I use side lighting.
It's better than lighting from underneath.
When I looked up the Surnie light it says 10 Watt? Is it 10w or 100 Watt?
1300 - 400 lumens, let's say 1000 lumens.
That's only ~ 23 umols/s. You'd need 10x that to veg with.
Here's a Company that sells under canopy lighting...