Third kit alternative: Go to Leslie's web site and order there FAS-DPD Chlorine test service kit--it's the equivalent of the Taylor or Ben's kit--it uses the Taylor chemicals. Right now, you'll get the Leslie's or Taylor much faster.

Each of the forums here has threads that are stickied, meaning that they ALWAYS are at the start of that forum. Read them:

like this one, a beginner's guide:
http://www.poolforum.com/pf2/showthread.php?t=1113

Here's another, on the B-B-B method:
http://www.poolforum.com/pf2/showthread.php?t=1652

Here's one on getting rid of algae:
http://www.poolforum.com/pf2/showthread.php?t=3833

There are lots more, but you can click right from here to get these.