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Thanks for the advice. My acid demand test went from 4 drops to 2 drops so I am on the right track. My CH is 250 and CYA is 50. Filter is up and running now so I can tackle the swamp. SLAM!

yes, sorry. My FC is zero. Just trying to get the water balanced so I can SLAM as soon as my filter is fixed.

Hi, just opening my pool for Spring (NSWG). Plaster, 45000 gallons. Currently filter is cracked and waiting on a part. I can recirculate for now. I have a fairly large algae bloom. My TA is 90. CA is 250. CYA is 50. pH is reading > 8.0. Not unusual for my pH readings to be high when opening. I...

Thanks. That is what I expected.

I hate asking this but, if I add DE to my sand filter to improve filtering and then backwash, do I also wash out the DE at the same time? Pardon my rookiness.

Yes it is Cal-hypo 73%. My calcium is 250 so I have some room on that. Only reason I don't use the liquid is my pool is pretty large (45k) and I would go through several bottles at a time then I have to dispose of the them. I have thought about using it though just to save money if for no other...

Thanks everybody. I have a sand filter and brushed/vacuumed which obviously helped. I have increased the run time from 12 hrs to 16 hrs but will probably just leave the pump on until clear. I suspect I will need to do this a couple of times. I was considering adding the DE as suggested. As per...

Thanks for the reply. I use the Taylor FAS kit. Don't remember the number but it is the good one. My CYA is 50. I have no aerator type devices and I have not replastered. I am going to shock today and recheck everything in the AM. My CC is zero and the overnight free chorine was unchanged last I...

Tested my water 4 days ago and got FC: 4.0 pH: 7.4 TA: 80 Added 10 lbs of baking soda (Arm and Hammer) for inground pool at 45,000 gallons. Also added 1 lb of granular diclor. I also use Trichlor tabs in a float. Retested today and got: FC:4.0 pH: 8.0 TA:100 It is a bit green and hazy after...