Confused Newbie needs CYA advice

[aylad]

Here's a way to test the concentration of your bleach...I copied this from CarlD, one of the other mods, that had posted it a long time ago...
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Put ten liters of tap water ( That's 5 soda-bottles full) in a 5 gallon bucket.

Test that water for chlorine using the FAS-DPD test to get a chlorine baseline (you may have some).

Then I take a 1 ml eyedropper full of the LC or bleach I'm testing and put it in the bucket and mix it up.

(1 ml in 10 liters of water is the same as putting 1 gallon of LC in a 10,000 gallon pool -- it's 1/10,000th. )

I then measure the bucket with the FAS-DPD test just like pool water. Of course, subtract any chlorine you measured in the tap water.

I use a glass eyedropper so it will hold up. Pharmacies sell them.

[dognostrils]

Thanks so much for this. I tried it out on several brands and it worked perfectly. The Aldi bleach was 3.5 ppm, same as when I tested the pool after adding it. Kroger bleach was exactly 6 ppm. I will definitely be doing this test on one bottle before I go buying 20 of them.