My First SWCG Cell Cleaning

Pflugerpool

LifeTime Supporter
Jun 25, 2014
111
Pflugerville, TX
Well, after my liner replacement, I worked on getting my salt and CYA back to normal as fast as possible, and I made kind of a critical error. I didn't check the alkalinity of the replacement water, and my pH shot up to over 8 very quickly. Before the water change, I'd beat my alkalinity back down to about 90 and my pH was very stable. I didn't think about the feed water being over 210, and pH was swinging wildly. After a couple of days I noticed the "Cell Maint" light on, and looking through the clear end cap of my RJ60+ cell found that it had just scaled up solid. It was almost completely plugged.

So, today I mixed about 10 oz of 31.45 Muriatic acid into 50 oz of water, capped the cell, and filled 'er up. I wasn't expecting it to be such a vigorous reaction (although I had it contained in a 5 gal bucket) or to take as long as it did. That sucker boiled and fumed for over 30 minutes like this. The cell is nice and clean now. Hopefully after getting my alk/pH problem in hand it will stay that way for awhile. I had no idea how fast it could go south when the chemistry isn't right, so this was another valuable learning experience!

 

Shirker

Well-known member
Jul 2, 2014
693
Athens, GA - USA
Pool Size
19000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
I don't know anything about SWCG (yet) but your video is marked private.
 

Pflugerpool

LifeTime Supporter
Jun 25, 2014
111
Pflugerville, TX
Wow.. that is amazing..! I only ever saw a few bubbles here and there... What is your CH?
About 300, right now.

You might have taken years off of the plates life.
As opposed to just leaving it completely plugged? The calcium had to come out, and the acid solution was even more dilute than what was specified in the product manual. This is the only way to rectify the problem.
 

wireform

Silver Supporter
In The Industry
Aug 15, 2017
3,108
Spring Valley, NY
If you keep the CSI in negitive territory you'll most likely avoid a scaling issue in the cell as others have reported going several years and still not having to clean the cell.
 

frogabog

Gold Supporter
LifeTime Supporter
Jul 16, 2010
2,833
Portland, Oregon
This scaling happened in how many days after your fresh fill? Just a few?

It was clear before that?

That's a significant thing, if so.
 

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