Home » Tropical Fish Tank » How to clean a tropical fish tank » How to use a gravel vac to vacuum your aquarium How to clean a tropical fish tank How to use a gravel vac to vacuum your aquarium Freshwater-TropicalFish.com October 24, 2017 19 Views 0 Brontosaurus Pet Super Centre includes a video on how to utilize the Aqua One Vac-a-Tank. See Brontosaurus’ Channel to see more how to videos for animal care items and pet care guidance. +576-82