Simply Koi and More Koi

hi thanks for the reply i understand how and what airlifts do im just thinking of incorporating it within my system ie:helping move the water more quickly up the bottom drain into the filter. so what i was thinking is if i put a few airstones into the botton drain inlet would this help push more vol...

hi new to the board but been readin a bit. so let me get this right then say if i put an airline into the pond and shove it slightly into the bottom 4 inch drain i already installed a while agothat would push more volume up my 4 inch gravity fed system rather than just let gravity take its course? a...