Fluval E 300 Watt Electronic Heater
Fluval

Fluval E 300 Watt Electronic Heater

$54.99$68.994.3(6,170 reviews)
Mubboo Score 4.3/10
  • Continuously monitors and displays aquarium water temperature in real time
  • Intelligent digital microprocessor monitoring system with dual temperature sensors
  • Ensures the safety and well-being of your aquarium inhabitants
  • Precision temperature control allows settings in 0.5-degree increments
  • Integrated fish guard provides advanced protection
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Price & Buy Timing

🔴 Above Average — Consider Waiting

Currently $54.99 — the 90-day average is $47.90.

All-time low: $31.80 on Thu Oct 09 (from 183 price checks).

Mubboo Value Score: 4.3/10

Quality8.6/10
based on 4.3/5 customer rating
Popularity3.7/10
6,170 reviews, top 8% in Aquarium Heaters
Value0.6/10
priced below 6% of Aquarium Heaters

How it stacks up

Rated 4.3/5 — better than 30% of 53 Aquarium Heaters we track. Premium-tier pricing at $54.99.

Head-to-Head vs Category Leader

Fluvalhygger (Leader)
Price$54.99$33.99
Rating4.3/55.0/5
Reviews6,17013
Mubboo Score4.3/104.3/10

The category leader hygger 300W Submersible Aquarium Heater with Di offers better ratings at $33.99.

Quick Specs

Color
Blue
Voltage
230 Volts
Wattage
300 watts
Mount Type
Slim mounting bracket
Style Name
E300
Unit Count
1.0 Count
Heat Output
300 Watts
Is Electric
Yes

What reviewers say

Synthesized from 40 reviews · 100% verified purchases.

Ensure adequate water circulation to prevent flow errors, use a separate thermometer to verify tank temperature, and consider adjustable models if you need to treat diseases with higher heat.

Rating reliability

Well reviewed — reliable rating
🟢 Sold & shipped by Amazon

About Fluval

  • 35 products in our database
  • Average rating: 4.5/5 across all products
  • Price range: $4.48$699.98
  • Categories: Aquarium Filters, Aquarium Heaters, Aquariums, food-pet

Other Aquarium Heaters

Frequently Asked Questions

Is the Fluval Fluval E 300 Watt Electronic Heater worth buying in 2026?

It earns a Mubboo Score of 4.3/10, with a 4.3/5 rating from 6,170 reviews — better than 30% of Aquarium Heaters we track.

How much does the Fluval Fluval E 300 Watt Electronic Heater cost?

It is currently $54.99. The 90-day average is $47.90 and the all-time low we recorded is $31.80.

How does it compare to the top-rated Aquarium Heaters?

The category leader hygger 300W Submersible Aquarium Heater with Di offers better ratings at $33.99.

Sources & References

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