Eheim 3531090 First Impressions
The thing is huge, too.
So, I bought a 20 gallon long and transferred them from the 10 gallon. A little tricky with the hand pump. Most of the poop just sits on the top the sand substrate in my tank. Python is good too but this is fast, easy and light. The assembly instructions for this unit are unquestionably clear and precise. The telescoping tube will extent to permit a larger tank to be effectively cleaned. I should have believed the other reviews.
- Editor's Impressions Of The Eheim 3531090
- Cleaning Ability [star rating='4.8']
- Cleaning Speed [star rating='3.8']
- Build Quality [star rating='3.5']
- Value For Money [star rating='4.3']
- Feature Set [star rating='4.1']
Eheim 3531090 Final Thoughts
Wonderful product!
I would definitely recommend this product. If you have a HUGE tank, though, it will tank you a while. I found that it's difficult to use. It's easy to put together, easy to use, easy to clean. I learned that the hose attachment was great at removing water from the tank. Needless to say there was a lot of muc on the bottom. Do what I did, and do, and so many others have stated in their reviews.
Overall Score
3.8
(2220 Points)

- Eheim 3531090 Features & Specs
- Easy to use - no buckets or hoses required
- Extends intervals between water changes
- Fully submersible up to 3 feet
- Battery operated
- Ideal for complete aquarium cleaning or quick spot maintenance
- Manufacture: Eheim
- Product Dimensions: 2.75 x 1.5 x 24 inches; 15.6 Ounces
- Batteries: 2 AAA batteries required. (included)
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