White flakes floating on water surface .

[Paul NJ908]

Opened my pool and after shocking it, I noticed white flakes floating around the water’s surface. Initially I tried to skim it with the net but particles are too small. Visited the pool store, and although pool levels were spot on, I was advised that it may be white water mold. Backwashed and scrubbed, Quadruple shocked the pool to almost 22ppm, backwashed, cleaned the SWG with muriatic acid, then vacuumed and ran pump for about 30 hours. It appears that it didn’t work. Please see photos and video link.

This threw off my numbers and I managed to bring down the PH and fix the alkalinity, just waiting on the FC to dissipate but these white flakes remain.

Surface video

 

[Texas Splash]

My money is on calcium released from your SWG after opening. Balance your water like normal and monitor. If you ever have doubts about algae, do an Overnight Chlorine Loss Test.

 

[Paul NJ908]

thanks, but i acid washed the salt cell before opening and again yesterday. I’ll wait it out and see what happens.

 

[Rancho Cost-a-Lotta]

Can you collect any of the debris with a net? What's it feel like. If you can collect enough, apply a few drops of acid. It will fizzle if it's calcium. The photos are too small to see anything at my end.

 

[Rancho Cost-a-Lotta]

The photos are a bit better and viewed the video, but still hard to see what it is. I get white floaters from trees/plants that feel and look like cotton; kinda stringy.

 

[mgtfp]

Did you turn off the SWG before you "shocked" the pool and did you lower the pH to 7.2 before adding the chlorine?

Adding that much chlorine will temporarily raise pH (will get down again once the chlorine is used up), and if the SWG keeps running, there is a good chance to get excessive scaling in the cell. The auto-reversal will then shed off the flakes, even in a freshly cleaned cell, and you might not notice much additional growth on the plates.

I did it myself before following TFP...

 

[Paul NJ908]

Did you turn off the SWG before you "shocked" the pool and did you lower the pH to 7.2 before adding the chlorine?

Adding that much chlorine will temporarily raise pH (will get down again once the chlorine is used up), and if the SWG keeps running, there is a good chance to get excessive scaling in the cell. The auto-reversal will then shed off the flakes, even in a freshly cleaned cell, and you might not notice much additional growth on the plates.

I did it myself before following TFP...

You may have a good point. When I shocked (liquid chlorine), the ph was at 7.8 and I realized the swg was still at 20%.