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Hydor ETH 300 in-Line External Aquarium Heater, 300w, 5/8" Hose

3.7 out of 5 stars 681 ratings

Price: $138.00
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Size: 300 Watt 5/8"
300 Watt 5/8"
Updated other options based on this selection

Enhance your purchase

  • Suitable for marine and tropical aquariums
  • Easy to use
  • High precision electronic temperature control
  • For external use
  • 5/8 inch hose

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Product details

Size:300 Watt 5/8"
  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 10.16 x 10.16 x 31.75 cm; 453.59 Grams
  • Date First Available ‏ : ‎ 21 September 2018
  • Manufacturer ‏ : ‎ Hydor USA, Inc.
  • ASIN ‏ : ‎ B0002Z7VQE
  • Item Model Number ‏ : ‎ T08203
  • Department ‏ : ‎ Home
  • Customer Reviews:
    3.7 out of 5 stars 681 ratings

Frequently bought together

  • Hydor ETH 300 in-Line External Aquarium Heater, 300w, 5/8" Hose
  • +
  • Fluval 407 Performance Canister Filter 120Vac, 60Hz, 10.8 LB
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Product description

Size:300 Watt 5/8"

ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. Designed to be used on return lines coming from canister filters or sumps.


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Customer reviews

3.7 out of 5 stars
3.7 out of 5
681 global ratings

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Top reviews from Australia

Reviewed in Australia on 21 April 2021
Size: 200 Watt 1/2"Verified Purchase
Reviewed in Australia on 28 April 2021
Size: 300 Watt 5/8"Verified Purchase
Reviewed in Australia on 2 April 2021
Size: 300 Watt 5/8"Verified Purchase

Top reviews from other countries

Ken o
5.0 out of 5 stars Great heater
Reviewed in the United Kingdom on 25 November 2020
Size: 200 Watt 1/2"Verified Purchase
One person found this helpful
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Kieran
5.0 out of 5 stars Works great.
Reviewed in the United Kingdom on 29 December 2020
Size: 200 Watt 1/2"Verified Purchase
Leigh B.
1.0 out of 5 stars Dangerous
Reviewed in the United Kingdom on 11 July 2021
Size: 300 Watt 5/8"Verified Purchase
David Hedrick
1.0 out of 5 stars Dangerous, but cheap.
Reviewed in Canada on 4 January 2020
Size: 300 Watt 5/8"Verified Purchase
4 people found this helpful
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Doberman
1.0 out of 5 stars Poor quality
Reviewed in Canada on 23 November 2020
Size: 300 Watt 5/8"Verified Purchase
One person found this helpful
Report abuse