Phase five: The siphon will draw up lesser gravel particles and sand that should still be handy to the aquarium. Sift these with the filthy water, thoroughly clean them, and switch them when the tank continues to be cleaned sufficiently. Following, clean out the filter content, incorporating new bio sponges https://dubai-pet-accessories11021.smblogsites.com/37200227/detailed-notes-on-fish-tank-filters