Hi, and welcome to TFP. I gotta run, but just wanted to leave you a quick hello. We have the solution. It'll be relatively simple. And likely has absolutely nothing to do with your equipment and very likely has all to do with the crud and advice that Leslie's has been giving you. Their model of pool care is not sustainable, that is a fact, and you are likely at the end of its natural course, which inevitably is failure, usually with a healthy dose of algae thrown in. Start with the two links below, and buy one of the few recommended kits (the TF-100 would be a good choice). Your solution is dependent on a quality test kit (NOT Leslie's testing).
If you do have a filtering problem, we'll address that, too. But green equals algae and if your water is circulating the algae was not caused by lack of filtering. First things first, get the kit. Pour in a gallon of bleach every day until the kit arrives. Then test your water with the kit, and post your results here. From those results, you'll get the advice you need.
In the meantime, stay out of Leslie's and don't pour anything else into your pool (except the chlorine). Leslie's potions will just make your problem worse.
Look here for some links to info about which kit to buy:
Read This BEFORE You Post - Trouble Free Pool
And here to get you started on a path to a Trouble Free Pool.
There are several items things every pool owner should know about swimming pool water. We share details on the basics of Pool Water Chemistry.
www.troublefreepool.com