wasp Posted May 14, 2006 Report Share Posted May 14, 2006 Just thought I'd post this for the information, a few days ago I fitted a baffle in the overflow using Siliflex RTV. I had to drain several inches of water, do the repair, and replace the water over the wet silicone, allowing it to cure under water. The next day I did a phosphate test and there was quite a jump in phosphate. The next day I tested again & back to normal. Not being a chemist I am not sure if there really was a jump in phosphate, or if some other chemical released by the silicone may have "fooled" the test and caused it to read higher. Quote Link to comment Share on other sites More sharing options...
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