Hello all i have been browsing this site for a few days trying to learn as much as I could before we opened our pool. Short story is we rented a house with a pool and if we want to use it we care for it. Well the pool hasn't been open for about a year I believe, had a cover on it and was closed with chlorine and the pump has been running twice a day. Well the cover started to fail about two weeks ago (stupid cheap tarp) and we just had some free time to finally try to open the pool. Well its not a swamp but its green water for sure. Have a test kit on order just waiting. Soooo I've never had a pool before and am clueless as what to do. I read the pool basics but could use some tips for sure. We were going to vacuum the pool but couldn't get suction... no idea why any suggestions? Should that be the last thing I worry about till I get the chemical levels in line? The home owners had wanted to use the pristine blue junk and have a bunch of it in the storage shed, should I even mess with that? It has/had chlorine in it all winter and would be fine with staying with that. The pool is an oval above ground with a single speed pump and the sand tank thing filter (can you tell I don't know anything about this) and from using the pool calculator the pool holds about 13000 gal.