Someone else mentioned fish breeding, you said:
How urchin embryos react it it doesn't change that fact.
That touches on breeding as well as it goes alongside organism development. The tangents are parallel.
If you want evidence to contemplate, you seem intelligent enough to type in a few words on a search engine. If you do have issues finding data, then by all means explain that you're not good at finding data and I'll help.
Here's some queries to get started.
https://www.google.com/?gws_rd=ssl#q=lithium+affect+development+fish
https://www.google.com/?gws_rd=ssl#q=lithium+affect+development+urchin
https://www.google.com/?gws_rd=ssl#q=lithium+cellular+development
https://www.google.com/?gws_rd=ssl#q=marine+larvae+cellular+lithium
https://www.google.com/?gws_rd=ssl#q=fish+larvae+lithium
As you can see from various content within those queries, there is not ZERO interaction between lithium and organisms developing. Does that mean EVERYTHING is negatively affected by lithium? Of course not. You can even see the one research article that finds ZERO interaction on the development of a single species of fish. But if we only pay attention to what is learned through those articles, the numbers are in favor of negative effects. How many is affected and what the levels are, are in question. That ties into this subject because someone asks about "best salt mixes".
As far as this comment:
there is nothing to suggest past failed attempts have had anything to do with synthetic salt mixes.
Prove it. I'm not aware of any research that's looked into Tangs and lithium, but we certainly can't rule it for interaction. For every action, there is an equal and opposite reaction. Why? Because there's many things that go into breeding and the development of the organism.
What I'm talking about, is that the facts point towards interactions and many go far beyond simple statements such as some we've seen here saying, "there's nothing to worry about". Even in your reference to companies tricking people into dosing molyb and strontium. Uhh, you realize strontium is inherently in aragonite? There's even been research into the causality for doing so. Even one article considered the incorporation of strontium into the crystalline matrix as a launchpad for bio-composite substances. (look for the strontium thread, I was told there's no evidence to suggest that either, and then I stumbled across a group of phd's that were basically studying the tangents I thought was theoretical)
We know so little, don't assume so much.