Fig Tree Replanting

I couldn't see the product he was using ..Is he saying sea salt?

Seasol, I think

You have good ears thanks.. I looked it up and maxicrop liquid seaweed came up.

Pretty cool.  He seemed to add a ton of seasol.  The application guide lists 30ml (2TBS) for transplants and 100ml (less than half cup) for large trees per 9 L (~2.5 gal) of water.  

Their website has a nice comparison video of rooting what looks like tomato cuttings in water and a seasol solution.    http://www.seasol.com.au/

I wonder if it would work well with rooting fig cuttings in seasol/water.  Looks like it is just a kelp concentrate.  I wonder if any kelp concentrate would be comparable.