Can i use this to create a background the great stuff pond and

Easiest way to create a 3D background for aquarium : r/Aquariums

Lakes, Ponds, and Reservoirs Missouri Department of Conservation

Great stuff / silicone background (DIY)

1. General Background

Best Things To Do In London – Your Ultimate Guide To London

vivariumworks

The Ultimate Guide To DIY Outdoor/Indoor Mini Fish Ponds

Worship Backgrounds - Where to Find Them & Why You Need Them

Great Stuff Spray Foam (12 oz)

DIY 3D background using Great Stuff

A rebel spirit and an artist's eye: Russell Page's landscape design