Originally Posted by AaronW
Is it better to place them on the bottom or the top?
depending on the size and shape of the tank along with the aqua scape
helps in figuring out the best place to put it and if it can be more hidden or not
some of my tanks have them near the surface some have them about 1/2 way down
the ones I have on the very bottom help with the messy eaters keeping the tank cleaner
it basically is up to you to figure what is best for that particular tank
placement vary s no 2 tanks have the same aqua scaping or lay out