I actually had both and open window and a fan so it wasn't bad for long. The only time I found the fumes to be strong are as I was spreading it out. Funny enough, after covering with coir they seem to disappear. A couple hours later no smell at all so I was happy. I used to be a house painter in the early 70's and these fumes are nothing compared to what we used!
I'm off to get more silicone today so look for an update tomorrow.
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