusted for decades!

## Quick Answers

- **What is this?** Instant Ocean Sea Salt, 50-Gallon by instant ocean
- **How much does it cost?** ¥57762 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/182843741-instant-ocean-sea-salt-50-gallon)

## Best For

- instant ocean enthusiasts

## Why This Product

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

## Key Features

- • **Expert Support Included:** Access live chat & phone help 8am-8pm ET, Mon-Fri
- • **Massive 50-Gallon Yield:** One pack covers your entire marine setup
- • **Rapid Dissolution Power:** Mixes quickly for hassle-free aquarium prep
- • **Proven Industry Standard:** Preferred by hobbyists, public aquariums & labs worldwide
- • **Reliable Quality & Consistency:** Formulated for stable, healthy aquatic environments

## Overview

Instant Ocean Sea Salt is a premium synthetic sea salt powder that dissolves quickly to create 50 gallons of high-quality marine water. With over 40 years as the go-to choice for hobbyists, public aquariums, and scientific research, it guarantees consistent, dependable water chemistry. Backed by expert technical support, it’s the ultimate solution for maintaining thriving saltwater aquariums.

## Description

Instant Ocean Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The No.1 choice of hobbyists, public aquariums and scientific research facilities, Instant Ocean Sea Salt has set the industry for quality, consistency and value for more than 40 years.

Review: ¡Un clásico marino! - Tengo cuarenta años manteniendo acuarios marinos de todo tipo, Instant Ocean y la sal que de las salineras de Lorena, Francia obtienen con adición de sintéticos me ha acompañado todo ese tiempo sobre todo cuando hay épocas en donde requieres un precio económico, ya que la acuariofilia marina no es para cualquiera por los costos que en cualquier momento enfrentas, el contar con sal de emergencia es obligatorio y desde siempre he contado con bolsas de reposición sin importar cuando las use, de tener hace unos veinticinco años un tanque de 1,000 GA pase gradual y lentamente a los tanques NANO con el ahorro en recursos, energía y especímenes para ir de la mano con una política de planeta sustentable y ahí estuvo Instant Ocean y seguirá hasta donde mi afición me lo permita.
Review: Salt was clumped - Not sure if it was due to moisture but the salt started to clump together

## Features

- Instant Ocean(TM) Synthetic Sea Salts - Dissolves and mixes quickly and easily
- High quality and dependable
- Makes 50 gallons.
- When you shop with Carolina, you're not alone! All of our products are backed by unparalleled technical support, available from 8am to 8pm, ET, Monday-Friday. Contact information (Live Chat, email, and phone) is provided after placing your order at desertcart.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000255NKA |
| Brand | Instant Ocean |
| Brand Name | Instant Ocean |
| Customer Reviews | 4.8 out of 5 stars 5,177 Reviews |
| Global Trade Identification Number | 00051378014007 |
| Item Form | Powder |
| Item Weight | 6.8 Kilograms |
| Liquid Volume | 50 Gallons |
| Manufacturer | Carolina Biological Supply Company |
| Manufacturer Part Number | AQ-SS350-10 |
| Model Number | AQ-SS350-10 |
| Target Species | Fish |
| UPC | 719279584394 051378014007 |
| country-of-origin | USA |

## Product Details

- **Brand:** Instant Ocean
- **Liquid Volume:** 50 Gallons
- **Item Weight:** 6.8 Kilograms
- **Item Form:** Powder
- **Manufacturer:** Carolina Biological Supply Company

## Images

![Instant Ocean Sea Salt, 50-Gallon - Image 1](https://m.media-amazon.com/images/I/81K3I-LMf1L.jpg)
![Instant Ocean Sea Salt, 50-Gallon - Image 2](https://m.media-amazon.com/images/I/81Q4h2DJDYL.jpg)
![Instant Ocean Sea Salt, 50-Gallon - Image 3](https://m.media-amazon.com/images/I/71RBKwv4fQL.jpg)
![Instant Ocean Sea Salt, 50-Gallon - Image 4](https://m.media-amazon.com/images/I/71ZVr6j9pUL.jpg)
![Instant Ocean Sea Salt, 50-Gallon - Image 5](https://m.media-amazon.com/images/I/81xKuDtFZIL.jpg)

## Questions & Answers

**Q: Why the crazy price hike?**
A: Crazy, I just ordered this 5 gal. bucket ( 160 gal ) and the price almost doubled ? Sooo, I drove a few miles to buy at Petco for about $40.00 w/tax, " Come on Man "

**Q: Can you use this for hermit crabs?**
A: Yes, you can use this to make drinking/soaking water for tropical land hermit crabs.  Just be sure they always have TWO WATER DISHES - one with de-chlorinated fresh water and one with brackish or salt water such as this.  The dishes need to be deep enough for them to fill their shells with water if they want, but must have sponge or some driftwood in them for easy access in and out.  Few people realize they need salt water as well as fresh, kudos to you for inquiring!  If you know which species you have, you should google to find out any specific quirks or requirements.

**Q: Ratio (ingredient weight to water volume) for brackish water condition?**
A: Typically, we recommend starting with 1/4 cup of salt to one gallon of water.  This is half the amount used to make full marine conditions.  You will need a hydrometer or refractometer to test the salinity.  You need 1.010 - 1.015.

**Q: If I have a 39 gallon tank, what size should I buy?**
A: You'll always need to make water for water changes so buying in bulk saves money. if you go to the web site it will tell you the exact amount per gallon

## Customer Reviews

### ⭐⭐⭐⭐⭐ ¡Un clásico marino!
*by I***A on 2 February 2026*

Tengo cuarenta años manteniendo acuarios marinos de todo tipo, Instant Ocean y la sal que de las salineras de Lorena, Francia obtienen con adición de sintéticos me ha acompañado todo ese tiempo sobre todo cuando hay épocas en donde requieres un precio económico, ya que la acuariofilia marina no es para cualquiera por los costos que en cualquier momento enfrentas, el contar con sal de emergencia es obligatorio y desde siempre he contado con bolsas de reposición sin importar cuando las use, de tener hace unos veinticinco años un tanque de 1,000 GA pase gradual y lentamente a los tanques NANO con el ahorro en recursos, energía y especímenes para ir de la mano con una política de planeta sustentable y ahí estuvo Instant Ocean y seguirá hasta donde mi afición me lo permita.

### ⭐⭐⭐⭐ Salt was clumped
*by A***S on 27 December 2022*

Not sure if it was due to moisture but the salt started to clump together

### ⭐⭐⭐⭐⭐ The Best Sea Salt Brand
*by P***L on 10 February 2026*

Instant Ocean Sea Salt 50 Gallons is a dependable, fast‑dissolving mix that makes water changes simple and consistent, producing clear, stable saltwater within minutes and maintaining reliable pH, alkalinity, and trace elements for healthy marine fish and invertebrates. It’s clean, easy to measure, and mixes without residue or cloudiness, which is great when you need water ready quickly. The blend is ideal for fish‑only or beginner reef setups, offering strong value without the premium price tag of specialized reef salts. While advanced coral keepers may supplement calcium or magnesium depending on their tank’s demands, the overall performance, affordability, and long‑term consistency make this salt mix a trustworthy choice for everyday marine aquarium care.

## Frequently Bought Together

- Instant Ocean Sea Salt 50 Gallons, For Marine Aquariums, Fast Dissolving
- API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-14*