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You are correct about those systems- definitely not recommended as
@Texas Splash pointed out.
Adequate free chlorine levels are all you need for a sanitary, clean, clear pool- not magic potions
The two TFP recommended methods of daily chlorination are manually dosing with liquid chlorine or using a salt water chlorine generator to dose the pool for you.
If you wish to go the salt water chlorine generator route you’ll want to get one that is rated for at least 2x’s your pool’s volume.
That size pool’s volume is roughly 13.5k gallons so a 30k gallon rated swg or larger would fit the bill.
A swg’s rating is based on it running at full power all the time. Using one that is rated the same as your pool volume could mean you may run shy if you have higher than normal bather load or high uv days as there’s no wiggle room. A larger cell will also last longer (in people years) because it doesn’t need to run as much so it will take longer to reach its 8-10k hour lifespan.
Perhaps they will give you a credit back for omitting the systems you mentioned. If not, then perhaps you can negotiate for some other pool stuffs that you know you will use like a solar cover or something. The place I got my pool from didn’t offer real swg’s, only the perma salt system, which is a copper ionizer disguised as a swg.
Since I declined it & their other offerings, they wouldn’t take $$ off but I was able to negotiate a set of wedding cake steps instead which I was already planning to buy.
No matter what chlorination method you choose you will need a proper test kit to start out on the right foot.
Test Kits Compared