I want to run a theory by everyone.

Last night, I put a small 1" Triclor tab into my skimmer and additionally had floated a 3" Trichlor tab (in a floater holder) in the path of my return flow.

Keep in mind that since my pool only has one skimmer and it is a direct pull to my pump/filter the draw is very strong.

Could the Trichlor tab in the skimmer disolved so rapidly due to the water flow that it created a 'High' chlorine level flow at the filter which in turn casued the metals to 'Fall out' and be pushed back into the pool at the return. And the fact that I also floated another tab in the return flow gave the metals in the return another chance to live as they entered the water?

Let me know what you think?