What is the best turtle filter for a big tank?
You should buy a filter rated 2-3 times the tank, and if it’s an external canister you should try to buy one rated a little over the tank, if you can’t afford a bigger one. Turtles are messy, so don’t be afraid to go overboard on the filteration! In fact, there’s no such thing as too big of a filter for turtles. A fluval 405 is for 100 gallon tanks. These are good filters. Turtles are messy, so don’t be afraid to go overboard on the filteration! I know they are not filters for turtles but they are still great. Another good filter is the Filstar XP2. These are for 75 gallons. A Filstar XP3 is for tanks up to 175 gallons, so you don’t have to use that if you don’t want to. These are all external canister filters. A hang-on-the tank power filter like an Aquaclear 110 (for aquariums up to 110 gallons) also works for turtles. Don’t buy internal filters. They are a waste of money and don’t keep turtle tanks clean well. Same goes for corner filters. They are too small for turtle tanks. One re
