how do i make a filter for fry tank

[murad]

i have a 2g fry tank and a 10g
but i want to make filter for fry what is an easy way and efficient way to do it with an airpump

 

[maxwellag]

i have a 2g fry tank and a 10g
but i want to make filter for fry what is an easy way and efficient way to do it with an airpump

And easy way is to cut a sponge so you can shove it up a plastic tube that is wide enough for an airstone to go through. Then you simply push the airstone down the tube until it hits the sponge, and connect it to tubing and a pump, and turn it on. The bugles will rise up the tube, causing water to be pushed up the tube, so water is getting sucked through the sponge too.