like i would never put a xp3 only on a 175 gal tank. for the most part you can cut what they say in half and thats a good place. they always claim its fine for bigger tanks then it can handle.
the xp3 should be fine for a 110 if you have other power heads on it helping with mechanical filtration.
the xp3 should be fine for a 110 if you have other power heads on it helping with mechanical filtration.