Vac A Tank Gravel Cleaner 23 to 40cm 9 to 16in

Kongs

$14.99 

20135

Aqua One Gravel Cleaners offer an effective and thorough aquarium cleaning solution. They are designed for easy use; with a Quick Start feature that makes getting the siphon started a breeze, and also includes non-kink hosing.

https://www.youtube.com/watch?v=9rYjxcZwbAQ

https://www.youtube.com/watch?v=mXsmVTzC1hA