Prior to contacting a pumper company, check with your local Jet distributor to see if they can refer you to a certified Jet Pumper. A certified Jet Pumper has been trained in the proper procedures to clean and pump your Jet system without damaging any of the components, potentially saving replacement costs if the internal media packs are damaged. If the local distributor cannot refer a certified pumper company make sure to schedule a routine service and cleaning at least one week before you pump out your tank to avoid damaging the internal media.