CO2-Proof Tubing (Black) CO2-Proof Tubing - Normal airline tubing can lose up to 20% of CO2 through its membrane. Silicone tubing reacts w/ CO2 and render it less efficient (thus the silicone hardening over time under CO2 usage)....
Dolphin One Star Air Pump:
Tank Size: 55 gal.
Number of outlets: 1
Adjustable Air Flow : w/ Rheostat
Power Consumption: 2.5W
Capacity: 150 liter/hour (2.5 PSI)
One star : Max CFM .09