---
product_id: 214760437
title: "Instant Ocean SeaTest Hydrometer"
brand: "instant ocean"
price: "680 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/214760437-instant-ocean-seatest-hydrometer
store_origin: RO
region: Romania
---

# High Accuracy 500 ms Response Reusable Design Instant Ocean SeaTest Hydrometer

**Brand:** instant ocean
**Price:** 680 Lei
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into Precision with Instant Ocean!

## Quick Answers

- **What is this?** Instant Ocean SeaTest Hydrometer by instant ocean
- **How much does it cost?** 680 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/214760437-instant-ocean-seatest-hydrometer)

## 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

- • **FDA Approved:** Rest easy knowing your equipment meets stringent safety standards, making it perfect for both hobbyists and professionals.
- • **Rapid Results:** Get readings in just 500 milliseconds, ensuring you never miss a beat in your aquatic environment.
- • **Sleek & Durable:** Crafted from high-quality glass, this hydrometer combines elegance with functionality for a long-lasting tool.
- • **Eco-Friendly Choice:** With its reusable design, you’re not just investing in quality; you’re also making a sustainable choice for the planet.
- • **Precision at Your Fingertips:** Experience unparalleled accuracy with the Instant Ocean SeaTest Hydrometer, designed for the discerning aquarist.

## Overview

The Instant Ocean SeaTest Hydrometer is a high-accuracy tool designed for adults, featuring a rapid response time of 500 milliseconds. Made from durable glass and FDA approved, this reusable hydrometer is perfect for maintaining optimal conditions in your aquarium.

## Description

Instant Ocean SeaTest Hydrometer

## Features

- High Accuracy

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Instant Ocean |
| Special Feature | High Accuracy |
| Age Range (Description) | Adult |
| Outer Material | Glass |
| Specification Met | FDA |
| Product Care Instructions | Wipe Clean |
| Net Quantity | 1.0 count |
| Power Source | Battery Powered |
| Response Time | 500 Milliseconds |
| Reusability | Reusable |
| Manufacturer | Instant Ocean |
| Country of Origin | USA |
| Item model number | TK504 |
| Product Dimensions | 3.81 x 13.34 x 22.23 cm; 22.68 Grams |
| ASIN | B00019JOSO |

## Product Details

- **Brand:** Instant Ocean
- **Special Feature:** High Accuracy
- **Color:** Whites & Tans
- **Age Range (Description):** all ranges
- **Included Components:** Instant Ocean Full-range Hydrometer
- **Outer Material:** Plastic
- **Display Type:** Analog
- **Product Care Instructions:** Hand Wash Only
- **Unit Count:** 1 Count
- **Power Source:** Manual

## Images

![Instant Ocean SeaTest Hydrometer - Image 1](https://m.media-amazon.com/images/I/610y151-AhL.jpg)
![Instant Ocean SeaTest Hydrometer - Image 2](https://m.media-amazon.com/images/I/31ZfDtrK5WL.jpg)

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**Shop now:** [https://www.desertcart.ro/products/214760437-instant-ocean-seatest-hydrometer](https://www.desertcart.ro/products/214760437-instant-ocean-seatest-hydrometer)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-20*