So you have this huge, powerful, not particularly sturdy hose sticking out of the middle of your yard. You decide that you need to stop it up, so you place the

So you have this huge, powerful, not particularly sturdy hose sticking out of the middle of your yard. You decide that you need to stop it up, so you place the top of a bird-bath over it, upside down. How well do you think that will work? The sea floor is not made of bedrock.