I have yet to have clear water in my Intex 16' x 4' above-ground pool. I used well water and have vacuumed to waste most of the sediment that got in there due to running pump too long first time, put in all appropriate start-up chemicals (using salt instead of chlorine), then had a lot of rain. We took sample to the pool store on Saturday - needed to raise alkalinity and calcium plus shock treatment. Still green (running filter cartridge pump 24/7) so we shocked it again on Monday night. Lighter in green color now but still green! Tried metal sequestrate last night and a little lighter this morning. Filter is brown every time I clean it (every 12 hours) and today I noticed some brown around edges of bottom of pool. Could be from where I added metal treatment last night around the perimeter of pool. Any great ideas??? First pool and I have yet to swim in it. It has been up a month now. Thanks for any advice!