AfterDark
Contributor
More dive travel to NE would reduce the overall stress put on the coral reefs, just saying..sacrafices must be made how much do you want to give?
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It would be pretty easy to figure out if it does kill it. Set up a bioassay and see. Try many brands with different species of coral as there probably is some variation in toxicity and tolerance.
But if you are going to do something like that, you need to make sure you properly proportion the sunscreen to the amount of water based on the size of the ocean and your sample size.
I'm willing to bet poor buoyancy is going to kill more coral than sunscreen.
It would be pretty easy to figure out if it does kill it. Set up a bioassay and see. Try many brands with different species of coral as there probably is some variation in toxicity and tolerance.