havent done anything to that one.
i plan to fix it for my 480g pond.
i think it will be perfect for that.
for the 240,i didnt want that monster under the stand.lol
i plan to get a lil one to attach to the sump to make everything easy.
diy lil one,well,just want to hook up and forget,not mess with it.lol
i like the ones you posted.lol
i seen one like that on e bay last night.lol