Yep we got it fixed!!! Thank you for the help. Good grief , 44,000 gallons; that thing is huge. I can only imagine how much bleach you would go through on a daily basis.I posted to your question about the LQ (I think that was you?). I used to have one, hope I can help with that too. I do still have "access" to my LQ, I installed it on a friend's pool. My pool was too dang big for the LQ to save me any time.
To me that's cheap. If I buy 10.5% at my local pool store, it's $3.75 per gallon. Seems really high to me but I pay almost $3 per gallon for 8% bleach.Oh I know the feeling! Going through it now. So far 7.5 gallons of 10% chlorine. 2.5 gallons is $4.75 here. Overall I'm getting off pretty cheap. I may go pickup some DE alternative (cellulose) It's worked well in the past with fine stuff. Guess I'll run to Home Depot and get some DE and MA.
Keep up with the SLAM. It will work out.
I hope he has it cleared up by now considering that was posted May 6th of last year.http://www.troublefreepool.com/threads/73192-Deep-Cleaning-a-Sand-Filter
Could try that, but read it thoroughly and maybe watch videos or read additional threads.
Also, maybe give it a few more days of shock FC, brushing, and vacuuming. Just to see if it was slow but continuing progress. Take pictures of vac head at the bottom in same daylight to compare.