Response to Hi, Earl. There is no trick, you just turn the know to increase or decrease the chlorine output. If the knob is stuck you may have to take it apart to see what is wrong or replace the knob.
An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.
Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides.
This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.