Originally Posted by Xaltd1
But don't the fish get human germs??? Can't be good... esp. for fry.
LOL...usually it's the human worrying about getting nasty water bacteria into their mouths. Mouth siphoning is safe for the fish, granted don't do it after you've taken a shot of your favorite whiskey!
It's the most convienent, easiest, and efficient way to create a quick and low flow vaccuum system to suck out dirt/poop/dirty water. No machines involved at all....just the pure pull of pressure & gravity taking its course.