<https://forum.aquariumcoop.com/topic/12409-why-are-ugfs-not-very-popular/#comment-97201>
<http://schema.org/text>
"I have used with my kuhli loaches in the distant past.  Be sure to weigh the Filter down as they will get under it.  But this is not bad as they prefer this space under the UGF.  Except you will not ever see them, once they can get under it. EVER! LOL!  \n\tPlants LOVE UGFs!\n \n\n\n\t \n \n\n\n\t  \n\t \n "
<https://forum.aquariumcoop.com/topic/12409-why-are-ugfs-not-very-popular/>