Response to Phosphates come from several sources. If you use fertilizer on your lawn or if you use well water to fill the swimming pool, you are more likely to have a recurring phosphate issue. I would recommend using Phosfree on a monthly basis to keep the levels low.

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.