Hello Theresa, and welcome to the forum! I moved your post here, where it's a little more appropriate--the original forum you posted in was for questions and info about the use of the forum itself........

Are you planning to drain the pool because you're going to close it, or because of the green and tadpoles? If it's because of the green and tadpoles, it can be dealt with without draining. See this... http://www.poolforum.com/pf2/showthread.php?t=1180

Janet