One of my friend replacing their old hot bathtub/spa tub (6x6ft and 2-3ft deep) and asked me whether I can use it in the Garden. Suddenly a nice water garden or fish pond come to my imagination. I thinking to replace our small water pond with this hot tub. I just wonder any of you recycled hot bathtub (spa tub) for water garden? Any tips and suggestions are most welcome.

regards -Chandra