That is why I mix my own water and would not use salt water collected around here :lol2:.
I would think there are a LOT MORE toxins coming out of the landfill than typical street storm drains. A diatom filter is not going to filter out toxins, only particles.
Yes that is true...But I haven't had any problems....Actually I noticed corals getting brighter (acros that is) this week...The fish don't seem to mind it...Maybe those toxins are like a natural zeo system...lol