Hi guys,
I'm thinking into buying a fluval fx4. Right now I use CO2art 16/22mm inline diffuser. How do you inject CO2 with a 19/25 hose?
Are these cerges reactors ready made?
K, probably the 19/25 is the WC hose?An FX2/4/5/6 run a 25mm ID hose. Not 19mm.