Hi all. So here's the update.
The Polypad has not changed color yet. The salifert Copper test kit didn't register any copper in the water. I'm fully aware that this kit will only register .05ppm's or up, but no color showed. My alkalinity however was high at 3.7 and my dKH at 10.6 . Do I need to lower that and how would I go about doing so?
All of my SPS's still look terrible, some better than others, but all are trying to extend polyps. I'm pretty sure I'm going to lose some, (maybe all) though. Everything else seems back to normal so at least thats a relief. Thanks to all for your help and advice. Merek