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Friends, I'm conducting a water exchange on my pool. CH = 850 (! I was a bit shocked by this number, but we haven't replaced/exchanged water for 2 1/5 years, so I figure it is just a product of that) Salt = 2000 Additionally: TA = 110 CYA = 50 PH = 7.6 FC = 1 CC = 0 PWT = 67 FWT = 50 FW...

Hey ya'll -- as mentioned a few days ago, I purchased the fancy-dancy pH meter this spring in an attempt to have greater confidence in managing our pH. However! It has actually incurred less confidence and more confusion for me! :-\ We resurfaced our pool this past December, so I've been...

We had our IG pool resurfaced in December and chemistry was balanced immediately after by our pool guy. I took over maintenance after a few weeks and was simply brushing, vacuuming, monitoring chlorine and pH levels until a couple of weeks ago. We had zero CYA because of the new water, so I...

I thought I had zeroed in on a robot (the Maytronics Dolphin Triton Plus), but found a few comments about it not getting in curved areas well. It is at the very top end of our price range, so I don't want to get something just to have it work "ok". Our pool is jellybean shaped with rounded...

A couple of weeks ago, while vacuuming and backwashing, the psi on the pump jumped from 10 to 30, even 40. We shut it off until our pool guy could come out the next day. He switched it on and no problem, psi was back to normal ~ 15 ish. This morning we've had some colder weather, so I turned...

My pool store carries Omni Calcium Hardness Increase, so that's what I've got. My question is: what is the actual ingredient being used to increase the calcium? I cannot, for the life of me, find it anywhere on the bucket, not the omni website. What I'm really wondering is which chemical do I...

Took a sample to the pool store today. Test results were as follows: FC: 1.7ppm Total Chlorine: 2.0 ppm Combined Chlorine: 0.4 ppm pH: 7.8 Hardness: 144 ppm Alkalinity: 82 ppm CYA: 58 ppm Copper: 0.4ppm Iron: 0.1 ppm What I'm confused about is why PoolMath says I should add 19 lbs of Calcium...