Let's say your dry hydrant just sits there after it is done, and hopefully you never have to use it. Once in a while it will require a backflush.
You should have a seperate set up for your fish cleaning, washdown and ag needs. Your water volume and psi requirements should determine your pump. There are charts all over the internet where you plug in values and a pump is recommended for you. There are other considerations, such as priming, head, submersible, power. Don't let it intimidate you because you don't know the first thing about it. Once you start to learn it you will say this is a breeze.
