Join Date: Jun 2014
Location: Cape Coral, Florida
The pool test kits are not really accurate enough, as mentioned your nose is much better.
We lived for many years on a farm with water, so I did this several times as wells changed. "Shock" in this case refers more to the fact they used pool chlorine than that they necessarily added a really high level (though they might have). Pool chlorine is a couple times as concentrated as for household use (and often cheaper to buy it that way, by the way, if you use a lot!).
How dilute it becomes differs widely depending on the type of well, depth of water column, and how open the base is to the aquifer (e.g. is there any flow out into the aquifer). In other words, there's no good guidance you can follow for time other than "until it's gone". Our shallow well seemed to take several days, the deeper well's smell was gone by the next morning.
But most people's nose is fairly sensitive, if you take a shower and it doesn't smell a bit like a pool, you are likely golden. But PRIME (or similar) will take care of it regardless if in doubt, and for a couple weeks cannot hurt.
Latest tank build:
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