Harder to pull through perced bong?

[sojourn]

sometimes i find if u get far too much water in the bottom perc it can become increasingly more difficult to get a fat hit... even if u fill it up correctly initially watch out cause if it has an ice catch the melting ice will just fill it up eventually

btw my bong also is double perc

thanks how much do you think i should fill up also, do you feel like it takes more lung pressure to suck through a bong with percs, compared to one without?