Check valve problem
I am not able to get my pump to prime. The pond is 8 years old and I decided to redo all the pipes this year. Anyway, this is not because of the new pipes. When I fill the pot with water, it wouldn't not fill. I think I have a problem with the check valve. My check valve is buried close to the bottom of the pond. I think it doesn't close properly. I noticed there are a lot of snails in all the pipes, and this could prevent the check valve from closing. The last thing I want to do is to dig up the check valve sine there are a few trees in the area and it would be a big task.
I have a Performance Pro pump and had them did a tune-up on it last week so that should be good. I would like to know if anybody has suggestions on how to clean the check valve or how to get this thing primed. I read one of the suggestions by mike_il, and thought that was interesting. To clean the check valve, I was thinking about getting a garden hose and push it down the pipe. Using a power-wash would be too much and can damage the pipes.