This page contains the following solutions.
A while back I wrote in asking if anyone knew how to turn a yellowed artificial Christmas tree white again. It looked fine at night all lighted, but during the day it was just yellow.
Cleaning Artificial Trees
Removing Stains from Corian
Uses for Artificial Christmas Trees
Making an Artificial Christmas Tree
Storing an Artificial Christmas Tree
Unclogging a Swiffer Wet Jet
Decorating an Artificial Christmas Tree