Do you measure your bleach?

I try to be fairly precise so I'm not adding any more than needed. I usually skip testing PH and Chlorine 2 or 3 times a week if the level of sunlight is lower for example.

Behind the jug you can see my way of getting a sample from about 20" without getting my hand wet. It's a 5 gallon stir stick taped to a water bottle.
 

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