Pond liner is a thick, waterproof foil used to line the bottom of ponds. Use it to line the floor of your grow room to create a waterproof floor in case of spillage or leaking.
Learn more about setting up a grow room:
- Build An Indoor Marijuana Grow Room
- Create The Best Climate For Marijuana Grow Room
- Growing Marijuana Safely
- How To Setup A Low Budget Grow Room?
More grow room definitions: