Here are items that can be used with low power, low PSI airlift pumps made from PVC pipe.
Click to buy at Amazon.com
GH2716 Dual Diaphragm Air Pump with 4 Outlets
(Rebuildable air pump with good output. Designed for long term hydroponics use)
Marine Metal Power Bubbles 12-volt Air Pump
(Reliable, affordable 12 volt “off-grid” air pump)
