The Insten Aquarium Fish Tank Gravel Vac Siphon Vacuum Cleaner might be okay for a 3 gal. or less size tank but too small for larger Aquarium Fish Tank. The main problem is the size of the tubing. The price was okay and the quality seems good but the application is not stated correctly.
It does a very good job at helping me keep temps in proper range. Did not give five stars due to hard to determine what it says have to block light(any type light no matter the source from sun light to artificial including tank light) to be able to read it. If they would fix that then not only would I change review but also purchase a new one.
I like the fact that these bubble tubes take up less room than the wider, long bubble stones. They also emit extremely fine bubbles that do not create a bad turbulence in the water--much more fish friendly.
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