IN: What happens next?

How to test for cyanuric acid 
Make sure your state allows cyanuric acid. 
Every state has different laws and different levels they allow, from 30 ppm as the maximum to 100 ppm as the maximum. It's essential you know what you are testing for, depending on your location.

OUT: Understand the benefit of cyanuric acid. In the right amounts, cyanuric acid protects the chlorine in a pool from ultraviolet sunlight, thereby reducing the amount of chlorine lost over time.

IN: What happens next?

How to convince your parents 
Determine what you want and why. 
Many parents are incredibly patient. Others are not patient at all.

OUT: If you want to ask for something, know exactly what that something is. If you fumble over your words, your parent might grow impatient, which will reduce your chances of success.

IN: What happens next?

A man is holding onto a bar as he is standing on a water ski. he

OUT:
is being pulled through the water by a motor boat.