I recently purchased a tank from a friend of a friend to help them out of a jam. It is a 150 gallon tank that was a saltwater setup,but I decided to go freshwater for many reasons mostly because of a busy schedule right now and because I have no idea of what I'm doing. The filter is a wet/dry trickle system and I have no idea how to set it up. I am also wondering if I can use the same system or if it is worthless to me due to the fact that it has already been used for saltwater. I cleaned the tank,filters,pumps and bio matter thouroughly. I am having a problem figuring out how to get tyhe water into the filter to be cleaned and cycled back up. The pump that is in below the bio matter pumps so quick that the entire container dries up. HELP PLEASE. I am more concerned if I can use the same set up and what steps I should do to have a successful tank.