DE Filter Problem..DE Coming Back Into The Pool..
by Barry Wilkens
Do I have some kind of internal leak letting unfiltered water past the filter elements? Thanks for the question Barry This is a problem with many DE filters. Although they filter the best, I think they're the most troublesome. Look at the manifold at the top of the grid assembly. Check for cracks or for grids that aren't fully seated into it. Look at the air vent/relief strainer. This should be on top of the manifold. This part is often a source for DE going through the filter. Some other reasons are: Torn filter grids - Remember to check the end of the grid. Broken manifold Broken and/or missing air relief strainer Broken filter necks - Normally if the grid neck can be squeezed together, then it won't fit into the manifold. You won't have a good fit and the DE will pass right through. Bad backwash valve - You may need to disassemble and inspect the valve. Here are some other links to questions about this DE problem: Purex Filter With Unicel DE Grids..DE Keeps Coming Back Into The Pool.. We Are Getting Chunks Of DE In Filter Basket... Several Tears In The Filter Panels Of My DE Filter..Loss Of Suction.. DE pool filters are pretty straight forward. The above links have good information along with DIY instructions and diagrams that you might need. Good luck with your pool and have a fun and safe swimming season. Robert |
