Do they make a 3” tablet that has no cya stabilizer?

There are cal-hypo tablets. You need to have a special dispenser for them. Do not put them in an inline tablet chlorinator.

The cal-hypo ones dissolve pretty quickly and are known to leave behind a goo like substance.
 
A SaltWater Chlorine Generator. A great way to maintain your chlorine levels in a pool.
 
Not sure what you mean. You can install a SWCG on any pool. Add salt to 3000 ppm or so and of it generates.
 
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