Quote Originally Posted by deranged chipmunk View Post
Duh, missed that. Excellent point. I would think that "trace" elements aren't an issue, otherwise there would have been a huge thing about it on dendroboard. And most of the people I know from there still use ge2. Luckily, I don't use silicone in any of my tanks.
One main difference I read on dendroboard is that plants will root to GE silicone 1 but won't root to silicone 2, so that alone makes it sound like silicone 1 is a better option.