---
product_id: 142045143
title: "RS Electrical 300 Watts Aquarium Heater"
brand: "rs electrical"
price: "R$167"
currency: BRL
in_stock: true
reviews_count: 8
category: "Rs Electrical"
url: https://www.desertcart.com.br/products/142045143-rs-electrical-300-watts-aquarium-heater
store_origin: BR
region: Brazil
---

# 300W Power Versatile Use Precise Temp Control RS Electrical 300 Watts Aquarium Heater

**Brand:** rs electrical
**Price:** R$167
**Availability:** ✅ In Stock

## Summary

> 🌟 Dive into Perfection with Every Degree!

## Quick Answers

- **What is this?** RS Electrical 300 Watts Aquarium Heater by rs electrical
- **How much does it cost?** R$167 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/142045143-rs-electrical-300-watts-aquarium-heater)

## Best For

- rs electrical enthusiasts

## Why This Product

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

## Key Features

- • **Stay in Control:** Easily set and monitor your aquarium's temperature with a thermometer-style indicator.
- • **Multi-Purpose Use:** Ideal for aquariums, aquaculture, terrariums, and hydroponic systems.
- • **Submersible Design:** Completely submersible, making it perfect for both fresh and marine environments.
- • **Reliable Consistency:** Sensitive thermostat ensures a uniform temperature for your aquatic friends.
- • **Lightweight & Compact:** Weighing only 240g, it fits seamlessly into any aquarium setup.

## Overview

The RS Electrical 300 Watts Aquarium Heater is a fully submersible, automatic heater designed for precise temperature control in both fresh and marine water environments. With a sensitive thermostat and thermometer-style indicator, it ensures a consistent and reliable temperature for your aquatic life. Lightweight and versatile, it's perfect for aquariums, aquaculture, terrariums, and hydroponic systems.

## Description

Rs electrical aquarium heater- 300 watts keeps tank water temperature stable compact underwater fish tank heater can adjust temperature. It is great for both fresh water and marine water aquariums, aquaculture, terrariums and hydroponic systems. Rs electrical aquarium heater- 100 watt aquarium heaters are one of the most popular way to keep your tank at a steady and controlled temperature. It controls temperature between. It is made of durable high-impact glass. They have electronic thermostats for accurate temperature settings and safety. They are built with a durable, non-corrosive shell for strength and even heat distribution.

Review: अच्छा है - ठीक गर्माहट देता है।
Review: Poor quality. - One product damaged very fast in 2 week good thing seller replaced it

## Features

- Completely submersible type automatic aquarium heater
- Easy and precise setting to the desired temperature thermometer style temperature indicator is easily available
- Sensitive and reliable thermostat maintain uniform temperature
- Great for both fresh water and marine water aquariums, aquaculture, terrariums and hydroponic systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BEST AQUARIUM |
| Country of Origin | India |
| Product Dimensions | 4 x 35 x 8 cm; 240 g |
| ASIN | B00O7XSOKY |

## Images

![RS Electrical 300 Watts Aquarium Heater - Image 1](https://m.media-amazon.com/images/I/71Opm2nBRQL.jpg)

## Questions & Answers

**Q: How do you test to see if it is heating properly**
A: Buy aquarium thermometer

**Q: Can I use it on 3ft *1.8ft tank**
A: Yes

**Q: Can i use it in 4ft*1.5ft*1.5ft aquarium**
A: Yes you can use it for tank of above dimension

**Q: Can i use it for 3 ft tank as well what is the suitable temperature for flower horn fish**
A: Yes. Suitable temperature for Flowerhorn fish is 26 to 28 degree.

## Customer Reviews

### ⭐⭐⭐⭐⭐ अच्छा है
*by D***T on 23 November 2025*

ठीक गर्माहट देता है।

### ⭐ Poor quality.
*by L***H on 5 August 2025*

One product damaged very fast in 2 week good thing seller replaced it

### ⭐⭐⭐⭐⭐ Big size aquarium
*by S***Y on 9 July 2025*

Good working

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**Shop now:** [https://www.desertcart.com.br/products/142045143-rs-electrical-300-watts-aquarium-heater](https://www.desertcart.com.br/products/142045143-rs-electrical-300-watts-aquarium-heater)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-03-04*