Raising FC level with SWG

[00xavier]

Hello,

I installed a SWG on Friday and I am trying raise my FC level for a barbecue tomorrow. My SWG is running at 100% and I am currently running my pump from 8 am to 8 pm. What do you recommend? Here are my numbers:

FC - 1 pm
pH - 7.3
TA - 70
CH - 300
CYA - 40 - (I am currently using the sock method to raise it to 75)
Borates - 50
Salt - 4000 ppm

 

[JasonLion]

Add some chlorine manually.

The SWG will probably get there eventually, but that could be days. A SWG is not designed to raise FC by a lot quickly and you need to be sure things are good tomorrow.

 

[Azgirl71]

I agree with JasonLion. It would be best to use bleach to raise FC since it needs to rise a lot in a short amount of time.

 

[pooldv]

I would use bleach to raise the level to 10 anytime you expect lots of swimming.

 

[Saturn94]

Using the SWCG to raise FC will shorten the cell life. You're better off manually adding chlorine if you need to raise FC (I use bleach) and just use the SWCG to maintain the target FC level.

I learned this the expensive way. My first cell which I used to raise FC/"super chlorinate" lasted 4 years. The second cell which I just used to maintain target FC level lasted 7 years (I just replaced it three weeks ago).

 

[bdex]

Using the SWCG to raise FC will shorten the cell life. You're better off manually adding chlorine if you need to raise FC (I use bleach) and just use the SWCG to maintain the target FC level.

I learned this the expensive way. My first cell which I used to raise FC/"super chlorinate" lasted 4 years. The second cell which I just used to maintain target FC level lasted 7 years (I just replaced it three weeks ago).

I am 1000% with you on this one.

I run my salt cell at 70-80% and supplement with LC if there is heavy use or the cover is going to be open for the sun to burn off chlorine. Both happen rarely and the 70% is enough to keep my FC where it needs to be. Using the super chlorinate will shorten the life of your cell.

Just make sure to pour into the pool in front of return. I would say you can use pool math just don't overshoot too far knowing that your SWG is still making chlorine.


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