You certainly won't have too. Usually if there's junk its from the start. I take mine apart very rarely and usually find that it wasn't necessary at all.
It's easy to flush it out without disassembly so really no concern once they get it sorted out.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."