Nah. Less uses than it eats away lag.
Yes if it's not laggy and there is an option to disable.
Edit: Also it should not be buggy/cause crashes
When I posted it was just on the second page
*Doesn't bother to check dates of posts
What about people who don't want to mess with code, and just use the game? I Support surface tension.
Sure, it won't be that bad. (Top notch computer)