How Do I Test Magnesium Level On My Pool?
by James Gunter
Someone told me today that in could be magnesium level too high? Is that possible? How do I test magnesium level? Please help... Thanks for the question James An algae problem is normally due to a low chlorine level. I just answered a question in this post: Why Can't I Clear My Green/Blue Pool Water? These are very good as well: How To Clear Up A Green Pool In Woburn Green Pool (Algae) Re-Occurring..Pictures For the next part of your question: There are actually two names: Manganese and Magnesium. Manganese is one of the more difficult mineral pool problems. Many times it comes from well water. Manganese will show up as a brown-black stain or discoloration on the pool. It can be treated with a mineral treatment (chelating agent). In simple terms, the metals bind to the chelating agent and then are eliminated. The may sound like a metal sequestrant, but it's not, so be sure you're getting a chelating product. Magnesium is close to calcium but is much more soluble in a pool. While it does contribute to the total hardness of the water, it doesn't contribute to staining. If manganese is suspected, you can take a sample of your pool water to a local pool store for analysis. I believe some LaMotte Pool & Spa water testing products can also test for manganese. I hope this points you in the right direction. Have a fun and safe swimming season. Robert |
