How much Chlorine is too much?

[aylad]

Man, you guys gotta learn to type faster!

[Dave S.]

Thank you (ALL) for the help. That's a great suggestion.

Great minds...!

[Watermom]

Imagine that -- we all three gave you exactly the same advice! Seriously, get a good test kit. It will pay for itself in no time.

[Dave S.]

I'll get a good kit. I promise. However, (just 'cause I'm paranoid!) 15ppm cl is safe for the vinyl liner, correct?

[CarlD]

Beat ya to it!!!

J

Dang!

[CarlD]

Imagine that -- we all three gave you exactly the same advice!

Yeah, we GOTTA be wrong!

Seriously, get a good test kit. It will pay for itself in no time.

Absolutely.

[Watermom]

With CYA of 30, chlorine of 15ppm should be fine. If you look in the chart above, cya of 30-50 we suggest 15. But, since you are in the lower end of that range and a little unsure about taking chlorine up to 15, why don't you try taking it up to 12 and keeping it there consistently for a few days. That may be high enough to take care of things. If you find that it isn't, you can always bump it up to 15 in a day or two if necessary.

[Dave S.]

With CYA of 30, chlorine of 15ppm should be fine. If you look in the chart above, cya of 30-50 we suggest 15. But, since you are in the lower end of that range and a little unsure about taking chlorine up to 15, why don't you try taking it up to 12 and keeping it there consistently. That may be high enough to take care of things. If you find that it isn't, you can always bump it up to 15 in a day or two if necessary.

Will do. Thanks!!

[Dave S.]

Okay, so I went ahead and shocked the heck out of it. Added 6 gallons of 10% chlorine...
4 hours later (or so), the pool is blue. Cloudy, but very blue. Not a trace of algae left.

Now, I just have to be patient while the filter does its job and clears up the water.

Thank you for all of your help!!

Dave

[Watermom]

Yep! That's right. Patience. And, keep testing it and redosing it with bleach back up to shock level until you can go through the night without losing more than 1 ppm of chlorine. Isn't it amazing what can happen when you get that cl level high enough? Keep your pump running. Good job.