---
product_id: 726709610
title: "API Saltwater Master Test Kit 550-Test and Instant Ocean Sea Salt 50 gal for Saltwater Aquariums"
brand: "api"
price: "€ 309.63"
currency: EUR
in_stock: true
category: "Api"
url: https://www.desertcart.be/products/726709610-api-saltwater-master-test-kit-550-test-and-instant-ocean
store_origin: BE
region: Belgium
---

# 50 gal Instant Ocean sea salt 550 precise tests included fast-dissolving salt for instant clarity API Saltwater Master Test Kit 550-Test and Instant Ocean Sea Salt 50 gal for Saltwater Aquariums

**Brand:** api
**Price:** € 309.63
**Availability:** ✅ In Stock

## Summary

> 🌟 Dive into flawless marine care with pro-grade precision!

## Quick Answers

- **What is this?** API Saltwater Master Test Kit 550-Test and Instant Ocean Sea Salt 50 gal for Saltwater Aquariums by api
- **How much does it cost?** € 309.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/726709610-api-saltwater-master-test-kit-550-test-and-instant-ocean)

## 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

- • **Easy Routine Maintenance:** Test and replenish with biweekly 20% water changes for thriving saltwater habitats
- • **Trusted Industry Leaders:** API & Instant Ocean, 40+ years of aquarium expertise in one bundle
- • **Comprehensive 550-Test Kit:** Monitor pH, ammonia, nitrite & nitrate with lab-grade accuracy
- • **Prevent Hidden Water Hazards:** Catch toxic ammonia and nitrate spikes before they harm your aquatic ecosystem
- • **Instant Ocean Sea Salt - 50 Gal:** Formulated for marine life, dissolves quickly for crystal-clear water

## Overview

The API Saltwater Master Test Kit (550 tests) combined with Instant Ocean Sea Salt (50 gal) offers a complete, professional solution for maintaining optimal water quality in saltwater aquariums. This bundle enables precise monitoring of critical water parameters and fast preparation of marine-ideal saltwater, ensuring a safe, thriving environment for fish and invertebrates.

## Description

The API SALTWATER MASTER TEST KIT (550-Test) and Instant Ocean Sea Salt (50 gal) bundle provides everything you need to create and maintain a healthy saltwater aquarium environment. The API test kit enables accurate weekly monitoring of pH, ammonia, nitrite and nitrate levels to ensure water quality stays within safe parameters for marine life. Its 6 bottles of test reagent, color card, and 4 test tubes make it easy to test 550 times. Instant Ocean sea salt mixes with tap water to quickly create balanced, marine-ideal water conditions. Its superior solubility dissolves fast for crystal clear water. Formulated specifically for marine life support, it provides major and trace elements fish and invertebrates require. Use the test kit to routinely check for dangerous ammonia and nitrate spikes from waste buildup. Perform 20% biweekly water changes with pre-mixed sea salt to replenish depleted additives. With the API test kit and Instant Ocean sea salt, you have professional-grade tools to create a safe saltwater habitat.

## Features

- Contains API 550-test saltwater aquarium water test kit to monitor pH, ammonia, nitrite and nitrate levels
- Includes Instant Ocean sea salt formulated specifically for marine aquariums with 50 gal capacity
- API test kit helps prevent invisible water quality issues harmful to fish and invertebrates
- Instant Ocean dissolves fast to provide clear, ready-to-use saltwater solution in minutes
- Trusted brands - API and Instant Ocean are industry leaders in aquarium products for over 40 years

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2VNDN4Y |
| Brand | API |
| Brand Name | API |
| Manufacturer | API |
| Unit Count | 1.0 Count |

## Images

![API Saltwater Master Test Kit 550-Test and Instant Ocean Sea Salt 50 gal for Saltwater Aquariums - Image 1](https://m.media-amazon.com/images/I/51JkXgsLFmL.jpg)

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**Shop now:** [https://www.desertcart.be/products/726709610-api-saltwater-master-test-kit-550-test-and-instant-ocean](https://www.desertcart.be/products/726709610-api-saltwater-master-test-kit-550-test-and-instant-ocean)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-06-25*