In addition to the water bottle, you will also need some kind of dish for your dog to drink out of when you get back to the truck. (easyretrievertraining.com)
Much like at bath - time, bubbles make a great addition to water play. (bounty.com)
He found major changes in baby coral caused by these chemical additions to the water, both during the lifetime of the organisms and beyond. (scientificamerican.com)