---
product_id: 260217436
title: "Hagen Fluval SEA Hydrometer"
brand: "hagen"
price: "€ 43.23"
currency: EUR
in_stock: true
reviews_count: 6
url: https://www.desertcart.be/products/260217436-hagen-fluval-sea-hydrometer
store_origin: BE
region: Belgium
---

# Salt level accuracy for marine health Large, easy-to-read scale Precise specific gravity measurement Hagen Fluval SEA Hydrometer

**Brand:** hagen
**Price:** € 43.23
**Availability:** ✅ In Stock

## Summary

> 🌟 Stay ahead of the tide with precision you can trust!

## Quick Answers

- **What is this?** Hagen Fluval SEA Hydrometer by hagen
- **How much does it cost?** € 43.23 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/260217436-hagen-fluval-sea-hydrometer)

## Best For

- hagen enthusiasts

## Why This Product

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

## Key Features

- • **Versatile use:** Designed for both in-tank and external measurements, adapting seamlessly to your setup.
- • **Lightweight & sleek:** Compact 23g design fits perfectly in any aquarium environment without disruption.
- • **Precision at a glance:** Accurately measures specific gravity and salt levels to keep your aquatic ecosystem thriving.
- • **Effortless readability:** Large, clear markings ensure quick, stress-free monitoring every time.
- • **Trusted aquatic partner:** From beginners to pros, Fluval’s legacy guarantees quality and reliability.

## Overview

The Hagen Fluval SEA Hydrometer is a lightweight, easy-to-read tool designed to measure specific gravity and salt levels in marine aquariums. Its versatile design allows for use both inside and outside the tank, ensuring accurate monitoring to maintain optimal aquatic health. Trusted by hobbyists and experts alike, it combines simplicity with reliable performance.

## Description

Fluval has been providing quality aquatic products at value pricing for years. Whether you have a beginner setup or even up to advanced seasoned aquatic experts, Fluval provides everything you need for quality, healthy aquatic environments

Review: Don't buy it. - It's doesn't work as described
Review: Muy rapido y buena

## Features

- Measures specific gravity and salt level in aquariums
- Accurate & easy to read
- Can be used in or out of the aquarium

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007MM0YUU |
| Batteries Included | No |
| Color | Clear |
| Customer Reviews | 3.6 3.6 out of 5 stars (800) |
| Date First Available | 11 April 2013 |
| Item Weight | 23 g |
| Item model number | 14356 |
| Number of Items | 1 |
| Product Dimensions | 2.54 x 13.97 x 20.07 cm; 23 g |
| Quantity | 1 |
| Size | 1 Count (Pack of 1) |
| Special Features | Large Easy-to-read Markings, Simple Design, Marine Aquariums |
| Specific Uses | Both indoor and outdoor |
| batteries required | No |

## Product Details

- **Brand:** Hagen
- **Material:** Glass
- **Product dimensions:** 25L x 140W x 201H millimeters
- **Special features:** Large Easy-to-read Markings, Simple Design, Marine Aquariums
- **Tank volume:** 35 Liters

## Images

![Hagen Fluval SEA Hydrometer - Image 1](https://m.media-amazon.com/images/I/81Zk0yoggSL.jpg)

## Available Options

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

## Customer Reviews

### ⭐ Don't buy it.
*by A***A on 17 August 2023*

It's doesn't work as described

### ⭐⭐⭐⭐⭐ Review
*by J***T on 9 January 2020*

Muy rapido y buena

### ⭐⭐⭐⭐⭐ Review
*by C***S on 19 August 2025*

Works great when I calibrate with freshwater and put in but I don’t leave it in my tank, that might not work, but the way I use it to test my water it’s been perfect I love it! Very affordable and seems accurate!!!

## Frequently Bought Together

- Fluval Sea Hydrometer for Aquarium, Medium
- 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 Belgium*
*Store origin: BE*
*Last updated: 2026-04-23*